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Complete Measurement of the Λ Electromagnetic Form Factors.
Phys Rev Lett 2019; 123(12):122003PR

Abstract

The exclusive process e^{+}e^{-}→ΛΛ[over ¯], with Λ→pπ^{-} and Λ[over ¯]→p[over ¯]π^{+}, has been studied at sqrt[s]=2.396 GeV for measurement of the timelike Λ electric and magnetic form factors, G_{E} and G_{M}. A data sample, corresponding to an integrated luminosity of 66.9 pb^{-1}, was collected with the BESIII detector for this purpose. A multidimensional analysis with a complete decomposition of the spin structure of the reaction enables a determination of the modulus of the ratio R=|G_{E}/G_{M}| and, for the first time for any baryon, the relative phase ΔΦ=Φ_{E}-Φ_{M}. The resulting values are R=0.96±0.14(stat)±0.02(syst) and ΔΦ=37°±12°(stat)±6°(syst), respectively. These are obtained using the recently established and most precise value of the asymmetry parameter α_{Λ}=0.750±0.010 measured by BESIII. In addition, the cross section is measured with unprecedented precision to be σ=118.7±5.3(stat)±5.1(syst) pb, which corresponds to an effective form factor of |G|=0.123±0.003(stat)±0.003(syst). The contribution from two-photon exchange is found to be negligible. Our result enables the first complete determination of baryon timelike electromagnetic form factors.

Authors+Show Affiliations

Institute of High Energy Physics, Beijing 100049, People's Republic of China.G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Bochum Ruhr-University, D-44780 Bochum, Germany.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.Institute of High Energy Physics, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Southeast University, Nanjing 211100, People's Republic of China.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy.Peking University, Beijing 100871, People's Republic of China.Institute of Physics and Technology, Peace Avenue 54B, Ulaanbaatar 13330, Mongolia.Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy.INFN Sezione di Ferrara, I-44122 Ferrara, Italy.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.Wuhan University, Wuhan 430072, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Istanbul Bilgi University, 34060 Eyup, Istanbul, Turkey.INFN, I-10125 Turin, Italy.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.Central China Normal University, Wuhan 430079, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.INFN, I-10125 Turin, Italy.INFN Sezione di Ferrara, I-44122 Ferrara, Italy.INFN, I-10125 Turin, Italy.Nankai University, Tianjin 300071, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.Liaoning University, Shenyang 110036, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.Zhengzhou University, Zhengzhou 450001, People's Republic of China.Tsinghua University, Beijing 100084, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.INFN Sezione di Ferrara, I-44122 Ferrara, Italy. University of Ferrara, I-44122 Ferrara, Italy.University of Eastern Piedmont, I-15121 Alessandria, Italy. INFN, I-10125 Turin, Italy.Bochum Ruhr-University, D-44780 Bochum, Germany.INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Bochum Ruhr-University, D-44780 Bochum, Germany.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.University of South China, Hengyang 421001, People's Republic of China.Tsinghua University, Beijing 100084, People's Republic of China.Central China Normal University, Wuhan 430079, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.INFN Sezione di Ferrara, I-44122 Ferrara, Italy.University of Manchester, Oxford Road, Manchester M13 9PL, United Kingdom.University of Minnesota, Minneapolis, Minnesota 55455, USA.GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.Nankai University, Tianjin 300071, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.Nanjing University, Nanjing 210093, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Beihang University, Beijing 100191, People's Republic of China.Guangxi University, Nanning 530004, People's Republic of China.Indiana University, Bloomington, Indiana 47405, USA.Nanjing Normal University, Nanjing 210023, People's Republic of China.Shandong Normal University, Jinan 250014, People's Republic of China.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.Wuhan University, Wuhan 430072, People's Republic of China.Henan Normal University, Xinxiang 453007, People's Republic of China.University of Hawaii, Honolulu, Hawaii 96822, USA.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Bochum Ruhr-University, D-44780 Bochum, Germany.Bochum Ruhr-University, D-44780 Bochum, Germany.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Henan Normal University, Xinxiang 453007, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.University of the Punjab, Lahore-54590, Pakistan.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.Indiana University, Bloomington, Indiana 47405, USA.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Henan Normal University, Xinxiang 453007, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Huangshan College, Huangshan 245000, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.University of Jinan, Jinan 250022, People's Republic of China.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.KVI-CART, University of Groningen, NL-9747 AA Groningen, Netherlands.Liaoning University, Shenyang 110036, People's Republic of China.KVI-CART, University of Groningen, NL-9747 AA Groningen, Netherlands.KVI-CART, University of Groningen, NL-9747 AA Groningen, Netherlands.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Bochum Ruhr-University, D-44780 Bochum, Germany.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Institute of High Energy Physics, Beijing 100049, People's Republic of China.GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.Istanbul Bilgi University, 34060 Eyup, Istanbul, Turkey.Bochum Ruhr-University, D-44780 Bochum, Germany.Bochum Ruhr-University, D-44780 Bochum, Germany.Bochum Ruhr-University, D-44780 Bochum, Germany.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.INFN, I-10125 Turin, Italy.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Zhengzhou University, Zhengzhou 450001, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Peking University, Beijing 100871, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Fudan University, Shanghai 200443, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Soochow University, Suzhou 215006, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Lanzhou University, Lanzhou 730000, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Sichuan University, Chengdu 610064, People's Republic of China.Justus-Liebig-Universitaet Giessen, II. Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.Guangxi Normal University, Guilin 541004, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Indian Institute of Technology Madras, Chennai 600036, India.Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Guangxi University, Nanning 530004, People's Republic of China.Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.Shanxi University, Taiyuan 030006, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Central China Normal University, Wuhan 430079, People's Republic of China.Guangxi University, Nanning 530004, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Henan University of Science and Technology, Luoyang 471003, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Liaoning University, Shenyang 110036, People's Republic of China.Central China Normal University, Wuhan 430079, People's Republic of China.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Lanzhou University, Lanzhou 730000, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Peking University, Beijing 100871, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Huangshan College, Huangshan 245000, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Nanjing Normal University, Nanjing 210023, People's Republic of China.Zhejiang University, Hangzhou 310027, People's Republic of China.Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.Fudan University, Shanghai 200443, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.INFN, I-10125 Turin, Italy.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Liaoning University, Shenyang 110036, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.University of Oxford, Keble Rd, Oxford OX13RH, United Kingdom.University of the Punjab, Lahore-54590, Pakistan.INFN and University of Perugia, I-06100 Perugia, Italy.Peking University, Beijing 100871, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.University of Jinan, Jinan 250022, People's Republic of China.KVI-CART, University of Groningen, NL-9747 AA Groningen, Netherlands.INFN Sezione di Ferrara, I-44122 Ferrara, Italy.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.Indiana University, Bloomington, Indiana 47405, USA.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Central China Normal University, Wuhan 430079, People's Republic of China.Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.University of Minnesota, Minneapolis, Minnesota 55455, USA.Bochum Ruhr-University, D-44780 Bochum, Germany.GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.G.I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.COMSATS University Islamabad, Lahore Campus, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.INFN and University of Perugia, I-06100 Perugia, Italy.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.INFN Laboratori Nazionali di Frascati, I-00044 Frascati, Italy.Bochum Ruhr-University, D-44780 Bochum, Germany.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.Nanjing Normal University, Nanjing 210023, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Bochum Ruhr-University, D-44780 Bochum, Germany.University of Minnesota, Minneapolis, Minnesota 55455, USA.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.Beihang University, Beijing 100191, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Wuhan University, Wuhan 430072, People's Republic of China.Guangxi University, Nanning 530004, People's Republic of China.Bochum Ruhr-University, D-44780 Bochum, Germany.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.University of the Punjab, Lahore-54590, Pakistan.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Bochum Ruhr-University, D-44780 Bochum, Germany.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.INFN, I-10125 Turin, Italy.KVI-CART, University of Groningen, NL-9747 AA Groningen, Netherlands.INFN, I-10125 Turin, Italy.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Helmholtz Institute Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.University of Ferrara, I-44122 Ferrara, Italy.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.Hunan Normal University, Changsha 410081, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Beihang University, Beijing 100191, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.Bochum Ruhr-University, D-44780 Bochum, Germany.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.Shandong University, Jinan 250100, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Henan Normal University, Xinxiang 453007, People's Republic of China.Wuhan University, Wuhan 430072, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Sichuan University, Chengdu 610064, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.Institute of Physics and Technology, Peace Avenue 54B, Ulaanbaatar 13330, Mongolia.Near East University, Nicosia, North Cyprus, Mersin 10, Turkey.Institute of High Energy Physics, Beijing 100049, People's Republic of China.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.Peking University, Beijing 100871, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.Peking University, Beijing 100871, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Xinyang Normal University, Xinyang 464000, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Peking University, Beijing 100871, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Fudan University, Shanghai 200443, People's Republic of China.Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Bochum Ruhr-University, D-44780 Bochum, Germany.Guangxi Normal University, Guilin 541004, People's Republic of China.Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.Nanjing Normal University, Nanjing 210023, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Bochum Ruhr-University, D-44780 Bochum, Germany.University of Oxford, Keble Rd, Oxford OX13RH, United Kingdom.Uppsala University, Box 516, SE-75120 Uppsala, Sweden.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Hunan University, Changsha 410082, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nanjing Normal University, Nanjing 210023, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Central China Normal University, Wuhan 430079, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Hangzhou Normal University, Hangzhou 310036, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Soochow University, Suzhou 215006, People's Republic of China.University of South China, Hengyang 421001, People's Republic of China.University of Turin, I-10125, Turin, Italy. INFN, I-10125 Turin, Italy.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Beihang University, Beijing 100191, People's Republic of China.Hunan University, Changsha 410082, People's Republic of China.Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Wuhan University, Wuhan 430072, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.Guangxi Normal University, Guilin 541004, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Hunan University, Changsha 410082, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.China Center of Advanced Science and Technology, Beijing 100190, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Hunan University, Changsha 410082, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Peking University, Beijing 100871, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Istanbul Bilgi University, 34060 Eyup, Istanbul, Turkey.University of the Punjab, Lahore-54590, Pakistan.Hunan University, Changsha 410082, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Xinyang Normal University, Xinyang 464000, People's Republic of China.Bochum Ruhr-University, D-44780 Bochum, Germany.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Tsinghua University, Beijing 100084, People's Republic of China.Nanjing University, Nanjing 210093, People's Republic of China.Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.Shandong University, Jinan 250100, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Fudan University, Shanghai 200443, People's Republic of China.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Central China Normal University, Wuhan 430079, People's Republic of China.University of Science and Technology of China, Hefei 230026, People's Republic of China.Wuhan University, Wuhan 430072, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Zhengzhou University, Zhengzhou 450001, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Joint Institute for Nuclear Research, 141980 Dubna, Moscow region, Russia.University of South China, Hengyang 421001, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Peking University, Beijing 100871, People's Republic of China.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nanjing Normal University, Nanjing 210023, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Wuhan University, Wuhan 430072, People's Republic of China.University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Hunan University, Changsha 410082, People's Republic of China.Hunan University, Changsha 410082, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.University of Science and Technology Liaoning, Anshan 114051, People's Republic of China.Nankai University, Tianjin 300071, People's Republic of China.Tsinghua University, Beijing 100084, People's Republic of China.State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China. University of Science and Technology of China, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China. State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.Institute of High Energy Physics, Beijing 100049, People's Republic of China.No affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

31633986

Citation

Ablikim, M, et al. "Complete Measurement of the Λ Electromagnetic Form Factors." Physical Review Letters, vol. 123, no. 12, 2019, p. 122003.
Ablikim M, Achasov MN, Adlarson P, et al. Complete Measurement of the Λ Electromagnetic Form Factors. Phys Rev Lett. 2019;123(12):122003.
Ablikim, M., Achasov, M. N., Adlarson, P., Ahmed, S., Albrecht, M., Alekseev, M., ... Zou, J. H. (2019). Complete Measurement of the Λ Electromagnetic Form Factors. Physical Review Letters, 123(12), p. 122003. doi:10.1103/PhysRevLett.123.122003.
Ablikim M, et al. Complete Measurement of the Λ Electromagnetic Form Factors. Phys Rev Lett. 2019 Sep 20;123(12):122003. PubMed PMID: 31633986.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Complete Measurement of the Λ Electromagnetic Form Factors. AU - Ablikim,M, AU - Achasov,M N, AU - Adlarson,P, AU - Ahmed,S, AU - Albrecht,M, AU - Alekseev,M, AU - Amoroso,A, AU - An,F F, AU - An,Q, AU - Bai,Y, AU - Bakina,O, AU - Baldini Ferroli,R, AU - Ban,Y, AU - Begzsuren,K, AU - Bennett,J V, AU - Berger,N, AU - Bertani,M, AU - Bettoni,D, AU - Bianchi,F, AU - Biernat,J, AU - Bloms,J, AU - Boyko,I, AU - Briere,R A, AU - Cai,H, AU - Cai,X, AU - Calcaterra,A, AU - Cao,G F, AU - Cao,N, AU - Cetin,S A, AU - Chai,J, AU - Chang,J F, AU - Chang,W L, AU - Chelkov,G, AU - Chen,D Y, AU - Chen,G, AU - Chen,H S, AU - Chen,J C, AU - Chen,M L, AU - Chen,S J, AU - Chen,Y B, AU - Cheng,W, AU - Cibinetto,G, AU - Cossio,F, AU - Cui,X F, AU - Dai,H L, AU - Dai,J P, AU - Dai,X C, AU - Dbeyssi,A, AU - Dedovich,D, AU - Deng,Z Y, AU - Denig,A, AU - Denysenko,I, AU - Destefanis,M, AU - De Mori,F, AU - Ding,Y, AU - Dong,C, AU - Dong,J, AU - Dong,L Y, AU - Dong,M Y, AU - Dou,Z L, AU - Du,S X, AU - Fan,J Z, AU - Fang,J, AU - Fang,S S, AU - Fang,Y, AU - Farinelli,R, AU - Fava,L, AU - Feldbauer,F, AU - Felici,G, AU - Feng,C Q, AU - Fritsch,M, AU - Fu,C D, AU - Fu,Y, AU - Gao,Q, AU - Gao,X L, AU - Gao,Y, AU - Gao,Y, AU - Gao,Y G, AU - Gao,Z, AU - Garillon,B, AU - Garzia,I, AU - Gersabeck,E M, AU - Gilman,A, AU - Goetzen,K, AU - Gong,L, AU - Gong,W X, AU - Gradl,W, AU - Greco,M, AU - Gu,L M, AU - Gu,M H, AU - Gu,S, AU - Gu,Y T, AU - Guo,A Q, AU - Guo,L B, AU - Guo,R P, AU - Guo,Y P, AU - Guskov,A, AU - Han,S, AU - Hao,X Q, AU - Harris,F A, AU - He,K L, AU - Heinsius,F H, AU - Held,T, AU - Heng,Y K, AU - Hou,Y R, AU - Hou,Z L, AU - Hu,H M, AU - Hu,J F, AU - Hu,T, AU - Hu,Y, AU - Huang,G S, AU - Huang,J S, AU - Huang,X T, AU - Huang,X Z, AU - Huesken,N, AU - Hussain,T, AU - Ikegami Andersson,W, AU - Imoehl,W, AU - Irshad,M, AU - Ji,Q, AU - Ji,Q P, AU - Ji,X B, AU - Ji,X L, AU - Jiang,H L, AU - Jiang,X S, AU - Jiang,X Y, AU - Jiao,J B, AU - Jiao,Z, AU - Jin,D P, AU - Jin,S, AU - Jin,Y, AU - Johansson,T, AU - Kalantar-Nayestanaki,N, AU - Kang,X S, AU - Kappert,R, AU - Kavatsyuk,M, AU - Ke,B C, AU - Keshk,I K, AU - Khan,T, AU - Khoukaz,A, AU - Kiese,P, AU - Kiuchi,R, AU - Kliemt,R, AU - Koch,L, AU - Kolcu,O B, AU - Kopf,B, AU - Kuemmel,M, AU - Kuessner,M, AU - Kupsc,A, AU - Kurth,M, AU - Kurth,M G, AU - Kühn,W, AU - Lange,J S, AU - Larin,P, AU - Lavezzi,L, AU - Leithoff,H, AU - Lenz,T, AU - Li,C, AU - Li,Cheng, AU - Li,D M, AU - Li,F, AU - Li,F Y, AU - Li,G, AU - Li,H B, AU - Li,H J, AU - Li,J C, AU - Li,J W, AU - Li,Ke, AU - Li,L K, AU - Li,Lei, AU - Li,P L, AU - Li,P R, AU - Li,Q Y, AU - Li,W D, AU - Li,W G, AU - Li,X H, AU - Li,X L, AU - Li,X N, AU - Li,X Q, AU - Li,Z B, AU - Li,Z Y, AU - Liang,H, AU - Liang,H, AU - Liang,Y F, AU - Liang,Y T, AU - Liao,G R, AU - Liao,L Z, AU - Libby,J, AU - Lin,C X, AU - Lin,D X, AU - Lin,Y J, AU - Liu,B, AU - Liu,B J, AU - Liu,C X, AU - Liu,D, AU - Liu,D Y, AU - Liu,F H, AU - Liu,Fang, AU - Liu,Feng, AU - Liu,H B, AU - Liu,H M, AU - Liu,Huanhuan, AU - Liu,Huihui, AU - Liu,J B, AU - Liu,J Y, AU - Liu,K Y, AU - Liu,Ke, AU - 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Zhang,B Y, AU - Zhang,C C, AU - Zhang,D H, AU - Zhang,H H, AU - Zhang,H Y, AU - Zhang,J, AU - Zhang,J L, AU - Zhang,J Q, AU - Zhang,J W, AU - Zhang,J Y, AU - Zhang,J Z, AU - Zhang,K, AU - Zhang,L, AU - Zhang,S F, AU - Zhang,T J, AU - Zhang,X Y, AU - Zhang,Y, AU - Zhang,Y H, AU - Zhang,Y T, AU - Zhang,Yang, AU - Zhang,Yao, AU - Zhang,Yi, AU - Zhang,Yu, AU - Zhang,Z H, AU - Zhang,Z P, AU - Zhang,Z Y, AU - Zhao,G, AU - Zhao,J W, AU - Zhao,J Y, AU - Zhao,J Z, AU - Zhao,Lei, AU - Zhao,Ling, AU - Zhao,M G, AU - Zhao,Q, AU - Zhao,S J, AU - Zhao,T C, AU - Zhao,Y B, AU - Zhao,Z G, AU - Zhemchugov,A, AU - Zheng,B, AU - Zheng,J P, AU - Zheng,Y, AU - Zheng,Y H, AU - Zhong,B, AU - Zhou,L, AU - Zhou,L P, AU - Zhou,Q, AU - Zhou,X, AU - Zhou,X K, AU - Zhou,X R, AU - Zhou,Xiaoyu, AU - Zhou,Xu, AU - Zhu,A N, AU - Zhu,J, AU - Zhu,J, AU - Zhu,K, AU - Zhu,K J, AU - Zhu,S H, AU - Zhu,W J, AU - Zhu,X L, AU - Zhu,Y C, AU - Zhu,Y S, AU - Zhu,Z A, AU - Zhuang,J, AU - Zou,B S, AU - Zou,J H, AU - ,, PY - 2019/06/26/revised PY - 2019/03/25/received PY - 2019/10/22/entrez PY - 2019/10/22/pubmed PY - 2019/10/22/medline SP - 122003 EP - 122003 JF - Physical review letters JO - Phys. Rev. Lett. VL - 123 IS - 12 N2 - The exclusive process e^{+}e^{-}→ΛΛ[over ¯], with Λ→pπ^{-} and Λ[over ¯]→p[over ¯]π^{+}, has been studied at sqrt[s]=2.396 GeV for measurement of the timelike Λ electric and magnetic form factors, G_{E} and G_{M}. A data sample, corresponding to an integrated luminosity of 66.9 pb^{-1}, was collected with the BESIII detector for this purpose. A multidimensional analysis with a complete decomposition of the spin structure of the reaction enables a determination of the modulus of the ratio R=|G_{E}/G_{M}| and, for the first time for any baryon, the relative phase ΔΦ=Φ_{E}-Φ_{M}. The resulting values are R=0.96±0.14(stat)±0.02(syst) and ΔΦ=37°±12°(stat)±6°(syst), respectively. These are obtained using the recently established and most precise value of the asymmetry parameter α_{Λ}=0.750±0.010 measured by BESIII. In addition, the cross section is measured with unprecedented precision to be σ=118.7±5.3(stat)±5.1(syst) pb, which corresponds to an effective form factor of |G|=0.123±0.003(stat)±0.003(syst). The contribution from two-photon exchange is found to be negligible. Our result enables the first complete determination of baryon timelike electromagnetic form factors. SN - 1079-7114 UR - https://www.unboundmedicine.com/medline/citation/31633986/Complete_Measurement_of_the_Λ_Electromagnetic_Form_Factors L2 - http://link.aps.org/abstract/PRL/v123/p122003 DB - PRIME DP - Unbound Medicine ER -