Measurement of the Cross Section for e^{+}e^{-}→Hadrons at Energies from 2.2324 to 3.6710 GeV

M Ablikim¹, M N Achasov², P Adlarson³, S Ahmed⁴, M Albrecht⁵, R Aliberti⁶, A Amoroso^{7

8}, M R An⁹, Q An^{10

11}, X H Bai¹², Y Bai¹³, O Bakina¹⁴, R Baldini Ferroli¹⁵, I Balossino¹⁶, Y Ban¹⁷, K Begzsuren¹⁸, N Berger⁶, M Bertani¹⁵, D Bettoni¹⁶, F Bianchi^{7

8}, J Bloms¹⁹, A Bortone^{7

8}, I Boyko¹⁴, R A Briere²⁰, H Cai²¹, X Cai^{1

10}, A Calcaterra¹⁵, G F Cao^{1

22}, N Cao^{1

22}, S A Cetin²³, J F Chang^{1

10}, W L Chang^{1

22}, G Chelkov¹⁴, D Y Chen²⁴, G Chen¹, H S Chen^{1

22}, M L Chen^{1

10}, S J Chen²⁵, X R Chen²⁶, Y B Chen^{1

10}, Z J Chen²⁷, W S Cheng⁸, G Cibinetto¹⁶, F Cossio⁸, X F Cui²⁸, H L Dai^{1

10}, X C Dai^{1

22}, A Dbeyssi⁴, R E de Boer⁵, D Dedovich¹⁴, Z Y Deng¹, A Denig⁶, I Denysenko¹⁴, M Destefanis^{7

8}, F De Mori^{7

8}, Y Ding²⁹, C Dong²⁸, J Dong^{1

10}, L Y Dong^{1

22}, M Y Dong^{1

10

22}, X Dong²¹, S X Du³⁰, Y L Fan²¹, J Fang^{1

10}, S S Fang^{1

22}, Y Fang¹, R Farinelli¹⁶, L Fava^{31

8}, F Feldbauer⁵, G Felici¹⁵, C Q Feng^{10

11}, J H Feng³², M Fritsch⁵, C D Fu¹, Y Gao^{10

11}, Y Gao¹⁷, Y G Gao²⁴, I Garzia^{16

33}, P T Ge²¹, C Geng³², E M Gersabeck³⁴, A Gilman³⁵, K Goetzen³⁶, L Gong²⁹, W X Gong^{1

10}, W Gradl⁶, M Greco^{7

8}, L M Gu²⁵, M H Gu^{1

10}, C Y Guan^{1

22}, A Q Guo³⁷, L B Guo³⁸, R P Guo³⁹, Y P Guo⁴⁰, A Guskov¹⁴, T T Han⁴¹, W Y Han⁹, X Q Hao⁴², F A Harris⁴³, K L He^{1

22}, F H Heinsius⁵, C H Heinz⁶, Y K Heng^{1

10

22}, C Herold⁴⁴, M Himmelreich³⁶, T Holtmann⁵, G Y Hou^{1

22}, Y R Hou²², Z L Hou¹, H M Hu^{1

22}, J F Hu⁴⁵, T Hu^{1

10

22}, Y Hu¹, G S Huang^{10

11}, L Q Huang⁴⁶, X T Huang⁴¹, Y P Huang¹, Z Huang¹⁷, T Hussain⁴⁷, N Hüsken^{37

6}, W Ikegami Andersson³, W Imoehl³⁷, M Irshad^{10

11}, S Jaeger⁵, S Janchiv¹⁸, Q Ji¹, Q P Ji⁴², X B Ji^{1

22}, X L Ji^{1

10}, Y Y Ji⁴¹, H B Jiang⁴¹, X S Jiang^{1

10

22}, J B Jiao⁴¹, Z Jiao⁴⁸, S Jin²⁵, Y Jin¹², M Q Jing^{1

22}, T Johansson³, N Kalantar-Nayestanaki⁴⁹, X S Kang²⁹, R Kappert⁴⁹, M Kavatsyuk⁴⁹, B C Ke^{1

50}, I K Keshk⁵, A Khoukaz¹⁹, P Kiese⁶, R Kiuchi¹, R Kliemt³⁶, L Koch⁵¹, O B Kolcu²³, B Kopf⁵, M Kuemmel⁵, M Kuessner⁵, A Kupsc³, M G Kurth^{1

22}, W Kühn⁵¹, J J Lane³⁴, J S Lange⁵¹, P Larin⁴, A Lavania⁵², L Lavezzi^{7

8}, Z H Lei^{10

11}, H Leithoff⁶, M Lellmann⁶, T Lenz⁶, C Li⁵³, C H Li⁹, Cheng Li^{10

11}, D M Li³⁰, F Li^{1

10}, G Li¹, H Li^{10

11}, H Li⁵⁰, H B Li^{1

22}, H J Li⁴², H N Li⁴⁵, J L Li⁴¹, J Q Li⁵, J S Li³², Ke Li¹, L K Li¹, Lei Li⁵⁴, P R Li⁵⁵, S Y Li⁵⁶, W D Li^{1

22}, W G Li¹, X H Li^{10

11}, X L Li⁴¹, Xiaoyu Li^{1

22}, Z Y Li³², H Liang^{10

11}, H Liang^{1

22}, H Liang⁵⁷, Y F Liang⁵⁸, Y T Liang²⁶, G R Liao⁵⁹, L Z Liao^{1

22}, J Libby⁵², C X Lin³², T Lin¹, B J Liu¹, C X Liu¹, D Liu^{4

11}, F H Liu⁶⁰, Fang Liu¹, Feng Liu²⁴, G M Liu⁴⁵, H M Liu^{1

22}, Huanhuan Liu¹, Huihui Liu⁶¹, J B Liu^{10

11}, J L Liu⁴⁶, J Y Liu^{1

22}, K Liu¹, K Y Liu²⁹, L Liu^{10

11}, M H Liu⁴⁰, P L Liu¹, Q Liu²¹, Q Liu²², S B Liu^{10

11}, T Liu^{1

22}, W M Liu^{10

11}, X Liu⁵⁵, Y Liu⁵⁵, Y B Liu²⁸, Z A Liu^{1

10

22}, Z Q Liu⁴¹, X C Lou^{1

10

22}, F X Lu³², H J Lu⁴⁸, J D Lu^{1

22}, J G Lu^{1

10}, X L Lu¹, Y Lu¹, Y P Lu^{1

10}, C L Luo³⁸, M X Luo⁶², P W Luo³², T Luo⁴⁰, X L Luo^{1

10}, X R Lyu²², F C Ma²⁹, H L Ma¹, L L Ma⁴¹, M M Ma^{1

22}, Q M Ma¹, R Q Ma^{1

22}, R T Ma²², X X Ma^{1

22}, X Y Ma^{1

10}, F E Maas⁴, M Maggiora^{7

8}, S Maldaner⁵, S Malde³⁵, Q A Malik⁴⁷, A Mangoni⁶³, Y J Mao¹⁷, Z P Mao¹, S Marcello^{7

8}, Z X Meng¹², J G Messchendorp⁴⁹, G Mezzadri¹⁶, T J Min²⁵, R E Mitchell³⁷, X H Mo^{1

10

22}, N Yu Muchnoi², H Muramatsu⁶⁴, S Nakhoul³⁶, Y Nefedov¹⁴, F Nerling³⁶, I B Nikolaev², Z Ning^{1

10}, S Nisar⁶⁵, Q Ouyang^{1

10

22}, S Pacetti^{63

66}, X Pan⁴⁰, Y Pan³⁴, A Pathak¹, A Pathak⁵⁷, P Patteri¹⁵, M Pelizaeus⁵, H P Peng^{10

11}, K Peters³⁶, J Pettersson³, J L Ping³⁸, R G Ping^{1

22}, S Pogodin¹⁴, R Poling⁶⁴, V Prasad^{10

11}, H Qi^{10

11}, H R Qi⁵⁶, M Qi²⁵, T Y Qi⁴⁰, S Qian^{1

10}, W B Qian²², Z Qian³², C F Qiao²², J J Qin⁴⁶, L Q Qin⁵⁹, X P Qin⁴⁰, X S Qin⁴¹, Z H Qin^{1

10}, J F Qiu¹, S Q Qu²⁸, K H Rashid⁴⁷, K Ravindran⁵², C F Redmer⁶, A Rivetti⁸, V Rodin⁴⁹, M Rolo⁸, G Rong^{1

22}, Ch Rosner⁴, M Rump¹⁹, H S Sang¹¹, A Sarantsev¹⁴, Y Schelhaas⁶, C Schnier⁵, K Schoenning³, M Scodeggio^{16

33}, W Shan⁶⁷, X Y Shan^{10

11}, J F Shangguan⁶⁸, M Shao^{10

11}, C P Shen⁴⁰, H F Shen^{1

22}, X Y Shen^{1

22}, H C Shi^{10

11}, R S Shi^{1

22}, X Shi^{1

10}, X D Shi^{10

11}, J J Song⁴¹, J J Song⁴², W M Song^{1

57}, Y X Song¹⁷, S Sosio^{7

8}, S Spataro^{7

8}, K X Su²¹, P P Su⁶⁸, F F Sui⁴¹, G X Sun¹, H K Sun¹, J F Sun⁴², L Sun²¹, S S Sun^{1

22}, T Sun^{1

22}, W Y Sun⁵⁷, X Sun²⁷, Y J Sun^{10

11}, Y Z Sun¹, Z T Sun¹, Y H Tan²¹, Y X Tan^{10

11}, C J Tang⁵⁸, G Y Tang¹, J Tang³², J X Teng^{10

11}, V Thoren³, W H Tian⁵⁰, Y T Tian²⁶, I Uman⁶⁹, B Wang¹, C W Wang²⁵, D Y Wang¹⁷, H J Wang⁵⁵, H P Wang^{1

22}, K Wang^{1

10}, L L Wang¹, M Wang⁴¹, M Z Wang¹⁷, Meng Wang^{1

22}, S Wang⁴⁰, W Wang³², W H Wang²¹, W P Wang^{10

11}, X Wang¹⁷, X F Wang⁵⁵, X L Wang⁴⁰, Y Wang³², Y D Wang⁷⁰, Y F Wang^{1

10

22}, Y Q Wang¹, Y Y Wang⁵⁵, Z Wang^{1

10}, Z Y Wang¹, Ziyi Wang²², Zongyuan Wang^{1

22}, D H Wei⁵⁹, F Weidner¹⁹, S P Wen¹, D J White³⁴, U Wiedner⁵, G Wilkinson³⁵, M Wolke³, L Wollenberg⁵, J F Wu^{1

22}, L H Wu¹, L J Wu^{1

22}, X Wu⁴⁰, X H Wu⁵⁷, Z Wu^{1

10}, L Xia^{10

11}, H Xiao⁴⁰, S Y Xiao¹, Z J Xiao³⁸, X H Xie¹⁷, Y G Xie^{1

10}, Y H Xie²⁴, T Y Xing^{1

22}, G F Xu¹, Q J Xu⁷¹, W Xu^{1

22}, X P Xu⁶⁸, Y C Xu²², F Yan⁴⁰, L Yan⁴⁰, W B Yan^{10

11}, W C Yan³⁰, H J Yang⁷², H X Yang¹, L Yang⁵⁰, S L Yang²², Y X Yang⁵⁹, Yifan Yang^{1

22}, Zhi Yang²⁶, M Ye^{1

10}, M H Ye⁷³, J H Yin¹, Z Y You³², B X Yu^{1

10

22}, C X Yu²⁸, G Yu^{1

22}, J S Yu²⁷, T Yu⁴⁶, C Z Yuan^{1

22}, L Yuan⁷⁴, X Q Yuan¹⁷, Y Yuan¹, Z Y Yuan³², C X Yue⁹, A A Zafar⁴⁷, X Zeng Zeng²⁴, Y Zeng²⁷, A Q Zhang¹, B X Zhang¹, Guangyi Zhang⁴², H Zhang¹¹, H H Zhang³², H H Zhang⁵⁷, H Y Zhang^{1

10}, J J Zhang⁵⁰, J L Zhang⁷⁵, J Q Zhang³⁸, J W Zhang^{1

10

22}, J Y Zhang¹, J Z Zhang^{1

22}, Jianyu Zhang^{1

22}, Jiawei Zhang^{1

22}, L M Zhang⁵⁶, L Q Zhang³², Lei Zhang²⁵, S Zhang³², S F Zhang²⁵, Shulei Zhang²⁷, X D Zhang⁷⁰, X Y Zhang⁴¹, Y Zhang³⁵, Y T Zhang³⁰, Y H Zhang^{1

10}, Yan Zhang^{10

11}, Yao Zhang¹, Z Y Zhang²¹, G Zhao¹, J Zhao⁹, J Y Zhao^{1

22}, J Z Zhao^{1

10}, Lei Zhao^{10

11}, Ling Zhao¹, M G Zhao²⁸, Q Zhao¹, S J Zhao³⁰, Y B Zhao^{1

10}, Y X Zhao²⁶, Z G Zhao^{10

11}, A Zhemchugov¹⁴, B Zheng⁴⁶, J P Zheng^{1

10}, Y H Zheng²², B Zhong³⁸, C Zhong⁴⁶, L P Zhou^{1

22}, Q Zhou^{1

22}, X Zhou²¹, X K Zhou²², X R Zhou^{10

11}, X Y Zhou⁹, A N Zhu^{1

22}, J Zhu²⁸, K Zhu¹, K J Zhu^{1

10

22}, S H Zhu⁷⁶, T J Zhu⁷⁵, W J Zhu⁴⁰, W J Zhu²⁸, Y C Zhu^{10

11}, Z A Zhu^{1

22}, B S Zou¹, J H Zou¹; BESIII Collaboration

Affiliations

¹ Institute of High Energy Physics, Beijing 100049, People's Republic of China.
² G. I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.
³ Uppsala University, Box 516, SE-75120 Uppsala, Sweden.
⁴ Helmholtz Institute Mainz, Staudinger Weg 18, D-55099 Mainz, Germany.
⁵ Bochum Ruhr-University, D-44780 Bochum, Germany.
⁶ Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.
⁷ University of Turin and INFN, University of Turin, I-10125 Turin, Italy.
⁸ INFN, I-10125 Turin, Italy.
⁹ Liaoning Normal University, Dalian 116029, People's Republic of China.
¹⁰ State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.
¹¹ University of Science and Technology of China, Hefei 230026, People's Republic of China.
¹² University of Jinan, Jinan 250022, People's Republic of China.
¹³ Southeast University, Nanjing 211100, People's Republic of China.
¹⁴ Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia.
¹⁵ INFN Laboratori Nazionali di Frascati, INFN Laboratori Nazionali di Frascati, I-00044, Frascati, Italy.
¹⁶ INFN Sezione di Ferrara INFN Sezione di Ferrara, I-44122 Ferrara, Italy.
¹⁷ Peking University, Beijing 100871, People's Republic of China.
¹⁸ Institute of Physics and Technology, Peace Avenue 54B, Ulaanbaatar 13330, Mongolia.
¹⁹ University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.
²⁰ Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
²¹ Wuhan University, Wuhan 430072, People's Republic of China.
²² University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
²³ Turkish Accelerator Center Particle Factory Group, Istanbul Bilgi University, High Energy Physics Research Center, 34060 Eyup, Istanbul, Turkey.
²⁴ Central China Normal University, Wuhan 430079, People's Republic of China.
²⁵ Nanjing University, Nanjing 210093, People's Republic of China.
²⁶ Institute of Modern Physics, Lanzhou 730000, People's Republic of China.
²⁷ Hunan University, Changsha 410082, People's Republic of China.
²⁸ Nankai University, Tianjin 300071, People's Republic of China.
²⁹ Liaoning University, Shenyang 110036, People's Republic of China.
³⁰ Zhengzhou University, Zhengzhou 450001, People's Republic of China.
³¹ University of Eastern Piedmont, I-15121 Alessandria, Italy.
³² Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.
³³ University of Ferrara, I-44122 Ferrara, Italy.
³⁴ University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom.
³⁵ University of Oxford, Keble Road, Oxford, OX13RH, United Kingdom.
³⁶ GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.
³⁷ Indiana University, Bloomington, Indiana 47405, USA.
³⁸ Nanjing Normal University, Nanjing 210023, People's Republic of China.
³⁹ Shandong Normal University, Jinan 250014, People's Republic of China.
⁴⁰ Fudan University, Shanghai 200443, People's Republic of China.
⁴¹ Shandong University, Jinan 250100, People's Republic of China.
⁴² Henan Normal University, Xinxiang 453007, People's Republic of China.
⁴³ University of Hawaii, Honolulu, Hawaii 96822, USA.
⁴⁴ Suranaree University of Technology, University Avenue 111, Nakhon Ratchasima 30000, Thailand.
⁴⁵ South China Normal University, Guangzhou 510006, People's Republic of China.
⁴⁶ University of South China, Hengyang 421001, People's Republic of China.
⁴⁷ University of the Punjab, Lahore-54590, Pakistan.
⁴⁸ Huangshan College, Huangshan 245000, People's Republic of China.
⁴⁹ University of Groningen, NL-9747 AA Groningen, Netherlands.
⁵⁰ Shanxi Normal University, Linfen 041004, People's Republic of China.
⁵¹ Justus-Liebig-Universitaet Giessen, II, Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.
⁵² Indian Institute of Technology Madras, Chennai 600036, India.
⁵³ Qufu Normal University, Qufu 273165, People's Republic of China.
⁵⁴ Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China.
⁵⁵ Lanzhou University, Lanzhou 730000, People's Republic of China.
⁵⁶ Tsinghua University, Beijing 100084, People's Republic of China.
⁵⁷ Jilin University, Changchun 130012, People's Republic of China.
⁵⁸ Sichuan University, Chengdu 610064, People's Republic of China.
⁵⁹ Guangxi Normal University, Guilin 541004, People's Republic of China.
⁶⁰ Shanxi University, Taiyuan 030006, People's Republic of China.
⁶¹ Henan University of Science and Technology, Luoyang 471003, People's Republic of China.
⁶² Zhejiang University, Hangzhou 310027, People's Republic of China.
⁶³ INFN Sezione di Perugia, I-06100 Perugia, Italy.
⁶⁴ University of Minnesota, Minneapolis, Minnesota 55455, USA.
⁶⁵ Lahore Campus, COMSATS University Islamabad, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan.
⁶⁶ University of Perugia, I-06100 Perugia, Italy.
⁶⁷ Hunan Normal University, Changsha 410081, People's Republic of China.
⁶⁸ Soochow University, Suzhou 215006, People's Republic of China.
⁶⁹ Near East University, Nicosia, North Cyprus, Mersin 10, Turkey.
⁷⁰ North China Electric Power University, Beijing 102206, People's Republic of China.
⁷¹ Hangzhou Normal University, Hangzhou 310036, People's Republic of China.
⁷² Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.
⁷³ China Center of Advanced Science and Technology, Beijing 100190, People's Republic of China.
⁷⁴ Beihang University, Beijing 100191, People's Republic of China.
⁷⁵ Xinyang Normal University, Xinyang 464000, People's Republic of China.
⁷⁶ University of Science and Technology Liaoning, Anshan 114051, People's Republic of China.

PMID: 35213186
DOI: 10.1103/PhysRevLett.128.062004

Measurement of the Cross Section for e^{+}e^{-}→Hadrons at Energies from 2.2324 to 3.6710 GeV

M Ablikim et al. Phys Rev Lett. 2022.

. 2022 Feb 11;128(6):062004.

doi: 10.1103/PhysRevLett.128.062004.

Authors

Affiliations

¹ Institute of High Energy Physics, Beijing 100049, People's Republic of China.
² G. I. Budker Institute of Nuclear Physics SB RAS (BINP), Novosibirsk 630090, Russia.
³ Uppsala University, Box 516, SE-75120 Uppsala, Sweden.
⁴ Helmholtz Institute Mainz, Staudinger Weg 18, D-55099 Mainz, Germany.
⁵ Bochum Ruhr-University, D-44780 Bochum, Germany.
⁶ Johannes Gutenberg University of Mainz, Johann-Joachim-Becher-Weg 45, D-55099 Mainz, Germany.
⁷ University of Turin and INFN, University of Turin, I-10125 Turin, Italy.
⁸ INFN, I-10125 Turin, Italy.
⁹ Liaoning Normal University, Dalian 116029, People's Republic of China.
¹⁰ State Key Laboratory of Particle Detection and Electronics, Beijing 100049, Hefei 230026, People's Republic of China.
¹¹ University of Science and Technology of China, Hefei 230026, People's Republic of China.
¹² University of Jinan, Jinan 250022, People's Republic of China.
¹³ Southeast University, Nanjing 211100, People's Republic of China.
¹⁴ Joint Institute for Nuclear Research, 141980 Dubna, Moscow Region, Russia.
¹⁵ INFN Laboratori Nazionali di Frascati, INFN Laboratori Nazionali di Frascati, I-00044, Frascati, Italy.
¹⁶ INFN Sezione di Ferrara INFN Sezione di Ferrara, I-44122 Ferrara, Italy.
¹⁷ Peking University, Beijing 100871, People's Republic of China.
¹⁸ Institute of Physics and Technology, Peace Avenue 54B, Ulaanbaatar 13330, Mongolia.
¹⁹ University of Muenster, Wilhelm-Klemm-Strasse 9, 48149 Muenster, Germany.
²⁰ Carnegie Mellon University, Pittsburgh, Pennsylvania 15213, USA.
²¹ Wuhan University, Wuhan 430072, People's Republic of China.
²² University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China.
²³ Turkish Accelerator Center Particle Factory Group, Istanbul Bilgi University, High Energy Physics Research Center, 34060 Eyup, Istanbul, Turkey.
²⁴ Central China Normal University, Wuhan 430079, People's Republic of China.
²⁵ Nanjing University, Nanjing 210093, People's Republic of China.
²⁶ Institute of Modern Physics, Lanzhou 730000, People's Republic of China.
²⁷ Hunan University, Changsha 410082, People's Republic of China.
²⁸ Nankai University, Tianjin 300071, People's Republic of China.
²⁹ Liaoning University, Shenyang 110036, People's Republic of China.
³⁰ Zhengzhou University, Zhengzhou 450001, People's Republic of China.
³¹ University of Eastern Piedmont, I-15121 Alessandria, Italy.
³² Sun Yat-Sen University, Guangzhou 510275, People's Republic of China.
³³ University of Ferrara, I-44122 Ferrara, Italy.
³⁴ University of Manchester, Oxford Road, Manchester, M13 9PL, United Kingdom.
³⁵ University of Oxford, Keble Road, Oxford, OX13RH, United Kingdom.
³⁶ GSI Helmholtzcentre for Heavy Ion Research GmbH, D-64291 Darmstadt, Germany.
³⁷ Indiana University, Bloomington, Indiana 47405, USA.
³⁸ Nanjing Normal University, Nanjing 210023, People's Republic of China.
³⁹ Shandong Normal University, Jinan 250014, People's Republic of China.
⁴⁰ Fudan University, Shanghai 200443, People's Republic of China.
⁴¹ Shandong University, Jinan 250100, People's Republic of China.
⁴² Henan Normal University, Xinxiang 453007, People's Republic of China.
⁴³ University of Hawaii, Honolulu, Hawaii 96822, USA.
⁴⁴ Suranaree University of Technology, University Avenue 111, Nakhon Ratchasima 30000, Thailand.
⁴⁵ South China Normal University, Guangzhou 510006, People's Republic of China.
⁴⁶ University of South China, Hengyang 421001, People's Republic of China.
⁴⁷ University of the Punjab, Lahore-54590, Pakistan.
⁴⁸ Huangshan College, Huangshan 245000, People's Republic of China.
⁴⁹ University of Groningen, NL-9747 AA Groningen, Netherlands.
⁵⁰ Shanxi Normal University, Linfen 041004, People's Republic of China.
⁵¹ Justus-Liebig-Universitaet Giessen, II, Physikalisches Institut, Heinrich-Buff-Ring 16, D-35392 Giessen, Germany.
⁵² Indian Institute of Technology Madras, Chennai 600036, India.
⁵³ Qufu Normal University, Qufu 273165, People's Republic of China.
⁵⁴ Beijing Institute of Petrochemical Technology, Beijing 102617, People's Republic of China.
⁵⁵ Lanzhou University, Lanzhou 730000, People's Republic of China.
⁵⁶ Tsinghua University, Beijing 100084, People's Republic of China.
⁵⁷ Jilin University, Changchun 130012, People's Republic of China.
⁵⁸ Sichuan University, Chengdu 610064, People's Republic of China.
⁵⁹ Guangxi Normal University, Guilin 541004, People's Republic of China.
⁶⁰ Shanxi University, Taiyuan 030006, People's Republic of China.
⁶¹ Henan University of Science and Technology, Luoyang 471003, People's Republic of China.
⁶² Zhejiang University, Hangzhou 310027, People's Republic of China.
⁶³ INFN Sezione di Perugia, I-06100 Perugia, Italy.
⁶⁴ University of Minnesota, Minneapolis, Minnesota 55455, USA.
⁶⁵ Lahore Campus, COMSATS University Islamabad, Defence Road, Off Raiwind Road, 54000 Lahore, Pakistan.
⁶⁶ University of Perugia, I-06100 Perugia, Italy.
⁶⁷ Hunan Normal University, Changsha 410081, People's Republic of China.
⁶⁸ Soochow University, Suzhou 215006, People's Republic of China.
⁶⁹ Near East University, Nicosia, North Cyprus, Mersin 10, Turkey.
⁷⁰ North China Electric Power University, Beijing 102206, People's Republic of China.
⁷¹ Hangzhou Normal University, Hangzhou 310036, People's Republic of China.
⁷² Shanghai Jiao Tong University, Shanghai 200240, People's Republic of China.
⁷³ China Center of Advanced Science and Technology, Beijing 100190, People's Republic of China.
⁷⁴ Beihang University, Beijing 100191, People's Republic of China.
⁷⁵ Xinyang Normal University, Xinyang 464000, People's Republic of China.
⁷⁶ University of Science and Technology Liaoning, Anshan 114051, People's Republic of China.

PMID: 35213186
DOI: 10.1103/PhysRevLett.128.062004

Abstract

Based on electron-positron collision data collected with the BESIII detector operating at the Beijing Electron-Positron Collider II storage rings, the value of R≡σ(e^{+}e^{-}→hadrons)/σ(e^{+}e^{-}→μ^{+}μ^{-}) is measured at 14 center-of-mass energies from 2.2324 to 3.6710 GeV. The resulting uncertainties are less than 3.0% and are dominated by systematic uncertainties.

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Measurement of the Cross Section for e^{+}e^{-}→Hadrons at Energies from 2.2324 to 3.6710 GeV

Affiliations

Measurement of the Cross Section for e^{+}e^{-}→Hadrons at Energies from 2.2324 to 3.6710 GeV

Authors

Affiliations

Abstract

LinkOut - more resources

Full Text Sources

Research Materials