Measurement of e plus e- → Φπ+ π- cross sections at center-of-mass energies from 2.00 to 3.08 GeV

被引：4
|
作者：
Ablikim, M. [1 ]
Achasov, M. N. [13 ]
Adlarson, P. [71 ]
Aliberti, R. [39 ]
Amoroso, A. [67 ,68 ,70 ]
An, M. R. [43 ]
An, Q. [52 ,53 ,64 ]
Bai, Y.
Bakina, O. [40 ]
Balossino, I. [32 ]
Ban, Y. [50 ]
Batozskaya, V. [1 ,48 ]
Begzsuren, K. [36 ]
Berger, N. [39 ]
Berlowski, M. [48 ]
Bertani, M. [29 ]
Bettoni, D. [32 ]
Bianchi, F. [67 ,68 ,70 ]
Bianco, E. [67 ,68 ,70 ]
Bloms, J. [61 ]
Bortone, A. [67 ,68 ,70 ]
Boyko, I. [40 ]
Briere, R. A. [5 ]
Brueggemann, A.
Cai, H. [72 ]
Cai, X. [1 ,52 ,53 ]
Calcaterra, A. [29 ]
Cao, G. F. [1 ,56 ]
Cao, N. [1 ,56 ]
Cetin, S. A. [54 ]
Chang, J. F. [1 ,52 ,53 ]
Chang, T. T. [73 ]
Chang, W. L. [1 ]
Che, G. R. [47 ]
Chelkov, G. [40 ]
Chen, C. [4 ]
Chen, Chao [5 ]
Chen, G. [1 ]
Chen, H. S. [1 ]
Chen, M. L. [1 ,52 ,53 ]
Chen, S. J. [46 ]
Chen, S. M.
Chen, T.
Chen, X. R.
Chen, X. T.
Chen, Y. B.
Chen, Y. Q.
Chen, Z. J.
Cheng, W. S. [70 ]
Choi, S. K.
机构：
[1] Inst High Energy Phys, Beijing 100049, Peoples R China
[2] Beihang Univ, Beijing 100191, Peoples R China
[3] Beijing Inst Petrochem Technol, Beijing 102617, Peoples R China
[4] Bochum Ruhr Univ, D-44780 Bochum, Germany
[5] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[6] Cent China Normal Univ, Wuhan 430079, Peoples R China
[7] Cent South Univ, Changsha 410083, Peoples R China
[8] China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China
[9] China Univ Geosci, Wuhan 430074, Peoples R China
[10] Chung Ang Univ, Seoul 06974, South Korea
[11] COMSATS Univ Islamabad, Lahore Campus,Def Rd,Raiwind Rd, Lahore 54000, Pakistan
[12] Fudan Univ, Shanghai 200433, Peoples R China
[13] GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia
[14] GSI Helmholtzcentre Heavy Ion Res GmbH, D-64291 Darmstadt, Germany
[15] Guangxi Normal Univ, Guilin 541004, Peoples R China
[16] Guangxi Univ, Nanning 530004, Peoples R China
[17] Hangzhou Normal Univ, Hangzhou 310036, Peoples R China
[18] Hebei Univ, Baoding 071002, Peoples R China
[19] Helmholtz Inst Mainz, Staudinger Weg 18, D-55099 Mainz, Germany
[20] Henan Normal Univ, Xinxiang 453007, Henan, Peoples R China
[21] Henan Univ, Kaifeng 475004, Peoples R China
[22] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China
[23] Henan Univ Technol, Zhengzhou 450001, Peoples R China
[24] Huangshan Coll, Huangshan 245000, Peoples R China
[25] Hunan Normal Univ, Changsha 410081, Peoples R China
[26] Hunan Univ, Changsha 410082, Peoples R China
[27] Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India
[28] Indiana Univ, Bloomington, IN 47405 USA
[29] INFN Lab Nazl Frascati, I-00044 Frascati, Italy
[30] INFN Sez Perugia, I-06100 Perugia, Italy
[31] Univ Perugia, I-06100 Perugia, Italy
[32] INFN Sez Ferrara, I-44122 Ferrara, Italy
[33] Univ Ferrara, I-44122 Ferrara, Italy
[34] Inner Mongolia Univ, Hohhot 010021, Peoples R China
[35] Inst Modern Phys, Lanzhou 730000, Peoples R China
[36] Inst Phys & Technol, Peace Ave 54B, Ulaanbaatar 13330, Mongolia
[37] Univ Tarapaca, Inst Alta Invest, Casilla 7D, Arica, Chile
[38] Jilin Univ, Changchun 130012, Peoples R China
[39] Johannes Gutenberg Univ Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany
[40] Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[41] Justus Liebig Univ Giessen, Phys Inst 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany
[42] Lanzhou Univ, Lanzhou 730000, Peoples R China
[43] Liaoning Normal Univ, Dalian 116029, Peoples R China
[44] Liaoning Univ, Shenyang 110036, Peoples R China
[45] Nanjing Normal Univ, Nanjing 210023, Peoples R China
[46] Nanjing Univ, Nanjing 210093, Peoples R China
[47] Nankai Univ, Tianjin 300071, Peoples R China
[48] Natl Ctr Nucl Res, PL-02093 Warsaw, Poland
[49] North China Elect Power Univ, Beijing 102206, Peoples R China
[50] Peking Univ, Beijing 100871, Peoples R China
来源：
PHYSICAL REVIEW D | 2023年 / 108卷 / 03期
基金：
瑞典研究理事会; 中国国家自然科学基金; 欧盟地平线“2020”;
关键词：
DECAY; Y(2175); STATE; FIT; TOF;
D O I：
10.1103/PhysRevD.108.032011
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
Using data corresponding to an integrated luminosity of 651 pb-1 accumulated at 22 center-of-mass energies from 2.00 to 3.08 GeV by the BESIII experiment, the process e+e- & RARR; 0ic+ic- is studied. The cross sections for e+e- & RARR; 0ic+ic- are consistent with previous results, but with improved precision. To measure the mass and width of the structure observed in the cross section line shape, a combine fit is performed after enhancing the contribution from 0f0(980). The fit reveals a structure with the mass of M = 2178 +20 +5 MeV=c2 and the width of & UGamma; = 140 +36 +16 MeV, where the first uncertainties are statistical and the second ones are systematic.
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页数：11
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