Search for a scalar partner of the X(3872) via ψ(3770) decays into γηη' and γπ+ π- J/ψ

被引：20

作者：

Ablikim, M. ^{[1
]}

Achasov, M. N. ^{[13
,89
]}

Adlarson, P. ^{[81
]}

Aliberti, R. ^{[39
]}

Amoroso, A. ^{[78
,79
]}

An, M. R. ^{[43
]}

An, Q. ^{[61
,75
]}

Bai, Y. ^{[60
]}

Bakina, O. ^{[40
]}

Balossino, I. ^{[32
]}

Ban, Y. ^{[50
,97
]}

Batozskaya, V. ^{[1
,48
]}

Begzsuren, K. ^{[36
]}

Berger, N. ^{[39
]}

Berlowski, M. ^{[48
]}

Bertani, M. ^{[29
]}

Bettoni, D. ^{[32
]}

Bianchi, F. ^{[78
,79
]}

Bianco, E. ^{[78
,79
]}

Bloms, J. ^{[72
]}

Bortone, A. ^{[78
,79
]}

Boyko, I. ^{[40
]}

Briere, R. A. ^{[5
]}

Brueggemann, A. ^{[72
]}

Cai, H. ^{[82
]}

Cai, X. ^{[1
,61
]}

Calcaterra, A. ^{[29
]}

Cao, G. F. ^{[1
,67
]}

Cao, N. ^{[1
,67
]}

Cetin, S. A. ^{[65
]}

Chang, J. F. ^{[1
,61
]}

Chang, T. T. ^{[83
]}

Chang, W. L. ^{[1
,67
]}

Che, G. R. ^{[47
]}

Chelkov, G. ^{[40
,88
]}

Chen, C. ^{[47
]}

Chen, Chao ^{[58
]}

Chen, G. ^{[1
]}

Chen, H. S. ^{[1
,67
]}

Chen, M. L. ^{[1
,61
,67
]}

Chen, S. J. ^{[46
]}

Chen, S. M. ^{[64
]}

Chen, T. ^{[1
,67
]}

Chen, X. R. ^{[35
,67
]}

Chen, X. T. ^{[1
,67
]}

Chen, Y. B. ^{[1
,61
]}

Chen, Y. Q. ^{[38
]}

Chen, Z. J. ^{[26
,98
]}

Cheng, W. S. ^{[78
]}

Choi, S. K. ^{[10
]}

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] RAS BINP, SB, GI Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[14] GSI Helmholtzctr 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] Ist Nazl Fis Nucl, Lab Nazl Frascati, I-00044 Frascati, Italy

[30] Ist Nazl Fis Nucl, Lab Nazl Frascati, Sez Perugia, I-06100 Perugia, Italy

[31] Univ Perugia, Lab Nazl Frascati, Ist Nazl Fis Nucl, I-06100 Perugia, Italy

[32] Ist Nazl Fis Nucl, Sez Ferrara, I-44122 Ferrara, Italy

[33] Univ Ferrara, Sez Ferrara, Ist Nazl Fis Nucl, 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] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia

[41] Justus Liebig Univ Giessen, Inst Phys 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 / 05期

基金：

中国国家自然科学基金; 国家重点研发计划; 瑞典研究理事会; 新加坡国家研究基金会;

关键词：

CROSS-SECTION; E(+)E(-); J/PSI-D(D)OVER-BAR; STATE;

D O I：

10.1103/PhysRevD.108.052012

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Using a data sample corresponding to an integrated luminosity of 2.93 fb(-1) collected at a center-of-mass energy of 3.773 GeV with the BESIII detector at the BEPCII collider, we search for a scalar partner of the X(3872), denoted as X(3700), via psi(3770) gamma eta eta' and gamma pi(+)pi(-)J/psi processes. No significant signals are observed and the upper limits of the product branching fractions B(psi(3770) ->gamma X(3700)) center dot B(X(3700)-> eta eta') and B(psi(3770) ->gamma X(3700)) center dot B(X(3700) -> pi(+)pi(-)J/psi) are determined at the 90% confidence level, for the narrow X(3700) with a mass ranging from 3710 to 3740 MeV/c(2), which are from 0.9 to 1.9(x10(-5)) and 0.9 to 3.4(x10(-5)), respectively.

引用

页数：12

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