Search for the semileptonic decays Ds+ → K1(1270)0e+νe and Ds+ → b1(1235)0e+νe

被引：1
|
作者：
Ablikim, M. [1 ]
Achasov, M. N. [5 ,91 ]
Adlarson, P. [83 ]
Ai, X. C. [89 ]
Aliberti, R. [39 ]
Amoroso, A. [1 ,79 ,80 ,82 ]
An, M. R. [43 ]
An, Q. [61 ,62 ,76 ]
Bai, Y. [60 ]
Bakina, O. [40 ]
Balossino, I. [32 ]
Ban, Y. [50 ,99 ]
Batozskaya, V. [1 ,48 ]
Begzsuren, K. [36 ]
Berger, N. [39 ]
Berlowski, M. [48 ]
Bertani, M. [29 ]
Bettoni, D. [32 ]
Bianchi, F. [79 ,80 ,82 ]
Bianco, E. [79 ,80 ,82 ]
Bortone, A. [79 ,80 ,82 ]
Boyko, I. [40 ]
Briere, R. A. [6 ]
Brueggemann, A. [73 ]
Cai, H. [84 ]
Cai, X. [1 ,61 ,62 ]
Calcaterra, A. [29 ]
Cao, G. F. [1 ,68 ]
Cao, N. [1 ,68 ]
Cetin, S. A. [66 ]
Chang, J. F. [1 ,61 ,62 ]
Chang, T. T. [85 ]
Chang, W. L. [1 ,68 ]
Che, G. R. [47 ]
Chelkov, G. [40 ,90 ]
Chen, C. [47 ]
Chen, Chao [58 ]
Chen, G. [1 ]
Chen, H. S. [1 ,68 ]
Chen, M. L. [1 ,61 ,62 ,68 ]
Chen, S. J. [46 ]
Chen, S. M. [65 ]
Chen, T. [1 ,68 ]
Chen, X. R. [35 ,68 ]
Chen, X. T. [1 ,68 ]
Chen, Y. B. [1 ,61 ,62 ]
Chen, Y. Q. [38 ]
Chen, Z. J. [26 ,100 ]
Cheng, W. S. [82 ]
Choi, S. K. [11 ]
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] Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia
[6] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA
[7] Cent China Normal Univ, Wuhan 430079, Peoples R China
[8] Cent South Univ, Changsha 410083, Peoples R China
[9] China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China
[10] China Univ Geosci, Wuhan 430074, Peoples R China
[11] Chung Ang Univ, Seoul 06974, South Korea
[12] COMSATS Univ Islamabad, Lahore Campus,Def Rd,Off Raiwind Rd, Lahore 54000, Pakistan
[13] Fudan Univ, Shanghai 200433, Peoples R China
[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] 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 1000000, 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, 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 / 11期
基金：
新加坡国家研究基金会; 瑞典研究理事会;
关键词：
TOF;
D O I：
10.1103/PhysRevD.108.112002
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
By analyzing 7.33 fb(-1) of e(+)e(-) collision data collected at center-of-mass energies between 4.128 and 4.226 GeV with the BESIII detector, we search for the semileptonic decays D-s(+)-> K-1(1270)(0)e(+)nu(e) and D-s(+)-> b(1)(1235)(0)e(+)nu(e) for the first time. No significant signals are observed for either decay mode. The upper limits on the (product) branching fractions are determined to be B[D-s(+)-> K-1(1270)(0)e(+)nu(e)] < 4.1x10(-4) and B[D-s(+)-> b(1)(1235)(0)e(+)nu(e)]center dot B[b(1)(1235)(0)->omega pi(0)] < 6.4x10(-4) at 90% confidence level.
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页数：11
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