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Measurement of branching fractions for D meson decaying into φ meson and a pseudoscalar meson
被引：5
作者：
Ablikim, M.
[1
]
Achasov, M. N.
[10
,74
]
Adlarson, P.
[66
]
Ahmed, S.
[15
]
Albrecht, M.
[4
]
Alekseev, M.
[63
,65
]
Amoroso, A.
[63
,65
]
An, F. F.
[1
]
An, Q.
[46
,47
,60
]
Bai, Y.
[45
]
Bakina, O.
[30
]
Baldini Ferroli, R.
[23
]
Balossino, I
[26
]
Ban, Y.
[38
,85
]
Begzsuren, K.
[28
]
Bennett, J., V
[5
]
Berger, N.
[29
]
Bertani, M.
[23
]
Bettoni, D.
[26
]
Bianchi, F.
[63
,65
]
Biernat, J.
[66
]
Bloms, J.
[57
]
Boyko, I
[30
]
Briere, R. A.
[5
]
Cai, H.
[67
]
Cai, X.
[1
,46
,47
]
Calcaterra, A.
[23
]
Cao, G. F.
[1
,52
]
Cao, N.
[1
,52
]
Cetin, S. A.
[50
]
Chai, J.
[65
]
Chang, J. F.
[1
,46
,47
]
Chang, W. L.
[1
,52
]
Chelkov, G.
[30
,72
,73
]
Chen, D. Y.
[6
]
Chen, G.
[1
]
Chen, H. S.
[1
,52
]
Chen, J. C.
[1
]
Chen, M. L.
[1
,46
,47
]
Chen, S. J.
[36
]
Chen, Y. B.
[1
,46
,47
]
Cheng, W.
[65
]
Cibinetto, G.
[26
]
Cossio, F.
[65
]
Cui, X. F.
[37
]
Dai, H. L.
[1
,46
,47
]
Dai, J. P.
[41
,78
,79
,80
]
Dai, X. C.
[1
,52
]
Dbeyssi, A.
[15
]
Dedovich, D.
[30
]
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, Hubei, Peoples R China
[7] China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China
[8] COMSATS Univ Islamabad, Lahore Campus,Def Rd,Off Raiwind Rd, Lahore 54000, Pakistan
[9] Fudan Univ, Shanghai 200443, Peoples R China
[10] GI Budker Inst Nucl Phys SB RAS BINP, Novosibirsk 630090, Russia
[11] GSI Helmholtzctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany
[12] Guangxi Normal Univ, Guilin 541004, Peoples R China
[13] Guangxi Univ, Nanning 530004, Peoples R China
[14] Hangzhou Normal Univ, Hangzhou 310036, Zhejiang, Peoples R China
[15] Helmholtz Inst Mainz, Johann Joach Becher Weg 45, D-55099 Mainz, Germany
[16] Henan Normal Univ, Xinxiang 453007, Henan, Peoples R China
[17] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China
[18] Huangshan Coll, Huangshan 245000, Peoples R China
[19] Hunan Normal Univ, Changsha 410081, Hunan, Peoples R China
[20] Hunan Univ, Changsha 410082, Hunan, Peoples R China
[21] Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India
[22] Indiana Univ, Bloomington, IN 47405 USA
[23] INFN, Lab Nazl Frascati, I-00044 Frascati, Italy
[24] INFN, I-06100 Perugia, Italy
[25] Univ Perugia, I-06100 Perugia, Italy
[26] INFN, Sez Ferrara, I-44122 Ferrara, Italy
[27] Univ Ferrara, I-44122 Ferrara, Italy
[28] Inst Phys & Technol, Peace Ave 54B, Ulaanbaatar 13330, Mongolia
[29] Johannes Gutenberg Univ Mainz, Johann Joach Becher Weg 45, D-55099 Mainz, Germany
[30] Joint Inst Nucl Res, Dubna 141980, Moscow Region, Russia
[31] Justus Liebig Univ Giessen, Phys Inst 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany
[32] Univ Groningen, KVI CART, NL-9747 AA Groningen, Netherlands
[33] Lanzhou Univ, Lanzhou 730000, Gansu, Peoples R China
[34] Liaoning Univ, Shenyang 110036, Liaoning, Peoples R China
[35] Nanjing Normal Univ, Nanjing 210023, Jiangsu, Peoples R China
[36] Nanjing Univ, Nanjing 210093, Jiangsu, Peoples R China
[37] Nankai Univ, Tianjin 300071, Peoples R China
[38] Peking Univ, Beijing 100871, Peoples R China
[39] Shandong Normal Univ, Jinan 250014, Shandong, Peoples R China
[40] Shandong Univ, Jinan 250100, Shandong, Peoples R China
[41] Shanghai Jiao Tong Univ, Shanghai 200240, Peoples R China
[42] Shanxi Univ, Taiyuan 030006, Shanxi, Peoples R China
[43] Sichuan Univ, Chengdu 610064, Sichuan, Peoples R China
[44] Soochow Univ, Suzhou 215006, Peoples R China
[45] Southeast Univ, Nanjing 211100, Jiangsu, Peoples R China
[46] State Key Lab Particle Detect & Elect, Beijing 100049, Peoples R China
[47] State Key Lab Particle Detect & Elect, Hefei 230026, Anhui, Peoples R China
[48] Sun Yat Sen Univ, Guangzhou 510275, Guangdong, Peoples R China
[49] Tsinghua Univ, Beijing 100084, Peoples R China
[50] Istanbul Bilgi Univ, TR-34060 Istanbul, Turkey
基金：
瑞典研究理事会;
中国国家自然科学基金;
关键词：
BESIII;
D meson;
Hadronic decays;
Branching fractions;
MONTE-CARLO;
E(+)E(-);
D O I：
10.1016/j.physletb.2019.135017
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
The four decay modes D-0 -> phi pi(0), D-0 -> phi eta, D+ -> phi pi(+), and D+ up arrow phi K+ are studied by using a data sample taken at the centre-of-mass energy root s = 3.773 GeVwith the BESIII detector, corresponding to an integrated luminosity of 2.93 fb(-1). The branching fractions of the first three decay modes are measured to be B(D-0 -> phi pi(0)) = (1.168 +/- 0.028 +/- 0.028) x 10(-3), B(D-0 -> phi eta) = (1.81 +/- 0.46 +/- 0.06) x 10(-4), and B(D+ -> phi pi(+)) = (5.70 +/- 0.05 +/- 0.13) x 10(-3), respectively, where the first uncertainties are statistical and the second are systematic. In addition, the upper limit of the branching fraction for D+ -> phi K+ is given to be 2.1 x 10(-5) at the 90% confidence level. The ratio of B(D-0 -> phi pi(0)) to B(D+ -> phi pi(+)) is calculated to be (20.49 +/- 0.50 +/- 0.45)%, which is consistent with the theoretical prediction based on isospin symmetry between these two decay modes. (C) 2019 The Author(s). Published by Elsevier B.V.
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