Amplitude analysis and branching fraction measurement of the decay Ds+→ K+π+π-π0

被引：0

作者：

Ablikim, M.

Achasov, M. N. ^{[1
]}

Adlarson, P. ^{[11
,84
]}

Albrecht, M. ^{[77
]}

Aliberti, R. ^{[4
]}

Amoroso, A. ^{[35
]}

An, M. R. ^{[74
,76
]}

An, Q. ^{[39
]}

Bai, X. H. ^{[57
,71
]}

Bai, Y. ^{[66
]}

Bakina, O. ^{[56
]}

Baldini Ferroli, R. ^{[36
]}

Balossino, I. ^{[26
]}

Ban, Y. ^{[29
,30
]}

Batozskaya, V. ^{[46
,91
]}

Becker, D. ^{[1
,44
]}

Begzsuren, K. ^{[35
]}

Berger, N. ^{[33
]}

Bertani, M. ^{[35
]}

Bettoni, D. ^{[26
]}

Bianchi, F. ^{[29
,30
]}

Bloms, J. ^{[74
,76
]}

Bortone, A. ^{[68
]}

Boyko, I. ^{[74
,76
]}

Briere, R. A. ^{[36
]}

Brueggemann, A. ^{[5
]}

Cai, H. ^{[68
]}

Cai, X. ^{[78
]}

Calcaterra, A. ^{[1
,57
]}

Cao, G. F. ^{[26
]}

Cao, N. ^{[1
,63
]}

Cetin, S. A. ^{[1
,63
]}

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

Chang, W. L. ^{[1
,57
]}

Chelkov, G. ^{[1
,63
]}

Chen, C. ^{[36
,83
]}

Chen, Chao ^{[43
]}

Chen, G. ^{[54
]}

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

Chen, M. L. ^{[1
,63
]}

Chen, S. J. ^{[1
,57
,63
]}

Chen, S. M. ^{[42
]}

Chen, T. ^{[60
]}

Chen, X. R. ^{[1
,63
]}

Chen, X. T. ^{[32
,63
]}

Chen, Y. B. ^{[1
,63
]}

Chen, Z. J. ^{[1
,57
]}

Cheng, W. S. ^{[23
,92
]}

Chu, X. ^{[76
]}

Cibinetto, G. ^{[43
]}

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] Univ Bochum Ruhr, D-44780 Bochum, Germany

[5] Carnegie Mellon Univ, Pittsburgh, PA 15213 USA

[6] Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China

[7] Cent South Univ, Changsha 410083, Peoples R China

[8] China Ctr Adv Sci & Technol, Beijing 100190, Peoples R China

[9] COMSATS Univ Islamabad, Lahore Campus,Def Rd,Off Raiwind Rd, Lahore 54000, Pakistan

[10] Fudan Univ, Shanghai 200433, Peoples R China

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

[12] GSI Helmholtzctr Heavy Ion Res GmbH, D-64291 Darmstadt, Germany

[13] Guangxi Normal Univ, Guilin 541004, Peoples R China

[14] Guangxi Univ, Nanning 530004, Peoples R China

[15] Hangzhou Normal Univ, Hangzhou 310036, Peoples R China

[16] Hebei Univ, Baoding 071002, Peoples R China

[17] Helmholtz Inst Mainz, Staudinger Weg 18, D-55099 Mainz, Germany

[18] Henan Normal Univ, Xinxiang 453007, Peoples R China

[19] Henan Univ Sci & Technol, Luoyang 471003, Peoples R China

[20] Henan Univ Technol, Zhengzhou 450001, Peoples R China

[21] Huangshan Coll, Huangshan 245000, Peoples R China

[22] Hunan Normal Univ, Changsha 410081, Peoples R China

[23] Hunan Univ, Changsha 410082, Peoples R China

[24] Indian Inst Technol Madras, Chennai 600036, Tamil Nadu, India

[25] Indiana Univ, Bloomington, IN 47405 USA

[26] INFN Lab Nazl Frascati, I-100044 Frascati, Italy

[27] INFN Sez Perugia, I-106100 Perugia, Italy

[28] Univ Perugia, I-06100 Perugia, Italy

[29] INFN Sez Ferrara, I-44122 Ferrara, Italy

[30] INFN Sez Ferrara, I-44122 Ferrara, Italy

[31] Univ Ferrara, I-44122 Ferrara, Italy

[32] Inst Modern Phys, Lanzhou 730000, Peoples R China

[33] Inst Phys & Technol, Peace Ave 54B, Ulaanbaatar 13330, Mongolia

[34] Jilin Univ, Changchun 130012, Peoples R China

[35] Johannes Gutenberg Univ Mainz, Johann Joachim Becher Weg 45, D-55099 Mainz, Germany

[36] Joint Inst Nucl Res, Dubna 141980, Moscow region, Russia

[37] Justus Liebig Univ Giessen, Phys Inst 2, Heinrich Buff Ring 16, D-35392 Giessen, Germany

[38] Lanzhou Univ, Lanzhou 730000, Peoples R China

[39] Liaoning Normal Univ, Dalian 116029, Peoples R China

[40] Liaoning Univ, Shenyang 110036, Peoples R China

[41] Nanjing Normal Univ, Nanjing 210023, Peoples R China

[42] Nanjing Univ, Nanjing 210093, Peoples R China

[43] Nankai Univ, Tianjin 300071, Peoples R China

[44] Natl Ctr Nucl Res, PL-02093 Warsaw, Poland

[45] North China Elect Power Univ, Beijing 102206, Peoples R China

[46] Peking Univ, Beijing 100871, Peoples R China

[47] Qufu Normal Univ, Qufu 273165, Shandong, Peoples R China

[48] Shandong Normal Univ, Jinan 250014, Peoples R China

[49] Shandong Univ, Jinan 250100, Peoples R China

[50] Shanghai Jiao Tong Univ, Shanghai 200240, Peoples R China

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2022年 / 09期

基金：

中国国家自然科学基金; 瑞典研究理事会;

关键词：

Charm Physics; e(+)-e(-) Experiments; Particle and Resonance Production; K-MATRIX ANALYSIS; MASS REGION; D-MESONS; STATE; FORMALISM; WAVE;

D O I：

10.1007/JHEP09(2022)242

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The singly Cabibbo-suppressed decay Ds -> K+pi(+)pi(-)pi(0) is observed by using a data set corresponding to an integrated luminosity of 6.32 fb(-1) recorded by the BESIII detector at the centre-of-mass energies between 4.178 and 4.226 GeV. The first amplitude analysis of Ds+-> K+pi(+)pi(-)pi(0) reveals the sub-structures in this decay and determines the fractions and relative phases of different intermediate processes. The dominant intermediate process is Ds+ -> K-*0 rho(+), with a fit fraction of (40.5 +/- 2.8(stat.) +/- 1.5(syst.))%. With the detection efficiency based on our amplitude analysis, the absolute branching fraction for Ds+-> K+pi(+)pi(-)pi(0) is measured to be (9.75 +/- 0.54(stat.)+/- 0.17(syst.)) x 10(-3).

引用

页数：32

共 46 条

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