A model-independent measurement of the CKM angle γ in partially reconstructed B±→D∗h± decays with D→K0Sh+h-(h=π,K)

被引：0

作者：

Aaij, R. ^{[36
]}

Abdelmotteleb, A. S. W. ^{[55
]}

Beteta, C. Abellan ^{[49
]}

Abudinen, F. ^{[55
]}

Ackernley, T. ^{[59
]}

Adeva, B. ^{[45
]}

Adinolfi, M. ^{[53
]}

Adlarson, P. ^{[79
]}

Agapopoulou, C. ^{[47
]}

Aidala, C. A. ^{[80
]}

Ajaltouni, Z. ^{[11
]}

Akar, S. ^{[64
]}

Akiba, K. ^{[36
]}

Albicocco, P. ^{[25
]}

Albrecht, J. ^{[17
]}

Alessio, F. ^{[47
]}

Alexander, M. ^{[58
]}

Albero, A. Alfonso ^{[44
]}

Aliouche, Z. ^{[61
]}

Cartelle, P. Alvarez ^{[54
]}

Amalric, R. ^{[15
]}

Amato, S. ^{[3
]}

Amey, J. L. ^{[53
]}

Amhis, Y. ^{[13
,47
]}

An, L. ^{[6
]}

Anderlini, L. ^{[24
]}

Andersson, M. ^{[49
]}

Andreianov, A. ^{[42
]}

Andreola, P. ^{[49
]}

Andreotti, M. ^{[23
]}

Andreou, D. ^{[67
]}

Anelli, A. ^{[28
,95
]}

Ao, D. ^{[7
]}

Archilli, F. ^{[35
,101
]}

Argenton, M. ^{[23
]}

Cuendis, S. Arguedas ^{[9
]}

Artamonov, A. ^{[42
]}

Artuso, M. ^{[67
]}

Aslanides, E. ^{[12
]}

Atzeni, M. ^{[63
]}

Audurier, B. ^{[14
]}

Bacher, D. ^{[62
]}

Perea, I. Bachiller ^{[10
]}

Bachmann, S. ^{[19
]}

Bachmayer, M. ^{[48
]}

Back, J. J. ^{[55
]}

Bailly-reyre, A. ^{[15
]}

Rodriguez, P. Baladron ^{[45
]}

Balagura, V. ^{[14
]}

Baldini, W. ^{[23
]}

机构：

[1] Monash Univ, Sch Phys & Astron, Melbourne, Vic, Australia

[2] Ctr Brasileiro Pesquisas Fisicas CBPF, Rio De Janeiro, Brazil

[3] Univ Fed Rio de Janeiro UFRJ, Rio De Janeiro, Brazil

[4] Tsinghua Univ, Ctr High Energy Phys, Beijing, Peoples R China

[5] Inst High Energy Phys IHEP, Beijing, Peoples R China

[6] Peking Univ, Sch Phys, State Key Lab Nucl Phys & Technol, Beijing, Peoples R China

[7] Univ Chinese Acad Sci, Beijing, Peoples R China

[8] Cent China Normal Univ, Inst Particle Phys, Wuhan, Hubei, Peoples R China

[9] Consejo Nacl Rectores CONARE, San Jose, Costa Rica

[10] Univ Savoie Mt Blanc, CNRS, IN2P3, LAPP, Annecy, France

[11] Univ Clermont Auvergne, LPC, CNRS, IN2P3, Clermont Ferrand, France

[12] Aix Marseille Univ, CPPM, CNRS, IN2P3, Marseille, France

[13] Univ Paris Saclay, IJCLab, CNRS, IN2P3, Orsay, France

[14] Inst Polytech Paris, Ecole Polytech, Lab Leprince Ringuet, CNRS,IN2P3, Palaiseau, France

[15] Sorbonne Univ, Paris Diderot Sorbonne Paris Cite, LPNHE, CNRS,IN2P3, Paris, France

[16] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany

[17] Tech Univ Dortmund, Fak Phys, Dortmund, Germany

[18] Max Planck Inst Kernphys MPIK, Heidelberg, Germany

[19] Heidelberg Univ, Phys Inst, Heidelberg, Germany

[20] Univ Coll Dublin, Sch Phys, Dublin, Ireland

[21] INFN, Sez Bari, Bari, Italy

[22] INFN, Sez Bologna, Bologna, Italy

[23] INFN, Sez Ferrara, Ferrara, Italy

[24] INFN, Sez Firenze, Florence, Italy

[25] INFN, Lab Nazl Frascati, Frascati, Italy

[26] INFN, Sez Genova, Genoa, Italy

[27] INFN, Sez Milano, Milan, Italy

[28] INFN, Sez Milano Bicocca, Milan, Italy

[29] INFN, Sez Cagliari, Monserrato, Italy

[30] Univ Padua, Padua, Italy

[31] INFN, Padua, Italy

[32] INFN, Sez Perugia, Perugia, Italy

[33] INFN, Sez Pisa, Pisa, Italy

[34] INFN, Sez Roma La Sapienza, Rome, Italy

[35] INFN, Sez Roma Tor Vergata, Rome, Italy

[36] Nikhef Natl Inst Subat Phys, Amsterdam, Netherlands

[37] Vrije Univ Amsterdam, Amsterdam, Netherlands

[38] AGH Univ Sci & Technol, Fac Phys & Appl Comp Sci, Krakow, Poland

[39] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

[40] Natl Ctr Nucl Res NCBJ, Warsaw, Poland

[41] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[42] CERN, Geneva, Switzerland

[43] Univ Ramon Llull, DS4DS, Barcelona, Spain

[44] Univ Barcelona, ICCUB, Barcelona, Spain

[45] Univ Santiago de Compostela, Inst Galego Fis Altas Enerxias IGFAE, Santiago De Compostela, Spain

[46] Ctr Mixto Univ Valencia, CSIC, Inst Fis Corpuscular, Valencia, Spain

[47] European Org Nucl Res CERN, Geneva, Switzerland

[48] Ecole Polytech Fed Lausanne EPFL, Inst Phys, Lausanne, Switzerland

[49] Univ Zurich, Phys Inst, Zurich, Switzerland

[50] NSC Kharkiv Inst Phys & Technol NSC KIPT, Kharkiv, Ukraine

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2024年 / 02期

关键词：

B Physics; CKM Angle Gamma; CP Violation; Hadron-Hadron Scattering; CP-VIOLATION;

D O I：

10.1007/JHEP02(2024)118

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：

A measurement of CP-violating observables in B-+/-->(DK +/-)-K-& lowast; and B-+/--> D-& lowast;pi(+/-) decays is made where the photon or neutral pion from the D-& lowast;-> D gamma or D-& lowast;-> D pi(0) decay is not reconstructed. The D meson is reconstructed in the self-conjugate decay modes, D -> K-S(0)pi(+)pi(-) or D ->(KSK+K-)-K-0. The distribution of signal yields in the D decay phase space is analysed in a model-independent way. The measurement uses a data sample collected in proton-proton collisions at centre-of-mass energies of 7, 8, and 13 TeV, corresponding to a total integrated luminosity of approximately 9 fb(-1). The B-+/-->(DK +/-)-K-& lowast; and B-+/--> D-& lowast;pi(+/-) CP-violating observables are interpreted in terms of hadronic parameters and the CKM angle gamma, resulting in a measurement of gamma=(92(-17)(+21))degrees. The total uncertainty includes the statistical and systematic uncertainties, and the uncertainty due to external strong-phase inputs.

引用

页数：30

共 50 条

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