Measurement of CP violation in B0→ D+D− and Bs0\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {\textrm{B}}_{\textrm{s}}^0 $$\end{document}→Ds+Ds−\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {\textrm{D}}_{\textrm{s}}^{+}{\textrm{D}}_{\textrm{s}}^{-} $$\end{document} decays

被引：0

作者：

R. Aaij ^{[37
]}

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

C. Abellan Beteta ^{[49
]}

F. Abudinén ^{[55
]}

T. Ackernley ^{[59
]}

A. A. Adefisoye ^{[67
]}

B. Adeva ^{[45
]}

M. Adinolfi ^{[53
]}

P. Adlarson ^{[80
]}

C. Agapopoulou ^{[14
]}

C. A. Aidala ^{[81
]}

Z. Ajaltouni ^{[11
]}

S. Akar ^{[64
]}

K. Akiba ^{[37
]}

P. Albicocco ^{[27
]}

J. Albrecht ^{[19
]}

F. Alessio ^{[87
]}

M. Alexander ^{[47
]}

Z. Aliouche ^{[58
]}

P. Alvarez Cartelle ^{[61
]}

R. Amalric ^{[54
]}

S. Amato ^{[16
]}

J. L. Amey ^{[3
]}

Y. Amhis ^{[53
]}

L. An ^{[14
]}

L. Anderlini ^{[47
]}

M. Andersson ^{[6
]}

A. Andreianov ^{[26
]}

P. Andreola ^{[49
]}

M. Andreotti ^{[49
]}

D. Andreou ^{[25
]}

A. Anelli ^{[67
]}

D. Ao ^{[30
]}

F. Archilli ^{[96
]}

M. Argenton ^{[7
]}

S. Arguedas Cuendis ^{[36
]}

A. Artamonov ^{[102
]}

M. Artuso ^{[25
]}

E. Aslanides ^{[9
]}

R. Ataíde Da Silva ^{[47
]}

M. Atzeni ^{[67
]}

B. Audurier ^{[13
]}

D. Bacher ^{[48
]}

I. Bachiller Perea ^{[63
]}

S. Bachmann ^{[12
]}

M. Bachmayer ^{[62
]}

J. J. Back ^{[10
]}

P. Baladron Rodriguez ^{[21
]}

V. Balagura ^{[48
]}

W. Baldini ^{[55
]}

机构：

[1] Monash University,School of Physics and Astronomy

[2] Centro Brasileiro de Pesquisas Físicas (CBPF),Department of Engineering Physics

[3] Universidade Federal do Rio de Janeiro (UFRJ),School of Physics State Key Laboratory of Nuclear Physics and Technology

[4] Tsinghua University,Institute of Particle Physics

[5] Institute Of High Energy Physics (IHEP),I. Physikalisches Institut

[6] Peking University,Fakultät Physik

[7] University of Chinese Academy of Sciences,Physikalisches Institut

[8] Central China Normal University,School of Physics

[9] Consejo Nacional de Rectores (CONARE),Instituto Galego de Física de Altas Enerxías (IGFAE)

[10] Université Savoie Mont Blanc,Physik

[11] CNRS,Institut

[12] IN2P3-LAPP,School of Physics and Astronomy

[13] Université Clermont Auvergne,H.H. Wills Physics Laboratory

[14] CNRS/IN2P3,Cavendish Laboratory

[15] LPC,Department of Physics

[16] Université Paris-Saclay,School of Physics and Astronomy

[17] Centre d’Etudes de Saclay (CEA),School of Physics and Astronomy

[18] IRFU,Oliver Lodge Laboratory

[19] Saclay,Department of Physics and Astronomy

[20] France,Department of Physics

[21] Aix Marseille Univ,School of Physics and Electronics

[22] CNRS/IN2P3,Guangdong Provincial Key Laboratory of Nuclear Science, Guangdong

[23] CPPM,Hong Kong Joint Laboratory of Quantum Matter, Institute of Quantum Matter

[24] Université Paris-Saclay,School of Physics and Technology

[25] CNRS/IN2P3,Departamento de Fisica

[26] IJCLab,Van Swinderen Institute

[27] Laboratoire Leprince-Ringuet,Department of Physics and Astronomy

[28] CNRS/IN2P3,Center for High Energy Physics

[29] Ecole Polytechnique,Hangzhou Institute for Advanced Study

[30] Institut Polytechnique de Paris,School of Physics and Electronics

[31] LPNHE,undefined

[32] Sorbonne Université,undefined

[33] Paris Diderot Sorbonne Paris Cité,undefined

[34] CNRS/IN2P3,undefined

[35] RWTH Aachen University,undefined

[36] Universität Bonn - Helmholtz-Institut für Strahlen und Kernphysik,undefined

[37] Technische Universität Dortmund,undefined

[38] Max-Planck-Institut für Kernphysik (MPIK),undefined

[39] Ruprecht-Karls-Universität Heidelberg,undefined

[40] University College Dublin,undefined

[41] INFN Sezione di Bari,undefined

[42] INFN Sezione di Bologna,undefined

[43] INFN Sezione di Ferrara,undefined

[44] INFN Sezione di Firenze,undefined

[45] INFN Laboratori Nazionali di Frascati,undefined

[46] INFN Sezione di Genova,undefined

[47] INFN Sezione di Milano,undefined

[48] INFN Sezione di Milano-Bicocca,undefined

[49] INFN Sezione di Cagliari,undefined

[50] INFN Sezione di Padova,undefined

来源：

Journal of High Energy Physics | / 2025卷 / 1期

关键词：

CP Violation; Hadron-Hadron Scattering;

D O I：

10.1007/JHEP01(2025)061

中图分类号：

学科分类号：

摘要：

A time-dependent, flavour-tagged measurement of CP violation is performed with B0→ D+D− and Bs0\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {B}_s^0 $$\end{document}→Ds+Ds−\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {D}_s^{+}{D}_s^{-} $$\end{document} decays, using data collected by the LHCb detector in proton-proton collisions at a centre-of-mass energy of 13 TeV corresponding to an integrated luminosity of 6 fb−1. In B0→ D+D− decays the CP-violation parameters are measured to beSD+D−=−0.552±0.100stat±0.010syst,CD+D−=0.128±0.103stat±0.010syst.\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {\displaystyle \begin{array}{c}{S}_{D^{+}{D}^{-}}=-0.552\pm 0.100\left(\textrm{stat}\right)\pm 0.010\left(\textrm{syst}\right),\\ {}{C}_{D^{+}{D}^{-}}=0.128\pm 0.103\left(\textrm{stat}\right)\pm 0.010\left(\textrm{syst}\right).\end{array}} $$\end{document}

引用

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