Search for the Bc+\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {B}_c^{+} $$\end{document}→ χc1(3872)π+ decay

被引：0

作者：

R. Aaij ^{[38
]}

A. S. W. Abdelmotteleb ^{[56
]}

C. Abellan Beteta ^{[50
]}

F. Abudinén ^{[56
]}

T. Ackernley ^{[60
]}

A. A. Adefisoye ^{[68
]}

B. Adeva ^{[46
]}

M. Adinolfi ^{[54
]}

P. Adlarson ^{[82
]}

C. Agapopoulou ^{[14
]}

C. A. Aidala ^{[84
]}

Z. Ajaltouni ^{[11
]}

S. Akar ^{[65
]}

K. Akiba ^{[38
]}

P. Albicocco ^{[28
]}

J. Albrecht ^{[19
]}

F. Alessio ^{[91
]}

M. Alexander ^{[48
]}

Z. Aliouche ^{[59
]}

P. Alvarez Cartelle ^{[62
]}

R. Amalric ^{[55
]}

S. Amato ^{[16
]}

J. L. Amey ^{[3
]}

Y. Amhis ^{[54
]}

L. An ^{[14
]}

L. Anderlini ^{[6
]}

M. Andersson ^{[27
]}

A. Andreianov ^{[50
]}

P. Andreola ^{[50
]}

M. Andreotti ^{[26
]}

D. Andreou ^{[68
]}

A. Anelli ^{[31
]}

D. Ao ^{[100
]}

F. Archilli ^{[48
]}

M. Argenton ^{[7
]}

S. Arguedas Cuendis ^{[37
]}

A. Artamonov ^{[106
]}

M. Artuso ^{[26
]}

E. Aslanides ^{[9
]}

R. Ataíde Da Silva ^{[48
]}

M. Atzeni ^{[68
]}

B. Audurier ^{[13
]}

D. Bacher ^{[49
]}

I. Bachiller Perea ^{[64
]}

S. Bachmann ^{[12
]}

M. Bachmayer ^{[63
]}

J. J. Back ^{[10
]}

P. Baladron Rodriguez ^{[22
]}

V. Balagura ^{[49
]}

A. Balboni ^{[56
]}

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,Physikalisches Institut

[9] Consejo Nacional de Rectores (CONARE),School of Physics

[10] Université Savoie Mont Blanc,Instituto Galego de Física de Altas Enerxías (IGFAE)

[11] CNRS,Physik

[12] IN2P3-LAPP,Institut

[13] Université Clermont Auvergne,School of Physics and Astronomy

[14] CNRS/IN2P3,H.H. Wills Physics Laboratory

[15] LPC,Cavendish Laboratory

[16] Université Paris-Saclay,Department of Physics

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

[18] IRFU,School of Physics and Astronomy

[19] Saclay,Oliver Lodge Laboratory

[20] France,Department of Physics and Astronomy

[21] Aix Marseille Univ,Department of Physics

[22] CNRS/IN2P3,School of Physics and Electronics

[23] CPPM,Guangdong Provincial Key Laboratory of Nuclear Science, Guangdong

[24] Université Paris-Saclay,Hong Kong Joint Laboratory of Quantum Matter, Institute of Quantum Matter

[25] CNRS/IN2P3,School of Physics and Technology

[26] IJCLab,Departamento de Fisica

[27] Laboratoire Leprince-Ringuet,Van Swinderen Institute

[28] CNRS/IN2P3,Department of Physics and Astronomy

[29] Ecole Polytechnique,Center for High Energy Physics

[30] Institut Polytechnique de Paris,Hangzhou Institute for Advanced Study

[31] LPNHE,School of Physics and Electronics

[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] Albert-Ludwigs-Universität Freiburg,undefined

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

[40] Ruprecht-Karls-Universität Heidelberg,undefined

[41] University College Dublin,undefined

[42] INFN Sezione di Bari,undefined

[43] INFN Sezione di Bologna,undefined

[44] INFN Sezione di Ferrara,undefined

[45] INFN Sezione di Firenze,undefined

[46] INFN Laboratori Nazionali di Frascati,undefined

[47] INFN Sezione di Genova,undefined

[48] INFN Sezione di Milano,undefined

[49] INFN Sezione di Milano-Bicocca,undefined

[50] INFN Sezione di Cagliari,undefined

来源：

Journal of High Energy Physics | / 2025卷 / 6期

关键词：

B Physics; Branching fraction; Hadron-Hadron Scattering; QCD;

D O I：

10.1007/JHEP06(2025)013

中图分类号：

学科分类号：

摘要：

A search for the decay Bc+\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {B}_c^{+} $$\end{document}→ χc1(3872)π+ is reported using proton-proton collision data collected with the LHCb detector between 2011 and 2018 at centre-of-mass energies of 7, 8, and 13 TeV, corresponding to an integrated luminosity of 9 fb−1. No significant signal is observed. Using the decay Bc+\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {B}_c^{+} $$\end{document} → ψ(2S)π+ as a normalisation channel, an upper limit for the ratio of branching fractionsRψ2Sχc13872=BBc+→χc13872π+BBc+→ψ2Sπ+×Bχc13872→J/ψπ+π−Bψ2S→J/ψπ+π−<0.050.06,\documentclass[12pt]{minimal} \usepackage{amsmath} \usepackage{wasysym} \usepackage{amsfonts} \usepackage{amssymb} \usepackage{amsbsy} \usepackage{mathrsfs} \usepackage{upgreek} \setlength{\oddsidemargin}{-69pt} \begin{document}$$ {\mathcal{R}}_{\psi (2S)}^{\chi_{c1}(3872)}=\frac{{\mathcal{B}}_{B_c^{+}\to {\chi}_{c1}(3872){\pi}^{+}}}{{\mathcal{B}}_{B_c^{+}\to \psi (2S){\pi}^{+}}}\times \frac{{\mathcal{B}}_{\chi_{c1}(3872)\to J/\psi {\pi}^{+}{\pi}^{-}}}{{\mathcal{B}}_{\psi (2S)\to J/\psi {\pi}^{+}{\pi}^{-}}}<0.05(0.06), $$\end{document}

引用