Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states

The LHCb collaboration

doi:10.1007/JHEP10(2024)122

Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states

The LHCb collaboration

National Institute for Subatomic Physics
University of Warwick
University of Zurich
University of Liverpool
Syracuse University
Instituto Galego de Física de Altas Enerxías (IGFAE)
University of Bristol
Uppsala University
Université Paris-Saclay
University of Michigan, Ann Arbor
Université Clermont Auvergne
University of Cincinnati
National Institute for Nuclear Physics
TU Dortmund University
CERN
University of Glasgow
University of Manchester
University of Cambridge
Sorbonne Université
Universidade Federal do Rio de Janeiro
Peking University
University of Milan - Bicocca
University of Chinese Academy of Sciences
University of Rome Tor Vergata
Consejo Nacional de Rectores (CONARE)
CPPM
Swiss Federal Institute of Technology Lausanne
Massachusetts Institute of Technology
Laboratoire Leprince-Ringuet
University of Oxford
Université Savoie Mont Blanc
Heidelberg University
Pontifícia Universidade Católica do Rio de Janeiro
University of Edinburgh
RWTH Aachen University
AGH University of Krakow
Scuola Normale Superiore di Pisa
CAS - Institute of High Energy Physics
Centro Brasileiro de Pesquisas Físicas
Ramon Llull University
Henryk Niewodniczanski Institute of Nuclear Physics of the Polish Academy of Sciences
Imperial College London
Maastricht University
University of Ferrara
University of Padua
University of Barcelona
Wuhan University
Facultad de Ciencias Fisicas
University of Bologna
University of Genoa
University of Milan
NASU - Institute of Nuclear Research
University of A Coruna
Horia Hulubei National Institute of Physics and Nuclear Engineering
National Autonomous University of Honduras
Los Alamos National Laboratory
Hunan University
University of Cagliari
University of Groningen
Centro Federal de Educação Tecnológica Celso Suckow da Fonseca
University of Bari
Monash University
Central China Normal University
Eötvös Loránd University
Tsinghua University
University College Dublin
South China Normal University
Cracow University of Technology
Rutherford Appleton Laboratory
University of Bonn
University of Perugia
University of Valencia
University of Maryland, College Park
National Centre for Nuclear Research
Universidade de Brasília
University of Pisa
Universidad Nacional de Colombia
University of Birmingham
NASU - Kharkov Institute of Physics and Technology
Vrije Universiteit Amsterdam
Lanzhou University
Henan University
University of Bergamo
Ruhr University Bochum
University of Siena
Departement de Physique Nucleaire (SPhN)
University of Basilicata
Max Planck Institute for Nuclear Physics
University of Alcalá
University of Urbino

Research output: Contribution to journal › Article › peer-review

Abstract

The decays of the χ_b1(1P), χ_b2(1P), χ_b1(2P) and χ_b2(2P) mesons into the Υ(1S)μ⁺μ⁻ final state are observed with a high significance using proton-proton collision data collected with the LHCb detector and corresponding to an integrated luminosity of 9 fb⁻¹. The newly observed decays together with the Υ(2S) → Υ(1S)π⁺π⁻ and Υ(3S) → Υ(2S)π⁺π⁻ decay modes are used for precision measurements of the mass and mass splittings for the hidden-beauty states.

Original language	English
Article number	122
Journal	Journal of High Energy Physics
Volume	2024
Issue number	10
DOIs	https://doi.org/10.1007/JHEP10(2024)122
State	Published - Oct 2024
Externally published	Yes

Keywords

Hadron-Hadron Scattering
Quarkonium
Spectroscopy

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10.1007/JHEP10(2024)122

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@article{5b3b6e82bc3847deb40bbbd0b32d1d72,

title = "Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states",

abstract = "The decays of the χb1(1P), χb2(1P), χb1(2P) and χb2(2P) mesons into the Υ(1S)μ+μ− final state are observed with a high significance using proton-proton collision data collected with the LHCb detector and corresponding to an integrated luminosity of 9 fb−1. The newly observed decays together with the Υ(2S) → Υ(1S)π+π− and Υ(3S) → Υ(2S)π+π− decay modes are used for precision measurements of the mass and mass splittings for the hidden-beauty states.",

keywords = "Hadron-Hadron Scattering, Quarkonium, Spectroscopy",

author = "\{The LHCb collaboration\} and R. Aaij and Abdelmotteleb, \{A. S.W.\} and \{Abellan Beteta\}, C. and F. Abudin{\'e}n and T. Ackernley and Adefisoye, \{A. A.\} and B. Adeva and M. Adinolfi and P. Adlarson and C. Agapopoulou and Aidala, \{C. A.\} and Z. Ajaltouni and S. Akar and K. Akiba and P. Albicocco and J. Albrecht and F. Alessio and M. Alexander and Z. Aliouche and \{Alvarez Cartelle\}, P. and R. Amalric and S. Amato and Amey, \{J. L.\} and Y. Amhis and L. An and L. Anderlini and M. Andersson and A. Andreianov and P. Andreola and M. Andreotti and D. Andreou and A. Anelli and D. Ao and F. Archilli and M. Argenton and \{Arguedas Cuendis\}, S. and A. Artamonov and M. Artuso and E. Aslanides and \{Ata{\'i}de Da Silva\}, R. and M. Atzeni and B. Audurier and D. Bacher and \{Bachiller Perea\}, I. and S. Bachmann and M. Bachmayer and Back, \{J. J.\} and \{Baladron Rodriguez\}, P. and \{Calderon Ramirez\}, S. and \{Castro Godinez\}, J.",

note = "Publisher Copyright: {\textcopyright} The Author(s) 2024.",

year = "2024",

month = oct,

doi = "10.1007/JHEP10(2024)122",

language = "Ingl{\'e}s",

volume = "2024",

journal = "Journal of High Energy Physics",

issn = "1029-8479",

number = "10",

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TY - JOUR

T1 - Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states

AU - The LHCb collaboration

AU - Aaij, R.

AU - Abdelmotteleb, A. S.W.

AU - Abellan Beteta, C.

AU - Abudinén, F.

AU - Ackernley, T.

AU - Adefisoye, A. A.

AU - Adeva, B.

AU - Adinolfi, M.

AU - Adlarson, P.

AU - Agapopoulou, C.

AU - Aidala, C. A.

AU - Ajaltouni, Z.

AU - Akar, S.

AU - Akiba, K.

AU - Albicocco, P.

AU - Albrecht, J.

AU - Alessio, F.

AU - Alexander, M.

AU - Aliouche, Z.

AU - Alvarez Cartelle, P.

AU - Amalric, R.

AU - Amato, S.

AU - Amey, J. L.

AU - Amhis, Y.

AU - An, L.

AU - Anderlini, L.

AU - Andersson, M.

AU - Andreianov, A.

AU - Andreola, P.

AU - Andreotti, M.

AU - Andreou, D.

AU - Anelli, A.

AU - Ao, D.

AU - Archilli, F.

AU - Argenton, M.

AU - Arguedas Cuendis, S.

AU - Artamonov, A.

AU - Artuso, M.

AU - Aslanides, E.

AU - Ataíde Da Silva, R.

AU - Atzeni, M.

AU - Audurier, B.

AU - Bacher, D.

AU - Bachiller Perea, I.

AU - Bachmann, S.

AU - Bachmayer, M.

AU - Back, J. J.

AU - Baladron Rodriguez, P.

AU - Calderon Ramirez, S.

AU - Castro Godinez, J.

PY - 2024/10

Y1 - 2024/10

N2 - The decays of the χb1(1P), χb2(1P), χb1(2P) and χb2(2P) mesons into the Υ(1S)μ+μ− final state are observed with a high significance using proton-proton collision data collected with the LHCb detector and corresponding to an integrated luminosity of 9 fb−1. The newly observed decays together with the Υ(2S) → Υ(1S)π+π− and Υ(3S) → Υ(2S)π+π− decay modes are used for precision measurements of the mass and mass splittings for the hidden-beauty states.

AB - The decays of the χb1(1P), χb2(1P), χb1(2P) and χb2(2P) mesons into the Υ(1S)μ+μ− final state are observed with a high significance using proton-proton collision data collected with the LHCb detector and corresponding to an integrated luminosity of 9 fb−1. The newly observed decays together with the Υ(2S) → Υ(1S)π+π− and Υ(3S) → Υ(2S)π+π− decay modes are used for precision measurements of the mass and mass splittings for the hidden-beauty states.

KW - Hadron-Hadron Scattering

KW - Quarkonium

KW - Spectroscopy

UR - https://www.scopus.com/pages/publications/85207241309

U2 - 10.1007/JHEP10(2024)122

DO - 10.1007/JHEP10(2024)122

M3 - Artículo

AN - SCOPUS:85207241309

SN - 1029-8479

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 10

M1 - 122

ER -

Observation of muonic Dalitz decays of chib mesons and precise spectroscopy of hidden-beauty states

Abstract

Keywords

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