Precision measurement of the B0 meson lifetime using B0→J/ψK∗0 decays with the ATLAS detector

L. Zwalinski; W. Zou; O. Zormpa; T. G. Zorbas; K. Zoch; A. Zoccoli; L. Živković; M. Ziolkowski; J. Zinsser; N. I. Zimine; K. Zhukov; X. Zhuang; Y. Zhu; X. Zhu; J. Zhu; C. G. Zhu; Y. Zhou; N. Zhou; H. Zhou; B. Zhou; D. Zhong; Z. Zheng; X. Zheng; K. Zheng; J. Zheng; A. Zhemchugov; Z. Zhao; Y. Zhao; T. Zhao; H. Zhao; Z. Zhang; Y. Zhang; X. Zhang; T. Zhang; S. Zhang; R. Zhang; P. Zhang; L. Zhang; K. Zhang; J. Zhang; D. F. Zhang; M. Zhai; D. Zerwas; S. Zerradi; S. Zenz; T. Ženiš; O. Zenin; D. T. Zenger; J. C. Zeng; H. Zeng; C. Zeitnitz; O. Zaplatilek; D. Zanzi; J. Zang; J. A.Zamora Saa; S. Zambito; T. Zakareishvili; Z. K. Zak; E. Zaid; B. Zabinski; M. Zaazoua; L. Yue; R. Yuan; M. Yuan; J. Yuan; Y. Yu; C. Yu; C. Young; C. J.S. Young; S. Younas; K. Yorita; P. Yin; T. P. Yildirim; M. R. Yexley; B. Yeo; I. Yeletskikh; Y. Yeh; X. Ye; S. Ye; J. Ye; H. Ye; W. M. Yao; Z. Yang; Y. Yang; Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States); X. Yang; Yuan-Tang Chou

doi:10.1140/epjc/s10052-025-14232-8

Precision measurement of the B0 meson lifetime using B0→J/ψK∗0 decays with the ATLAS detector

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Precision measurement of the B0 meson lifetime using B0→J/ψK∗0 decays with the ATLAS detector

L. Zwalinski, W. Zou, O. Zormpa, T. G. Zorbas, K. Zoch, A. Zoccoli, L. Živković, M. Ziolkowski, J. Zinsser, N. I. Zimine, …

The European physical journal. C, Particles and fields, 卷.85(7), 頁.736

2025

DOI: https://doi.org/10.1140/epjc/s10052-025-14232-8

Web of Science ID: WOS:001679181000001

摘要

A measurement of the B-0 meson lifetime using B-0 -> J/psi K*(0) decays in data from 13 TeV proton-proton collisions with an integrated luminosity of 140 fb(-1) recorded by the ATLAS detector at the LHC is presented. The measured effective lifetime istau = 1.5053 +/- 0.0012 (stat.) +/- 0.0035 (syst.) ps.The average decay width extracted from the effective lifetime, using parameters from external sources, is Gamma(d) = 0.6639 +/- 0.0005 (stat.) +/- 0.0016 (syst.) +/- 0.0038 (ext.) ps(-1),where the uncertainties are statistical, systematic and from external sources. The earlier ATLAS measurement of Gamma(s) in the B-s(0) -> J/psi phi decay was used to derive a value for the ratio of the average decay widths Gamma(d) and Gamma(s) for B-0 and B-s(0) mesons respectively, ofGamma(d)/Gamma(s) = 0.9905 +/- 0.0022 (stat.)+/- 0.0036 (syst.)+/- 0.0057 (ext.).Themeasured lifetime, average decay width and decay width ratio are in agreement with theoretical predictions and with measurements by other experiments. This measurement provides the most precise result of the effective lifetime of the B-0 meson to date.

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題名: Precision measurement of the B0 meson lifetime using B0→J/ψK∗0 decays with the ATLAS detector
創作者：: L. Zwalinski - European Organization for Nuclear Research
W. Zou - Columbia University
O. Zormpa - National Centre of Scientific Research "Demokritos"
T. G. Zorbas - University of Sheffield
K. Zoch - Harvard University Press
A. Zoccoli - Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
L. Živković - University of Belgrade
M. Ziolkowski - University of Siegen
J. Zinsser - National Centre of Scientific Research "Demokritos"
N. I. Zimine - European Organization for Nuclear Research
K. Zhukov - Harvard University
X. Zhuang - Chinese Academy of Sciences
Y. Zhu - University of Science and Technology of China
Y. Zhu - University of Science and Technology of China
X. Zhu - Shanghai Jiao Tong University
J. Zhu - University of Michigan
C. G. Zhu - Shandong University
Y. Zhou - University of Science and Technology of China
Y. Zhou - University of Science and Technology of China
N. Zhou - Shanghai Jiao Tong University
H. Zhou - University of Arizona
B. Zhou - Shandong University
D. Zhong - University of Arizona
Z. Zheng - University of Arizona
X. Zheng - University of Science and Technology of China
K. Zheng - University of Arizona
J. Zheng - University of Michigan
A. Zhemchugov - University of Illinois Urbana-Champaign
Z. Zhao - University of Science and Technology of China
Z. Zhao - University of Science and Technology of China
Y. Zhao - University of Illinois Urbana-Champaign
T. Zhao - Shandong University
H. Zhao - University of Washington
Z. Zhang - Centre National de la Recherche Scientifique
Z. Zhang - Centre National de la Recherche Scientifique
Y. Zhang - Centre National de la Recherche Scientifique
Y. Zhang - Centre National de la Recherche Scientifique
Y. Zhang - Centre National de la Recherche Scientifique
X. Zhang - University of Wisconsin–Madison
X. Zhang - University of Wisconsin–Madison
T. Zhang - Shanghai Jiao Tong University
S. Zhang - Centre National de la Recherche Scientifique
S. Zhang - Centre National de la Recherche Scientifique
R. Zhang - Shandong University
P. Zhang - Shandong University
L. Zhang - University of Science and Technology of China
L. Zhang - University of Science and Technology of China
K. Zhang - University of Wisconsin–Madison
J. Zhang - University of Science and Technology of China
J. Zhang - University of Science and Technology of China
D. F. Zhang - University of Science and Technology of China
M. Zhai - Chinese Academy of Sciences
D. Zerwas - Argonne National Laboratory
S. Zerradi - Argonne National Laboratory
S. Zenz - Queen Mary University of London
T. Ženiš - Chinese Academy of Sciences
O. Zenin - Centre National de la Recherche Scientifique
D. T. Zenger - Brandeis University
J. C. Zeng - Queen Mary University of London
H. Zeng - Chinese Academy of Sciences
C. Zeitnitz - University of Wuppertal
O. Zaplatilek - Czech Technical University in Prague
D. Zanzi - University of Illinois Urbana-Champaign
J. Zang - Chinese Academy of Sciences
J. A.Zamora Saa - Universidad Andrés Bello
S. Zambito - University of Geneva
T. Zakareishvili - Universitat de València
Z. K. Zak - Institute of Nuclear Physics, Polish Academy of Sciences
E. Zaid - Universidad Andrés Bello
B. Zabinski - University of Geneva
M. Zaazoua - University of Science and Technology of China
L. Yue - Institute of Nuclear Physics, Polish Academy of Sciences
R. Yuan - Shanghai Jiao Tong University
M. Yuan - University of Michigan
J. Yuan - University of Science and Technology of China
Y. Yu - University of Science and Technology of China
C. Yu - Shanghai Jiao Tong University
C. Young - University of Michigan
C. J.S. Young - Chinese Academy of Sciences
S. Younas - Uppsala University
K. Yorita - Waseda University
P. Yin - SLAC National Accelerator Laboratory
T. P. Yildirim - University of Oxford
M. R. Yexley - Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering
B. Yeo - Waseda University
I. Yeletskikh - European Organization for Nuclear Research
Y. Yeh - University of Oxford
X. Ye - University of Science and Technology of China
S. Ye - Brookhaven National Laboratory
J. Ye - Chinese Academy of Sciences
H. Ye - University of Science and Technology of China
H. Ye - University of Science and Technology of China
W. M. Yao - Rutherford Appleton Laboratory
Z. Yang - University of Science and Technology of China
Y. Yang - University of Science and Technology of China
Lawrence Berkeley National Laboratory (LBNL), Berkeley, CA (United States)
X. Yang - University of Science and Technology of China
Yuan-Tang Chou
X. Yang - University of Science and Technology of China
出版者: SPRINGER; NEW YORK
總頁數: 27
補助款備註: Ministry of Education, Culture, Sports, Science and Technology (http://data.elsevier.com/vocabulary/SciValFunders/501100001700) UK Research and Innovation (http://data.elsevier.com/vocabulary/SciValFunders/100014013) Nella and Leon Benoziyo Center for Neurological Diseases, Weizmann Institute of Science (http://data.elsevier.com/vocabulary/SciValFunders/501100003941) Marcus och Amalia Wallenbergs minnesfond (http://data.elsevier.com/vocabulary/SciValFunders/501100011898) ECA DE-AC02-76SF00515 / U.S. Department of Energy (http://data.elsevier.com/vocabulary/SciValFunders/100000015) Canarie (http://data.elsevier.com/vocabulary/SciValFunders/100008313) Irish Rugby Football Union (http://data.elsevier.com/vocabulary/SciValFunders/501100024313) RGC GACR - 24-11373 S / Grantová Agentura České Republiky (http://data.elsevier.com/vocabulary/SciValFunders/501100001824) Natural Sciences and Engineering Research Council of Canada (http://data.elsevier.com/vocabulary/SciValFunders/501100000038)
學術資源類型: 期刊文章
出版日期: 2025
出版資訊: The European physical journal. C, Particles and fields, 卷.85(7), 頁.736
語言: 英語

Precision measurement of the B0 meson lifetime using B0→J/ψK∗0 decays with the ATLAS detector

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