Measurement of the B0s→J/ψK0S effective lifetime from proton-proton collisions at √s = 13 TeV

CMS Collaboration; A Hayrapetyan; David B Anthony; Jim Brooke; Aaron Bundock; Florian J J Bury; Emyr J Clement; David G Cussans; H. Flächer; Maciej Glowacki; Joel Goldstein; Helen F Heath; Mei-Li Holmberg; Lukasz Kreczko; Sudarshan Paramesvaran; Liam Robertshaw; Sarah A Seif El Nasr; Vincent J Smith; Nicolas Stylianou; Katie L M R Walkingshaw Pass; et al.

doi:10.1007/JHEP10(2024)247

Measurement of the B⁰_s→J/ψK⁰_S effective lifetime from proton-proton collisions at √s = 13 TeV

CMS Collaboration, A Hayrapetyan, David B Anthony, Jim Brooke, Aaron Bundock, Florian J J Bury, Emyr J Clement, David G Cussans, H. Flächer, Maciej Glowacki, Joel Goldstein, Helen F Heath, Mei-Li Holmberg, Lukasz Kreczko, Sudarshan Paramesvaran, Liam Robertshaw, Sarah A Seif El Nasr, Vincent J Smith, Nicolas Stylianou, Katie L M R Walkingshaw Passet al.

Research output: Contribution to journal › Article (Academic Journal) › peer-review

Abstract

The effective lifetime of the B⁰_smeson in the decay B⁰_s→J/ψK⁰_sis measured using data collected during 2016–2018 with the CMS detector in √s = 13 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 140 fb⁻¹. The effective lifetime is determined by performing a two-dimensional unbinned maximum likelihood fit to the B⁰_s
meson invariant mass and proper decay time distributions. The resulting value of 1.59 ± 0.07(stat) ± 0.03(syst) ps is the most precise measurement to date and is in good agreement with the expected value.

Original language	English
Article number	247
Number of pages	40
Journal	Journal of High Energy Physics
Volume	2024
Issue number	10
DOIs	https://doi.org/10.1007/JHEP10(2024)247
Publication status	Published - 31 Oct 2024

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© The Author(s) 2024.

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CMS Collaboration, Hayrapetyan, A., Anthony, D. B., Brooke, J., Bundock, A., Bury, F. J. J., Clement, E. J., Cussans, D. G., Flächer, H., Glowacki, M., Goldstein, J., Heath, H. F., Holmberg, M.-L., Kreczko, L., Paramesvaran, S., Robertshaw, L., Seif El Nasr, S. A., Smith, V. J., Stylianou, N., ... al., E. (2024). Measurement of the B⁰_s→J/ψK⁰_S effective lifetime from proton-proton collisions at √s = 13 TeV. Journal of High Energy Physics, 2024(10), Article 247. https://doi.org/10.1007/JHEP10(2024)247

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title = "Measurement of the B0s→J/ψK0S effective lifetime from proton-proton collisions at √s = 13 TeV",

abstract = "The effective lifetime of the B0s meson in the decay B0s→J/ψK0s is measured using data collected during 2016–2018 with the CMS detector in √s = 13 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 140 fb−1. The effective lifetime is determined by performing a two-dimensional unbinned maximum likelihood fit to the B0s meson invariant mass and proper decay time distributions. The resulting value of 1.59 ± 0.07(stat) ± 0.03(syst) ps is the most precise measurement to date and is in good agreement with the expected value.",

author = "{CMS Collaboration} and A Hayrapetyan and Anthony, {David B} and Jim Brooke and Aaron Bundock and Bury, {Florian J J} and Clement, {Emyr J} and Cussans, {David G} and H. Fl{\"a}cher and Maciej Glowacki and Joel Goldstein and Heath, {Helen F} and Mei-Li Holmberg and Lukasz Kreczko and Sudarshan Paramesvaran and Liam Robertshaw and {Seif El Nasr}, {Sarah A} and Smith, {Vincent J} and Nicolas Stylianou and {Walkingshaw Pass}, {Katie L M R} and et al.",

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

year = "2024",

month = oct,

day = "31",

doi = "10.1007/JHEP10(2024)247",

language = "English",

volume = "2024",

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CMS Collaboration, Hayrapetyan, A, Anthony, DB, Brooke, J , Bundock, A , Bury, FJJ , Clement, EJ , Cussans, DG , Flächer, H , Glowacki, M , Goldstein, J , Heath, HF , Holmberg, M-L , Kreczko, L , Paramesvaran, S , Robertshaw, L, Seif El Nasr, SA, Smith, VJ, Stylianou, N, Walkingshaw Pass, KLMR & al., E 2024, 'Measurement of the B⁰_s→J/ψK⁰_S effective lifetime from proton-proton collisions at √s = 13 TeV', Journal of High Energy Physics, vol. 2024, no. 10, 247. https://doi.org/10.1007/JHEP10(2024)247

TY - JOUR

T1 - Measurement of the B0s→J/ψK0S effective lifetime from proton-proton collisions at √s = 13 TeV

AU - CMS Collaboration

AU - Hayrapetyan, A

AU - Anthony, David B

AU - Brooke, Jim

AU - Bundock, Aaron

AU - Bury, Florian J J

AU - Clement, Emyr J

AU - Cussans, David G

AU - Flächer, H.

AU - Glowacki, Maciej

AU - Goldstein, Joel

AU - Heath, Helen F

AU - Holmberg, Mei-Li

AU - Kreczko, Lukasz

AU - Paramesvaran, Sudarshan

AU - Robertshaw, Liam

AU - Seif El Nasr, Sarah A

AU - Smith, Vincent J

AU - Stylianou, Nicolas

AU - Walkingshaw Pass, Katie L M R

AU - al., et

PY - 2024/10/31

Y1 - 2024/10/31

N2 - The effective lifetime of the B0s meson in the decay B0s→J/ψK0s is measured using data collected during 2016–2018 with the CMS detector in √s = 13 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 140 fb−1. The effective lifetime is determined by performing a two-dimensional unbinned maximum likelihood fit to the B0s meson invariant mass and proper decay time distributions. The resulting value of 1.59 ± 0.07(stat) ± 0.03(syst) ps is the most precise measurement to date and is in good agreement with the expected value.

AB - The effective lifetime of the B0s meson in the decay B0s→J/ψK0s is measured using data collected during 2016–2018 with the CMS detector in √s = 13 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 140 fb−1. The effective lifetime is determined by performing a two-dimensional unbinned maximum likelihood fit to the B0s meson invariant mass and proper decay time distributions. The resulting value of 1.59 ± 0.07(stat) ± 0.03(syst) ps is the most precise measurement to date and is in good agreement with the expected value.

U2 - 10.1007/JHEP10(2024)247

DO - 10.1007/JHEP10(2024)247

M3 - Article (Academic Journal)

SN - 1029-8479

VL - 2024

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 10

M1 - 247

ER -