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2013-08

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cc-by-nc-nd (c) CERN, 2013
Please use this identifier to cite or link to this item: https://hdl.handle.net/2445/196207

Measurement of the effective Bs0→J/ψKS0 lifetime

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Abstract

This paper reports the first measurement of the effective B0 s → J /ψK0 S lifetime and an updated mea- surement of its time-integrated branching fraction. Both measurements are performed with a data sample, corresponding to an integrated luminosity of 1.0 fb−1 of pp collisions, recorded by the LHCb experiment in 2011 at a centre-of-mass energy of 7 TeV. The results are: τ eff J /ψK0 S = 1.75 ± 0.12 (stat) ± 0.07 (syst) ps and B(B0 s → J /ψK0 S ) = (1.97 ± 0.23) × 10−5. For the latter measurement, the uncertainty includes both statistical and systematic sources.

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https://doi.org/10.1016/j.nuclphysb.2013.04.021

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Física de partícules, Experiments, Gran Col·lisionador d'Hadrons

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Particle physics, Experiments, Large Hadron Collider (France and Switzerland)

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Articles publicats en revistes (Física Quàntica i Astrofísica)

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LHCb Collaboration, et al. Measurement of the effective Bs0→J/ψKS0 lifetime. Nuclear Physics B. 2013. Vol. 873, num. 2, pags. 275-292. ISSN 0550-3213. [consulted: 14 of October of 2026]. Available at: https://hdl.handle.net/2445/196207

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