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http://hdl.handle.net/2445/132622
Title: | Measurement of the Ωc0 Baryon Lifetime |
Author: | Alfonso Albero, Alejandro Calvo Gómez, Míriam Camboni, Alessandro Coquereau, Samuel Garrido Beltrán, Lluís Gascón Fora, David Graciani Díaz, Ricardo Graugés Pous, Eugeni Vilasis-Cardona, Xavier Marin Benito, Carla |
Keywords: | Física de partícules Experiments Particle physics Experiments |
Issue Date: | 31-Aug-2018 |
Publisher: | American Physical Society |
Abstract: | We report a measurement of the lifetime of the Ω 0 c baryon using proton-proton collision data at center-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of 3.0 fb − 1 collected by the LHCb experiment. The sample consists of about 1000 Ω − b → Ω 0 c μ − ¯ ν μ X signal decays, where the Ω 0 c baryon is detected in the p K − K − π + final state and X represents possible additional undetected particles in the decay. The Ω 0 c lifetime is measured to be τ Ω 0 c = 268 ± 24 ± 10 ± 2 fs , where the uncertainties are statistical, systematic, and from the uncertainty in the D + lifetime, respectively. This value is nearly four times larger than, and inconsistent with, the current world-average value. |
Note: | Reproducció del document publicat a: https://doi.org/10.1103/PhysRevLett.121.092003 |
It is part of: | Physical Review Letters, 2018, vol. 121, num. 9, p. 092003 |
URI: | http://hdl.handle.net/2445/132622 |
Related resource: | https://doi.org/10.1103/PhysRevLett.121.092003 |
ISSN: | 0031-9007 |
Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) Articles publicats en revistes (Enginyeria Electrònica i Biomèdica) Articles publicats en revistes (Institut de Ciències del Cosmos (ICCUB)) |
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