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http://hdl.handle.net/2445/185639| Title: | Measurement of the Xi(-)(b) and Omega(-)(b) baryon lifetimes |
| Author: | Camboni, Alessandro Garrido Beltrán, Lluís Graciani Díaz, Ricardo Graugés Pous, Eugeni Marin Benito, Carla Picatoste Olloqui, E. Rives Molina, V. Ruiz, Hugo LHCb Collaboration |
| Keywords: | Hadrons Gran Col·lisionador d'Hadrons Física de partícules Experiments Hadrons Large Hadron Collider (France and Switzerland) Particle physics Experiments |
| Issue Date: | Sep-2014 |
| Publisher: | Elsevier B.V. |
| Abstract: | Using a data sample of pp collisions corresponding to an integrated luminosity of 3 fb−1 , the Ξ − b and Ω − b baryons are reconstructed in the Ξ − b → J/ψ Ξ− and Ω − b → J/ψ Ω− decay modes and their lifetimes measured to be τ (Ξ − b ) = 1.55 +0.10 −0.09 (stat) ± 0.03 (syst) ps, τ (Ω − b ) = 1.54 +0.26 −0.21 (stat) ± 0.05 (syst) ps. These are the most precise determinations to date. Both measurements are in good agreement with previous experimental results and with theoretical predictions. |
| Note: | Reproducció del document publicat a: https://doi.org/10.1016/j.physletb.2014.06.064 |
| It is part of: | Physics Letters B, 2014, vol. 736, p. 154-162 |
| URI: | http://hdl.handle.net/2445/185639 |
| Related resource: | https://doi.org/10.1016/j.physletb.2014.06.064 |
| ISSN: | 0370-2693 |
| Appears in Collections: | Articles publicats en revistes (Física Quàntica i Astrofísica) |
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