Using a proton-proton collision data sample collected by the LHCb detector and corresponding to an integrated luminosity of 5.7 fb(-1), the lifetime of the light B-s(0) mass eigenstate, tau(L), is measured using the B-s(0) -> J/psi eta decay mode to betau L = 1.445 +/- 0.016(stat) +/- 0.008(syst) ps.A combination of this result with a previous LHCb analysis using an independent dataset corresponding to 3 fb(-1) of integrated luminosity givestau(L) = 1.452 +/- 0.014 +/- 0.007 +/- 0.002 ps,where the first uncertainty is statistical, the second due to the uncorrelated part of the systematic uncertainty and the third due to the correlated part of the systematic uncertainty.
(2023). Measurement of τL using the Bs0→J/ψη decay mode [journal article - articolo]. In EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS. Retrieved from https://hdl.handle.net/10446/264074
Measurement of τL using the Bs0→J/ψη decay mode
Lupato, A.;Redi, F.;
2023-01-01
Abstract
Using a proton-proton collision data sample collected by the LHCb detector and corresponding to an integrated luminosity of 5.7 fb(-1), the lifetime of the light B-s(0) mass eigenstate, tau(L), is measured using the B-s(0) -> J/psi eta decay mode to betau L = 1.445 +/- 0.016(stat) +/- 0.008(syst) ps.A combination of this result with a previous LHCb analysis using an independent dataset corresponding to 3 fb(-1) of integrated luminosity givestau(L) = 1.452 +/- 0.014 +/- 0.007 +/- 0.002 ps,where the first uncertainty is statistical, the second due to the uncorrelated part of the systematic uncertainty and the third due to the correlated part of the systematic uncertainty.File | Dimensione del file | Formato | |
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