Measurement of the B-s(0) -> J/Psi eta lifetime

Bonivento W.;Bursche A.;Cardini A.;Chen S.;Dettori F.;Lai A.;Manca G.;Oldeman R.;Saitta B.;
2016-01-01

Abstract

Using a data set corresponding to an integrated luminosity of 3 fb−1, collected by the LHCb experiment in pp collisions at centre-of-mass energies of 7 and 8 TeV, the effective lifetime in the Bs 0→J/ψη decay mode, τeff, is measured to beτeff=1.479±0.034 (stat)±0.011 (syst) ps. Assuming CP conservation, τeff corresponds to the lifetime of the light Bs 0 mass eigenstate. This is the first measurement of the effective lifetime in this decay mode.
2016
Inglese
762
484
492
9
Comitato scientifico
scientifica
Aaij, R.; Adeva, B.; Adinolfi, M.; Ajaltouni, Z.; Akar, S. Albrecht J.; Alessio, F.; Alexander, M.; Ali, S.; Alkhazov, G.; Cartelle P., Alvarez; Alves ...espandi
1.1 Articolo in rivista
info:eu-repo/semantics/article
1 Contributo su Rivista::1.1 Articolo in rivista
262
723
none
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