The first measurement of the lifetime of the doubly charmed baryon Xi(++)(cc) is presented, with the signal reconstructed in the final state Lambda K-+(c)-pi(+)pi(+). The data sample used corresponds to an integrated luminosity of 1.7 fb(-1), collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV. The Xi(++)(cc) lifetime is measured to be 0.256(-0.022)(+0.024) (stat) +/- 0.014(syst) ps.
Aaij, R., Adeva, B., Adinolfi, M., Aidala, C.a., Ajaltouni, Z., Akar, S., et al. (2018). Measurement of the Lifetime of the Doubly Charmed Baryon Xi(++)(cc). PHYSICAL REVIEW LETTERS, 121(5) [10.1103/PhysRevLett.121.052002].
Measurement of the Lifetime of the Doubly Charmed Baryon Xi(++)(cc)
Archilli, F.;Santovetti, E.Membro del Collaboration Group
;
2018-01-01
Abstract
The first measurement of the lifetime of the doubly charmed baryon Xi(++)(cc) is presented, with the signal reconstructed in the final state Lambda K-+(c)-pi(+)pi(+). The data sample used corresponds to an integrated luminosity of 1.7 fb(-1), collected by the LHCb experiment in proton-proton collisions at a center-of-mass energy of 13 TeV. The Xi(++)(cc) lifetime is measured to be 0.256(-0.022)(+0.024) (stat) +/- 0.014(syst) ps.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
