Studies of CP violation in the decay Bs → J/ψφ at DØ

Abstract

We report a measurement of the lifetime, decay rate difference and CP-violating phase for B0s mesons obtained from a flavour-tagged, time-dependent, angular analysis in a sample of 5598 ± 113 B0s → J/ψφ decays selected in a 8 fb−1 data sample of pp collisions at √s = 1.96TeV recorded with the DØ experiment at Fermilab

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