Publication

Measurement of the B-c(+) meson lifetime using B-c(+) -> J/psi mu(+)nu X-mu decays

Olivier Schneider, Aurelio Bay, Guido Haefeli, Tatsuya Nakada, Frédéric Blanc, Yasmine Sara Amhis, Julien Rouvinet, Barinjaka Rakotomiaramanana, Raluca Anca Muresan, Johan Luisier
2014
Journal Articles

Abstract

The lifetime of the B-c(+) meson is measured using semileptonic decays having a J/psi meson and a muon in the final state. The data, corresponding to an integrated luminosity of 2 fb(-1), are collected by the LHCb detector in collisions at a centre-of-mass energy of 8 TeV. The measured lifetime is tau = 509 +/- 8 +/- 12 fs, where the first uncertainty is statistical and the second is systematic.

Official source

https://infoscience.epfl.ch/entities/publication/10212dff-4176-4fb8-bb94-5322094dfcbb

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Measurement of the B-c(+) meson lifetime using B-c(+) -> J/psi mu(+)nu X-mu decays

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