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Measurement of the Bc meson lifetime in the decay Bc -> J/ψπ

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review. D. 2013, vol. 87, no. 01, p. 011101
Abstract The lifetime of the B−c meson is measured using 272 exclusive B−c→J/ψ(→μ+μ−)π− decays reconstructed in data from proton-antiproton collisions corresponding to an integrated luminosity of 6.7  fb−1 recorded by the CDF II detector at the Fermilab Tevatron. The lifetime of the B−c meson is measured to be τ(B−c)=0.452±0.048(stat)±0.027(syst)  ps. This is the first measurement of the B−c meson lifetime in a fully reconstructed hadronic channel, and it agrees with previous results and has comparable precision.
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CDF COLLABORATION. Measurement of the Bc meson lifetime in the decay Bc -> J/ψπ. In: Physical Review. D, 2013, vol. 87, n° 01, p. 011101. https://archive-ouverte.unige.ch/unige:38869

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Deposited on : 2014-07-22

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