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Measurement of the Bs0 Lifetime in Fully and Partially Reconstructed Bs0 -> Ds-(ϕπ)X Decays in pp Collisions at √s=1.96  TeV

CollaborationWith : Clark, Allan Geoffrey / Garcia Navarro, Jose Enrique / Lister, Alison / Wu, Xin
Published in Physical Review Letters. 2011, vol. 107, no. 27, p. 272001
Abstract We present a measurement of the B0s lifetime in fully and partially reconstructed B0s→D−s(ϕπ−)X decays in 1.3  fb−1 collected in pp collisions at s√=1.96  TeV by the CDF II detector at the Fermilab Tevatron. We measure τ(B0s)=1.518±0.041(stat)±0.027(syst)  ps. The ratio of this result and the world average B0 lifetime yields τ(B0s)/τ(B0)=0.99±0.03, which is in agreement with recent theoretical predictions.
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CDF COLLABORATION. Measurement of the Bs0 Lifetime in Fully and Partially Reconstructed Bs0 -> Ds-(ϕπ)X Decays in pp Collisions at √s=1.96  TeV. In: Physical Review Letters, 2011, vol. 107, n° 27, p. 272001. https://archive-ouverte.unige.ch/unige:38683

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Deposited on : 2014-07-15

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