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- W1563610664 abstract "We measure the Λb0 lifetime in the fully reconstructed decay Λb0→J/ψΛ0 using 10.4 fb−1 of pp¯ collisions collected with the D0 detector at s=1.96 TeV. The lifetime of the topologically similar decay channel B0→J/ψKS0 is also measured. We obtain τ(Λb0)=1.303±0.075(stat)±0.035(syst) ps and τ(B0)=1.508±0.025(stat)±0.043(syst) ps. Using these measurements, we determine the lifetime ratio of τ(Λb0)/τ(B0)=0.864±0.052(stat)±0.033(syst).Received 13 April 2012DOI:https://doi.org/10.1103/PhysRevD.85.112003© 2012 American Physical Society" @default.
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