Measurement of the lifetime of the $B_c^\pm$ meson in the semileptonic decay channel
(2009) Physical Review Letters — Vol. 102 (2009)
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- et. al.
- Abstract
- Using approximately 1.3 fb-1 of data collected by the D0 detector between 2002 and 2006, we measure the lifetime of the B_c meson in the B_c -> J/psi mu nu X final state. A simultaneous unbinned likelihood fit to the J/\psi+mu invariant mass and lifetime distributions yields a signal of 881 +/- 80 (stat) candidates and a lifetime measurement of \tau(B_c) = 0.448 +0.038 -0.036 (stat) +/- 0.032 (syst) ps.
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Citations
Tanasijczuk, A. J., D0, & et al. (2009). Measurement of the lifetime of the $B_c^\pm$ meson in the semileptonic decay channel. Physical Review Letters, 102. https://doi.org/10.1103/PhysRevLett.102.092001 (Original work published 2009)