TY  - JOUR
AU  - BABAR Collaboration (Lees, J. P. et al
AU  - Martinez-Vidal, F.
AU  - Oyanguren, A.
PY  - 2012
DA  - 2012//
TI  - Exclusive measurements of b -> s gamma transition rate and photon energy spectrum
T2  - Phys. Rev. D
JO  - Physical Review D
SP  - 052012
EP  - 16pp
VL  - 86
IS  - 5
PB  - Amer Physical Soc
AB  - We use 429 fb(-1) of e(+)e(-) collision data collected at the Gamma(4S) resonance with the BABAR detector to measure the radiative transition rate of b -> s gamma with a sum of 38 exclusive final states. The inclusive branching fraction with a minimum photon energy of 1.9 GeV is found to be B((B) over bar -> X-s gamma) = (3.29 +/- 0.19 +/- 0.48) x 10(-4) where the first uncertainty is statistical and the second is systematic. We also measure the first and second moments of the photon energy spectrum and extract the best-fit values for the heavy-quark parameters, m(b) and mu(2)(pi), in the kinetic and shape function models.
SN  - 1550-7998
UR  - http://arxiv.org/abs/arXiv:1207.2520
UR  - https://doi.org/10.1103/PhysRevD.86.052012
DO  - 10.1103/PhysRevD.86.052012
LA  - English
N1  - WOS:000309241400005
ID  - BABARCollaborationLees_etal2012
ER  -