Abstract
The branching fraction of the rare decay B-0 -> K*(0) e(+) e(-) in the dilepton mass region from 30 to 1000 MeV/c(2) has been measured by the LHCb experiment, using pp collision data, corresponding to an integrated luminosity of 1.0 fb(-1), at a centre-of-mass energy of 7 TeV. The decay mode B-0 -> J/psi (e(+) e(-)) K*(0) is utilized as a normalization channel. The branching fraction B(B-0 -> K*(0) e(+) e(-)) is measured to beB(B-0 -> K*(0) e(+) e(-))(30-1000 MeV/c2) = (3.1(-0.8)(-0.3)(+0.9)(+0.2) +/- 0.2) x 10(-7)where the fi rst error is statistical, the second is systematic, and the third comes from the uncertainties on the B-0 -> J/K*(0) and J/psi -> e(+) e(-) branching fractions.
Original language | English |
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Article number | 159 |
Number of pages | 18 |
Journal | Journal of High Energy Physics |
Issue number | 5 |
DOIs | |
Publication status | Published - 1 May 2013 |
Externally published | Yes |
Keywords
- Rare decay
- Hadron-Hadron Scattering
- Branching fraction
- B physics
- Flavour Changing Neutral Currents
- DECAY
- TOOL