Differential branching fraction and angular moments analysis of the decay B 0 → K +π- μ + μ - in the K 0,2 ∗ (1430)0 region
Abstract
Measurements of the differential branching fraction and angular moments of the decay B 0 → K +π- μ + μ - in the K +π- invariant mass range 1330 < m( K +π-) < 1530 MeV /c 2 are presented. Proton-proton collision data are used, corresponding to an integrated luminosity of 3 fb-1 collected by the LHCb experiment. Differential branching fraction measurements are reported in five bins of the invariant mass squared of the dimuon system, q 2, between 0 .1 and 8 .0 GeV2 /c 4. For the first time, an angular analysis sensitive to the S-, P- and D-wave contributions of this rare decay is performed. The set of 40 normalised angular moments describing the decay is presented for the q 2 range 1 .1-6 .0 GeV2 /c 4. [Figure not available: see fulltext.]
- Publication:
-
Journal of High Energy Physics
- Pub Date:
- December 2016
- DOI:
- 10.1007/JHEP12(2016)065
- Bibcode:
- 2016JHEP...12..065A
- Keywords:
-
- FCNC Interaction;
- Flavor physics;
- B physics;
- Rare decay;
- Hadron-Hadron scattering (experiments)