Angular analyses of b → sll  transitions at CMS. (January 2019)

• Record Type: Journal Article
• Authors: Li, Linwei
• Other Names: collab.
• Is Part Of: Journal of physics. Volume 1137(2018)
• Publication Date: 2019-01
• Subjects: Physics -- Congresses; 530.5
• DOI: 10.1088/1742-6596/1137/1/012051
• Languages: English
• ISSNs: 1742-6588

Abstract

Abstract: The flavour changing neutral current decays are interesting probes for searching for new physics. Angular distributions of b → sℓ + ℓ − transition processes of both B 0 → K *0 µ + µ − and B + → K + µ + µ − are studied using a sample of proton-proton collisions at s = 8 TeV collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 20.5 fb −1 . Angular analyses are performed to determine P 1 and P ′ 5 angular parameters for B 0 → K *0 µ + µ − and AFB and FH parameters for B + → K + µ + µ −, all as functions of the dimuon invariant mass squared. All of the measurements are consistent with the standard model predictions.