Angular analysis of the decay B-0 -˃ K*(0)mu(+)mu(-) from pp collisions at root s=8 TeV

Title
Angular analysis of the decay B-0 -˃ K*(0)mu(+)mu(-) from pp collisions at root s=8 TeV
Author
김태정
Keywords
CMS; Physics; B0 decays
Issue Date
2016-02
Publisher
ELSEVIER SCIENCE BV
Citation
PHYSICS LETTERS B, v. 753, Page. 424-448
Abstract
The angular distributions and the differential branching fraction of the decay B-0 -˃ K*(892)(0)mu(+)mu(-) are studied using data corresponding to an integrated luminosity of 20.5 fb(-1) collected with the CMS detector at the LHC in pp collisions at root s = 8 TeV. From 1430 signal decays, the forward-backward asymmetry of the muons, the K*(892)(0) longitudinal polarization fraction, and the differential branching fraction are determined as a function of the dimuon invariant mass squared. The measurements are among the most precise to date and are in good agreement with standard model predictions. (C) 2015 CERN for the benefit of the CMS Collaboration. Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/).
URI
http://www.sciencedirect.com/science/article/pii/S0370269315009685http://hdl.handle.net/20.500.11754/33931
ISSN
0370-2693; 1873-2445
DOI
10.1016/j.physletb.2015.12.020
Appears in Collections:
COLLEGE OF NATURAL SCIENCES[S](자연과학대학) > PHYSICS(물리학과) > Articles
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