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Angular Analysis and Branching Fraction Measurement of the Decay B[superscript 0]→K[superscript ⁎0]μ[superscript +]μ[superscript −]

Author(s)
Apyan, Aram; Bauer, Gerry P; Busza, Wit; Cali, Ivan Amos; Di Matteo, Leonardo; Dutta, Valentina; Gomez-Ceballos, Guillelmo; Goncharov, Maxim; Gulhan, Doga Can; Klute, Markus; Levin, Andrew Michael; Luckey Jr, P David; Ma, Teng; Nahn, Steven; Paus, Christoph M. E.; Ralph, Duncan Kelley; Lai, Yue Shi; Roland, Christof E; Roland, Gunther M; Stephans, George S. F.; Stoeckli, Fabian; Sumorok, Konstanty C; Velicanu, Dragos Alexandru; Wolf, Roger; Wyslouch, Victoria; Yang, Mingming; Yilmaz, Yetkin; Yoon, Andrew; Zanetti, Marco; Kim, Y.; Chan, M.; ... Show more Show less
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Abstract
The angular distributions and the differential branching fraction of the decay B[superscipt 0] →K[superscript *] (892)[superscript 0] μ[superscript +]μ[superscript -] are studied using a data sample corresponding to an integrated luminosity of 5.2fb[superscript -1] collected with the CMS detector at the LHC in pp collisions at √s = 7TeV. From more than 400 signal decays, the forward-backward asymmetry of the muons, the K[superscript *] (892)[superscript 0] longitudinal polarization fraction, and the differential branching fraction are determined as a function of the square of the dimuon invariant mass. The measurements are in good agreement with standard model predictions.
Date issued
2011-02
URI
http://hdl.handle.net/1721.1/116503
Department
Massachusetts Institute of Technology. Department of Physics; Massachusetts Institute of Technology. Laboratory for Nuclear Science
Journal
Physics Letters B
Publisher
Elsevier BV
Citation
Chatrchyan, S., et al. “Angular Analysis and Branching Fraction Measurement of the Decay B[superscript 0]→K[superscript ⁎0]μ[superscript +]μ[superscript −].” Physics Letters B, vol. 727, no. 1–3, Nov. 2013, pp. 77–100. © 2013 CERN
Version: Final published version
ISSN
0370-2693

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