Angular analysis of the decay B+-> K*(892)(+)mu(+)mu(-) in proton-proton collisions at root s=8 TeV

The CMS Collaboration, A. M. Sirunyan, A. Tumasyan, P. Eerola, Laurent Forthomme, H. Kirschenmann, K. Österberg, M. Voutilainen, Erik Brücken, F. Garcia, J. Havukainen, Jaana Heikkilä, V. Karimäki, Minsuk Kim, R. Kinnunen, Matti Kortelainen, T. Lampén, K. Lassila-Perini, Santeri Laurila, S. LehtiT. Lindén, P. Luukka, Juska Pekkanen, H. Siikonen, E. Tuominen, J. Tuominiemi, Jussi Viinikainen, T. Tuuva

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Angular distributions of the decay B+-> K*(892)(+)mu(+)mu(-) are studied using events collected with the CMS detector in root s = 8 TeV proton-proton collisions at the LHC, corresponding to an integrated luminosity of 20.0 fb(-1). The forward-backward asymmetry of the muons and the longitudinal polarization of the K*(892)(+) meson are determined as a function of the square of the dimuon invariant mass. These are the first results from this exclusive decay mode and are in agreement with a standard model prediction.

Original languageEnglish
Article number124
JournalJournal of High Energy Physics
Issue number4
Number of pages35
Publication statusPublished - 14 Apr 2021
MoE publication typeA1 Journal article-refereed

Fields of Science

  • 114 Physical sciences

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