Angular analysis of the decay B+ →k+μ+μ- in proton-proton collisions at s =8 TeV

Sirunyan, AM; Tumasyan, A; Adam, W; Ambrogi, F; Asilar, E; Bergauer, T; Brandstetter, J; Brondolin, E; Dragicevic, M; Erö, J; Escalante Del Valle, A; Flechl, M; Frühwirth, R; Ghete, VM; Hrubec, J; Jeitler, M; Krammer, N; Krätschmer, I; Liko, D; Madlener, T; Mikulec, I; Rad, N; Rohringer, H; Schieck, J; Schöfbeck, R; Spanring, M; Spitzbart, D; Taurok, A; Waltenberger, W; Wittmann, J; Wulz, CE; Zarucki, M; Chekhovsky, V; Mossolov, V; Suarez Gonzalez, J; De Wolf, EA; Di Croce, D; Janssen, X; Lauwers, J; Pieters, M; Van De Klundert, M; Van Haevermaet, H; Van Mechelen, P; Van Remortel, N; Abu Zeid, S; Blekman, F; D'Hondt, J; De Bruyn, I; De Clercq, J; Deroover, K; Flouris, G; Lontkovskyi, D; Lowette, S; Marchesini, I; Moortgat, S; Moreels, L; Python, Q; Skovpen, K; Tavernier, S; Van Doninck, W; Van Mulders, P; Van Parijs, I; Beghin, D; Bilin, B; Brun, H; Clerbaux, B; De Lentdecker, G; Delannoy, H; Dorney, B; Fasanella, G; Favart, L; Goldouzian, R; Grebenyuk, A; Kalsi, AK; Lenzi, T; Luetic, J; Postiau, N; Starling, E; Thomas, L; Vander Velde, C; Vanlaer, P; Vannerom, D; Wang, Q; Cornelis, T; Dobur, D; Fagot, A; Gul, M; Khvastunov, I; Poyraz, D; Roskas, C; Trocino, D; Tytgat, M; Verbeke, W; Vermassen, B; Vit, M

Angular analysis of the decay B+ →k+μ+μ- in proton-proton collisions at s =8 TeV

Author(s): Sirunyan, AM; Tumasyan, A; Adam, W; Ambrogi, F; Asilar, E; et al

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Abstract:	© 2018 CERN. The angular distribution of the flavor-changing neutral current decay B+→K+μ+μ- is studied in proton-proton collisions at a center-of-mass energy of 8 TeV. The analysis is based on data collected with the CMS detector at the LHC, corresponding to an integrated luminosity of 20.5 fb-1. The forward-backward asymmetry AFB of the dimuon system and the contribution FH from the pseudoscalar, scalar, and tensor amplitudes to the decay width are measured as a function of the dimuon mass squared. The measurements are consistent with the standard model expectations.
Publication Date:	1-Dec-2018
Citation:	Sirunyan, AM, Tumasyan, A, Adam, W, Ambrogi, F, Asilar, E, Bergauer, T, Brandstetter, J, Brondolin, E, Dragicevic, M, Erö, J, Escalante Del Valle, A, Flechl, M, Frühwirth, R, Ghete, VM, Hrubec, J, Jeitler, M, Krammer, N, Krätschmer, I, Liko, D, Madlener, T, Mikulec, I, Rad, N, Rohringer, H, Schieck, J, Schöfbeck, R, Spanring, M, Spitzbart, D, Taurok, A, Waltenberger, W, Wittmann, J, Wulz, CE, Zarucki, M, Chekhovsky, V, Mossolov, V, Suarez Gonzalez, J, De Wolf, EA, Di Croce, D, Janssen, X, Lauwers, J, Pieters, M, Van De Klundert, M, Van Haevermaet, H, Van Mechelen, P, Van Remortel, N, Abu Zeid, S, Blekman, F, D'Hondt, J, De Bruyn, I, De Clercq, J, Deroover, K, Flouris, G, Lontkovskyi, D, Lowette, S, Marchesini, I, Moortgat, S, Moreels, L, Python, Q, Skovpen, K, Tavernier, S, Van Doninck, W, Van Mulders, P, Van Parijs, I, Beghin, D, Bilin, B, Brun, H, Clerbaux, B, De Lentdecker, G, Delannoy, H, Dorney, B, Fasanella, G, Favart, L, Goldouzian, R, Grebenyuk, A, Kalsi, AK, Lenzi, T, Luetic, J, Postiau, N, Starling, E, Thomas, L, Vander Velde, C, Vanlaer, P, Vannerom, D, Wang, Q, Cornelis, T, Dobur, D, Fagot, A, Gul, M, Khvastunov, I, Poyraz, D, Roskas, C, Trocino, D, Tytgat, M, Verbeke, W, Vermassen, B, Vit, M. (2018). Angular analysis of the decay B+ →k+μ+μ- in proton-proton collisions at s =8 TeV. Physical Review D, 98 (11), 10.1103/PhysRevD.98.112011
DOI:	doi:10.1103/PhysRevD.98.112011
ISSN:	2470-0010
EISSN:	2470-0029
Pages:	112011-1 - 112011-20
Type of Material:	Journal Article
Journal/Proceeding Title:	Physical Review D
Version:	Final published version. This is an open access article.

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