Measurement of the ratio B(Bs 0 → J/ψf0(980))/B(Bs 0 → J/ψφ(1020)) in pp collisions at √s=7 TeV

Khachatryan, V; Sirunyan, AM; Tumasyan, A; Adam, W; Bergauer, T; Dragicevic, M; Erö, J; Friedl, M; Frühwirth, R; Ghete, VM; Hartl, C; Hörmann, N; Hrubec, J; Jeitler, M; Kiesenhofer, W; Knünz, V; Krammer, M; Krätschmer, I; Liko, D; Mikulec, I; Rabady, D; Rahbaran, B; Rohringer, H; Schöfbeck, R; Strauss, J; Treberer-Treberspurg, W; Waltenberger, W; Wulz, CE; Mossolov, V; Shumeiko, N; Suarez Gonzalez, J; Alderweireldt, S; Bansal, S; Cornelis, T; De Wolf, EA; Janssen, X; Knutsson, A; Lauwers, J; Luyckx, S; Ochesanu, S; Rougny, R; Van De Klundert, M; Van Haevermaet, H; Van Mechelen, P; Van Remortel, N; Van Spilbeeck, A; Blekman, F; Blyweert, S; D'Hondt, J; Daci, N; Heracleous, N; Keaveney, J; Lowette, S; Maes, M; Olbrechts, A; Python, Q; Strom, D; Tavernier, S; Van Doninck, W; Van Mulders, P; Van Onsem, GP; Villella, I; Caillol, C; Clerbaux, B; De Lentdecker, G; Dobur, D; Favart, L; Gay, APR; Grebenyuk, A; Léonard, A; Mohammadi, A; Perniè, L; Randle-conde, A; Reis, T; Seva, T; Thomas, L; Vander Velde, C; Vanlaer, P; Wang, J; Zenoni, F; Adler, V; Beernaert, K; Benucci, L; Cimmino, A; Costantini, S; Crucy, S; Fagot, A; Garcia, G; Mccartin, J; Ocampo Rios, AA; Poyraz, D; Ryckbosch, D; Salva Diblen, S; Sigamani, M

Please use this identifier to cite or link to this item: http://bura.brunel.ac.uk/handle/2438/12514

Title:	Measurement of the ratio B(Bs 0 → J/ψf0(980))/B(Bs 0 → J/ψφ(1020)) in pp collisions at √s=7 TeV
Authors:	Khachatryan, V Sirunyan, AM Tumasyan, A Adam, W Bergauer, T Dragicevic, M Erö, J Friedl, M Frühwirth, R Ghete, VM Hartl, C Hörmann, N Hrubec, J Jeitler, M Kiesenhofer, W Knünz, V Krammer, M Krätschmer, I Liko, D Mikulec, I Rabady, D Rahbaran, B Rohringer, H Schöfbeck, R Strauss, J Treberer-Treberspurg, W Waltenberger, W Wulz, CE Mossolov, V Shumeiko, N Suarez Gonzalez, J Alderweireldt, S Bansal, S Cornelis, T De Wolf, EA Janssen, X Knutsson, A Lauwers, J Luyckx, S Ochesanu, S Rougny, R Van De Klundert, M Van Haevermaet, H Van Mechelen, P Van Remortel, N Van Spilbeeck, A Blekman, F Blyweert, S D'Hondt, J Daci, N Heracleous, N Keaveney, J Lowette, S Maes, M Olbrechts, A Python, Q Strom, D Tavernier, S Van Doninck, W Van Mulders, P Van Onsem, GP Villella, I Caillol, C Clerbaux, B De Lentdecker, G Dobur, D Favart, L Gay, APR Grebenyuk, A Léonard, A Mohammadi, A Perniè, L Randle-conde, A Reis, T Seva, T Thomas, L Vander Velde, C Vanlaer, P Wang, J Zenoni, F Adler, V Beernaert, K Benucci, L Cimmino, A Costantini, S Crucy, S Fagot, A Garcia, G Mccartin, J Ocampo Rios, AA Poyraz, D Ryckbosch, D Salva Diblen, S Sigamani, M
Issue Date:	2016
Publisher:	Elsevier
Citation:	Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 756: pp. 84 - 102, (2016)
Abstract:	A measurement of the ratio of the branching fractions of the Bs0 meson to J/ψf0(980) and to J/ψφ(1020) is presented. The J/ψ, f0(980), and φ(1020) are observed through their decays to μ+μ-, π+π-, and K+K-, respectively. The f0 and the φ are identified by requiring \|Mπ+π--974 MeV\|<50 MeV and \|MK+K--1020 MeV\|<10 MeV. The analysis is based on a data sample of pp collisions at a centre-of-mass energy of 7 TeV, collected by the CMS experiment at the LHC, corresponding to an integrated luminosity of 5.3 fb-1. The measured ratio is B(Bs 0→J/ψf0)B(f0→π+π-)/B(Bs 0→J/ψφ)B(φ→K+K-) = 0.140±0.008(stat) ± 0.023(syst), where the first uncertainty is statistical and the second is systematic.
URI:	http://www.sciencedirect.com/science/article/pii/S037026931600143X http://bura.brunel.ac.uk/handle/2438/12514
DOI:	http://dx.doi.org/10.1016/j.physletb.2016.02.047
ISSN:	0370-2693
Appears in Collections:	Dept of Electronic and Electrical Engineering Research Papers

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