A search for the decays B-s(0) -> mu(+)mu(-) and B-0 -> mu(+)mu(-) is performed with 0.37 fb(-1) of pp collisions at root s = 7 TeV collected by the LHCb experiment in 2011. The upper limits on the branching fractions are B(B-s(0) -> mu(+)mu(-)) < 1.6 x 10(-8) and B(B-0 -> mu(+)mu(-)) < 3.6 x 10(-9) at 95% confidence level. A combination of these results with the LHCb limits obtained with the 2010 dataset leads to B(B-s(0) -> mu(+)mu(-)) < 1.4 x 10(-8) and B(B-0 -> mu(+)mu(-)) < 3.2 x 10(-9) at 95% confidence level. (C) 2012 CERN

Aaij, R., Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., et al. (2012). Search for the rare decays B-s(0) -> mu(+)mu(-) and B-0 -> mu(+)mu(-). PHYSICS LETTERS. SECTION B, 708(1-2), 55-67 [10.1016/j.physletb.2012.01.038].

Search for the rare decays B-s(0) -> mu(+)mu(-) and B-0 -> mu(+)mu(-)

CALVI, MARTA;KHANJI, BASEM;KUCHARCZYK, MARCIN;PEREGO, DAVIDE LUIGI;PESSINA, GIANLUIGI EZIO;
2012

Abstract

A search for the decays B-s(0) -> mu(+)mu(-) and B-0 -> mu(+)mu(-) is performed with 0.37 fb(-1) of pp collisions at root s = 7 TeV collected by the LHCb experiment in 2011. The upper limits on the branching fractions are B(B-s(0) -> mu(+)mu(-)) < 1.6 x 10(-8) and B(B-0 -> mu(+)mu(-)) < 3.6 x 10(-9) at 95% confidence level. A combination of these results with the LHCb limits obtained with the 2010 dataset leads to B(B-s(0) -> mu(+)mu(-)) < 1.4 x 10(-8) and B(B-0 -> mu(+)mu(-)) < 3.2 x 10(-9) at 95% confidence level. (C) 2012 CERN
Articolo in rivista - Articolo scientifico
Heavy Flavour Physics, LHC Collider
English
55
67
13
Aaij, R., Beteta, C., Adeva, B., Adinolfi, M., Adrover, C., Affolder, A., et al. (2012). Search for the rare decays B-s(0) -> mu(+)mu(-) and B-0 -> mu(+)mu(-). PHYSICS LETTERS. SECTION B, 708(1-2), 55-67 [10.1016/j.physletb.2012.01.038].
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