A blind analysis searching for the decay Bs0 -> mumu has been performed using proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. With an integrated luminosity of 2.4 fb^(-1) no excess of events over the background expectation is found and an upper limit is set on the branching fraction BR(Bs0 -> mu mu) < 2.2 (1.9) x10^(-8) at 95% (90%) confidence level.

G. AAD, E. ABAT, B. ABBOTT, J. ABDALLAH, A.A. ABDELALIM, A. ABDESSELAM, et al. (2012). Search for the decay Bs0 -> mu mu with the ATLAS detector. PHYSICS LETTERS. SECTION B, 713, 387-407 [10.1016/j.physletb.2012.06.013].

Search for the decay Bs0 -> mu mu with the ATLAS detector

BERTIN, ANTONIO;BINDI, MARCELLO;CAFORIO, DAVIDE;N. J. COOPER SMITH;DE CASTRO, STEFANO;DI SIPIO, RICCARDO;J. DODD;FABBRI, LAURA;FRANCHINI, MATTEO;MASSA, IGNAZIO GIACOMO;MENGARELLI, ALBERTO;MONZANI, SIMONE;P. NILSSON;PICCININI, MAURIZIO;W. G. PLANO;RINALDI, LORENZO;O. RUNOLFSSON;SBARRA, CARLA;SBRIZZI, ANTONIO;SEMPRINI CESARI, NICOLA;J. TREIS;VALENTINETTI, SARA;VILLA, MAURO;I. VIVARELLI;ZOCCOLI, ANTONIO;
2012

Abstract

A blind analysis searching for the decay Bs0 -> mumu has been performed using proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the LHC. With an integrated luminosity of 2.4 fb^(-1) no excess of events over the background expectation is found and an upper limit is set on the branching fraction BR(Bs0 -> mu mu) < 2.2 (1.9) x10^(-8) at 95% (90%) confidence level.
2012
G. AAD, E. ABAT, B. ABBOTT, J. ABDALLAH, A.A. ABDELALIM, A. ABDESSELAM, et al. (2012). Search for the decay Bs0 -> mu mu with the ATLAS detector. PHYSICS LETTERS. SECTION B, 713, 387-407 [10.1016/j.physletb.2012.06.013].
G. AAD; E. ABAT; B. ABBOTT; J. ABDALLAH; A.A. ABDELALIM; A. ABDESSELAM; O. ABDINOV; B. ABI; M. ABOLINS; H. ABRAMOWICZ; H. ABREU; E. ACERBI; B.S. ACHAR...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/127959
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