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Search for D+(s) to pi+ mu+ mu- and D+(s) to pi- mu+ mu+ decays

Abstract : A search for non-resonant D+(s) to pi+mu+mu- and D+(s) to pi-mu+mu+ decays is performed using proton-proton collision data, corresponding to an integrated luminosity of 1.0 fb-1, at sqrt(s) = 7 TeV recorded by the LHCb experiment in 2011. No signals are observed and the 90% (95%) confidence level (CL) limits on the branching fractions are B(D+ to pi+mu+mu-) < 7.3 (8.3) x 10-8, B(Ds+ to pi+mu+mu-) < 4.1 (4.8) x 10-7, B(D+ to pi-mu+mu+) < 2.2 (2.5) x 10-8, B(Ds+ to pi-mu+mu+) < 1.2 (1.4) x 10-7. These limits are the most stringent to date.
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Submitted on : Wednesday, April 24, 2013 - 10:10:05 AM
Last modification on : Sunday, June 26, 2022 - 11:58:39 AM

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R. Aaij, Y. Amhis, S. Barsuk, O. Callot, J. He, et al.. Search for D+(s) to pi+ mu+ mu- and D+(s) to pi- mu+ mu+ decays. Physics Letters B, Elsevier, 2013, 724, pp.203-212. ⟨10.1016/j.physletb.2013.06.010⟩. ⟨in2p3-00817215⟩



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