Search for D+(s) to pi+ mu+ mu- and D+(s) to pi- mu+ mu+ decays - IN2P3 - Institut national de physique nucléaire et de physique des particules Access content directly
Journal Articles Physics Letters B Year : 2013

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

R. Aaij
  • Function : Author
J. He
J. Cogan
O. Leroy
J. Serrano

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.

Dates and versions

in2p3-00817215 , version 1 (24-04-2013)

Identifiers

Cite

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, 2013, 724, pp.203-212. ⟨10.1016/j.physletb.2013.06.010⟩. ⟨in2p3-00817215⟩
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