Search for the rare decay Λ[subscript c][superscript +] → pμ[superscript +]μ[superscript −]
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PhysRevD.97.091101.pdf
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Author(s)
Aaij, R.
Adeva, B.
Adinolfi, M.
Ajaltouni, Z.
Akar, S.
Albrecht, J.
Alessio, F.
Alexander, M.
Alfonso Albero, A.
Ali, S.
Date Issued
May 2018
Journal
Physical Review D
Publisher
American Physical Society
Citation
Aaij, R., et al. “Search for the Rare Decay Λ[subscript c][superscript +] → pμ[superscript +]μ[superscript −].” Physical Review D, vol. 97, no. 9, May 2018. © 2018 CERN, for the LHCb Collaboration
Version
Final published version
Abstract
A search for the flavor-changing neutral-current decay Λ[subscript c][superscript +]→pμ[superscript +]μ[superscript -] is reported using a data set corresponding to an integrated luminosity of 3.0 fb[superscript -1] collected by the LHCb Collaboration. No significant signal is observed outside of the dimuon mass regions around the ϕ and ω resonances, and an upper limit is placed on the branching fraction of B(Λ[subscript c][superscript +]→pμ[superscript +]μ[superscript -])<7.7(9.6)×10[superscript -8] at 90%(95%) confidence level. A significant signal is observed in the ω dimuon mass region for the first time.
MIT Department
Massachusetts Institute of Technology. Department of Physics
Massachusetts Institute of Technology. Laboratory for Nuclear Science
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DOI of Published Version
http://dx.doi.org/10.1103/PhysRevD.97.091101
