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

  • R. Aaij
  • , C.A. Beteta
  • , B. Adeva
  • , M. Adinolfi
  • , C. Adrover
  • , A. Affolder
  • , Z. Ajaltouni
  • , J. Albrecht
  • , F. Alessio
  • , M. Alexander
  • , S. Ali
  • , G. Alkhazov
  • , P.A. Cartelle
  • , A.A. Alves
  • , S. Amato
  • , S. Amerio
  • , Y. Amhis
  • , L. Anderlini
  • , J. Anderson
  • , R. Andreassen
  • R.B. Appleby, O.A. Gutierrez, E. Archilli, A. Artamonov, M. Artuso, E. Aslanides, G. Auriemma, S. Bachmann, J.J. Back, C. Baesso, V. Balagura, W. Baldini, R.J. Barlow, C. Barschel, S. Barsuk, W. Barter, T. Bauer, A. Bay, J. Beddow, F. Bedeschi, I. Bediaga, S. Belogurov, K. Belous, I. Belyaev, E. Ben-Haim, M. Benayoun, G. Bencivenni, S. Benson, J. Benton, A. Berezhnoy, J. van den Brand, Emily Greening*
*Corresponding author for this work

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

A search for non-resonant D-(s)(+) -> pi(+)mu(+)mu(-) and D-(s)(+) -> pi(-)mu(+)mu(+) decays is performed using protonproton collision data, corresponding to an integrated luminosity of 1.0 fb(-1), at root 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 found to beB(D+ -> pi(+)mu(+)mu(-)) < 7.3 (8.3) x 10(-8),B(D-s(+) -> pi(+)mu(+)mu(-)) < 4.1 (4.8) x 10(-7),B(D-s(+) -> pi(+)mu(+)mu(-)) < 2.2 (2.5) x 10(-8),B(D-s(+) -> pi(+)mu(+)mu(-)) < 1.2 (1.4) x 10(-7).These limits are the most stringent to date. (C) 2013 CERN. Published by Elsevier B.V. All rights reserved,
Original languageEnglish
Pages (from-to)203-212
Number of pages10
JournalPhysics Letters B
Volume724
Issue number4-5
DOIs
Publication statusPublished - 23 Jul 2013
Externally publishedYes

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