Search for the rare decay K^0_S -> mu+ mu-

Abstract : A search for the decay KS -> mu+ mu- is performed, based on a data sample of 1.0 fb^-1 of pp collisions at \sqrt{s}=7 TeV collected by the LHCb experiment at the Large Hadron Collider. The observed number of candidates is consistent with the background-only hypothesis, yielding an upper limit of BR(KS -> mu+ mu-) < 11 (9) x 10^-9 at 95 (90)% confidence level. This limit is a factor of thirty below the previous measurement.
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Journal of High Energy Physics, Springer, 2013, 01, pp.090. <10.1007/JHEP01(2013)090>
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http://hal.in2p3.fr/in2p3-00733658
Contributeur : Sabine Starita <>
Soumis le : mercredi 19 septembre 2012 - 10:54:52
Dernière modification le : lundi 29 mai 2017 - 14:31:39

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R. Aaij, S. Barsuk, O. Callot, J. He, B. Jean-Marie, et al.. Search for the rare decay K^0_S -> mu+ mu-. Journal of High Energy Physics, Springer, 2013, 01, pp.090. <10.1007/JHEP01(2013)090>. <in2p3-00733658>

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