Search for the Rare Decay K[0 over S] → μ[superscript +]μ[superscript −]
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Williams_Search for the rare.pdf
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706.94 KB
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Author(s)
Williams, Michael
Date Issued
January 2013
Journal
Journal of High Energy Physics
Publisher
Springer-Verlag
Citation
Aaij, R., C. Abellan Beteta, A. Adametz, B. Adeva, M. Adinolfi, C. Adrover, A. Affolder, et al. “Search for the Rare Decay K[0 over S] → μ[superscript +]μ[superscript −].” J. High Energ. Phys. 2013, no. 1 (January 2013). © CERN, for the benefit of the LHCb collaboration
Version
Final published version
Abstract
A search for the decay K[0 over S] → μ[superscript +]μ[superscript −] is performed, based on a data sample of 1.0 fb[superscript −1] of pp collisions at √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 B(K[0 over S] → μ[superscript +]μ[superscript −]) < 11(9) × 10[superscript −9] at 95 (90)% confidence level. This limit is a factor of thirty below the previous measurement.
MIT Department
Massachusetts Institute of Technology. Department of Physics
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Creative Commons Attribution
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DOI of Published Version
https://doi.org/10.1007/JHEP01(2013)090
