Search for the rare decay K 0 S →μ + μ −

The LHCb Collaboration; Matthew Needham; Franz Muheim; Peter Clarke; Yuehong Xie; Stephan Eisenhardt

doi:10.1007/JHEP01(2013)090

Search for the rare decay K 0 S →μ + μ −

The LHCb Collaboration, Matthew Needham, Franz Muheim, Peter Clarke, Yuehong Xie, Stephan Eisenhardt

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

Abstract

A search for the decay K 0 S →μ + μ − is performed, based on a data sample of 1.0 fb−1 of pp collisions at s √ =7TeV 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 S →μ + μ − ) < 11(9) × 10−9 at 95 (90)% confidence level. This limit is a factor of thirty below the previous measurement.

Original language	English
Article number	90
Number of pages	17
Journal	Journal of High Energy Physics
Volume	2013
Issue number	1
Early online date	18 Sep 2012
DOIs	https://doi.org/10.1007/JHEP01(2013)090
Publication status	Published - Jan 2013

Keywords

Hadron
Hadron Scattering

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abstract = "A search for the decay K 0 S →μ + μ − is performed, based on a data sample of 1.0 fb−1 of pp collisions at s √ =7TeV 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 S →μ + μ − ) < 11(9) × 10−9 at 95 (90)% confidence level. This limit is a factor of thirty below the previous measurement.",

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AU - Clarke, Peter

AU - Xie, Yuehong

AU - Eisenhardt, Stephan

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AB - A search for the decay K 0 S →μ + μ − is performed, based on a data sample of 1.0 fb−1 of pp collisions at s √ =7TeV 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 S →μ + μ − ) < 11(9) × 10−9 at 95 (90)% confidence level. This limit is a factor of thirty below the previous measurement.

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KW - Hadron Scattering

U2 - 10.1007/JHEP01(2013)090

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JF - Journal of High Energy Physics

SN - 1126-6708

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Search for the rare decay K 0 S →μ + μ −

Abstract

Keywords

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