Measurement of the B_s^0 to J/psi K_S^0 branching fraction

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

doi:10.1016/j.physletb.2012.05.062

Measurement of the B_s^0 to J/psi K_S^0 branching fraction

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

The B0s→J/ψK0S branching fraction is measured in a data sample corresponding to 0.41fb−1 of integrated luminosity collected with the LHCb detector at the LHC. This channel is sensitive to the penguin contributions affecting the sin2β measurement from B0→J/ψK0S The time-integrated branching fraction is measured to be BF(B0s→J/ψK0S)=(1.83±0.28)×10−5. This is the most precise measurement to date.

Original language	English
Pages (from-to)	172-179
Number of pages	8
Journal	Physics Letters B
Volume	B713
Early online date	4 May 2012
DOIs	https://doi.org/10.1016/j.physletb.2012.05.062
Publication status	Published - 9 Jul 2012

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abstract = "The B0s→J/ψK0S branching fraction is measured in a data sample corresponding to 0.41fb−1 of integrated luminosity collected with the LHCb detector at the LHC. This channel is sensitive to the penguin contributions affecting the sin2β measurement from B0→J/ψK0S The time-integrated branching fraction is measured to be BF(B0s→J/ψK0S)=(1.83±0.28)×10−5. This is the most precise measurement to date.",

author = "Stephen Playfer and {The LHCb Collaboration} and Matthew Needham and Franz Muheim and Peter Clarke and Yuehong Xie and Stephan Eisenhardt",

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AU - Playfer, Stephen

AU - The LHCb Collaboration

AU - Needham, Matthew

AU - Muheim, Franz

AU - Clarke, Peter

AU - Xie, Yuehong

AU - Eisenhardt, Stephan

PY - 2012/7/9

Y1 - 2012/7/9

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AB - The B0s→J/ψK0S branching fraction is measured in a data sample corresponding to 0.41fb−1 of integrated luminosity collected with the LHCb detector at the LHC. This channel is sensitive to the penguin contributions affecting the sin2β measurement from B0→J/ψK0S The time-integrated branching fraction is measured to be BF(B0s→J/ψK0S)=(1.83±0.28)×10−5. This is the most precise measurement to date.

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DO - 10.1016/j.physletb.2012.05.062

M3 - Article

SN - 1873-2445

VL - B713

SP - 172

EP - 179

JO - Physics Letters B

JF - Physics Letters B

ER -

Measurement of the B_s^0 to J/psi K_S^0 branching fraction

Abstract

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