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Measurement of the effective B_s^0 -> J/ψ K_S^0 lifetime

Abstract:

This paper reports the first measurement of the effective B_s^0 -> J/{\psi} K_S^0 lifetime and an updated measurement of its time-integrated branching fraction. Both measurements are performed with a data sample, corresponding to an integrated luminosity of 1.0 fb^{-1} of pp collisions, recorded by the LHCb experiment in 2011 at a centre-of-mass energy of 7 TeV. The results are: tau_J/{\psi}K_S^0 = 1.75 +/- 0.12 (stat) +/- 0.07 (syst) and BR(B_s^0 -> J/{\psi} K_S^0) = (1.97 +/- 0.23) ...

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Publication status:
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Authors


collaboration, L More by this author
Beteta, CA More by this author
Adinolfi, M More by this author
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Journal:
Nuclear Physics, Section B 873 (2013), pp. 275-292
Volume:
716
Issue:
3-5
Pages:
393-400
Publication date:
2013-04-16
DOI:
ISSN:
0370-2693
URN:
uuid:6e50d223-1c6d-41c2-bf9e-ab628a162abd
Source identifiers:
244706
Local pid:
pubs:244706
Keywords:

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