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Measurement of Bs0 mixing parameters from the flavor-tagged decay Bs0-->J/psiphi.

Abstract:

From an analysis of the flavor-tagged decay Bs0-->J/psiphi we obtain the width difference between the Bs0 light and heavy mass eigenstates, DeltaGammas = 0.19+/-0.07(stat)(-0.01)+0.02(syst) ps(-1), and the CP-violating phase, phi s= -0.57(-0.30)+0.24(stat)(-0.02)+0.08(syst). The allowed 90% CL intervals of DeltaGammas and phi s are 0.06 < DeltaGammas < 0.30 ps(-1) and -1.20 < phi s < 0.06, respectively. The data sample corresponds to an integrated luminosity of 2.8 fb(-1) accum...

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Authors


Abazov, VM More by this author
Abolins, M More by this author
Acharya, BS More by this author
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Journal:
Physical review letters
Volume:
101
Issue:
24
Pages:
241801
Publication date:
2008-12-05
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
URN:
uuid:2aa80cb8-5040-4522-9aaa-83ca448a86a0
Source identifiers:
180068
Local pid:
pubs:180068
Language:
English
Keywords:

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