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Measurement of the B0/s→J/ψη lifetime

Abstract:
Using a data set corresponding to an integrated luminosity of 3 fb−1, collected by the LHCb experiment in pp collisions at centre-of-mass energies of 7 and 8 TeV, the effective lifetime in the Bs0→J/ψη decay mode, τeff, is measured to beτeff=1.479±0.034 (stat)±0.011 (syst) ps. Assuming CP conservation, τeff corresponds to the lifetime of the light Bs0 mass eigenstate. This is the first measurement of the effective lifetime in this decay mode.
Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1016/j.physletb.2016.10.006

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Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Physics
Role:
Author
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Publisher:
Elsevier Publisher's website
Journal:
Physics Letters B Journal website
Volume:
762
Pages:
484-492
Publication date:
2016-10-11
Acceptance date:
2016-10-04
DOI:
EISSN:
1873-2445
ISSN:
0370-2693
Pubs id:
pubs:655999
URN:
uri:602386c7-debe-4348-a228-fd7d81bf7178
UUID:
uuid:602386c7-debe-4348-a228-fd7d81bf7178
Local pid:
pubs:655999
Keywords:

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