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Measurement of the CP violating phase φ s in B- s 0→J/ψf0(980)

Abstract:

Measurement of mixing-induced CP violation in B-s0 decays is of prime importance in probing new physics. So far only the channel B- s 0→J/ψφ has been used. Here we report on a measurement using an LHCb data sample of 0.41 fb -1, in the CP odd eigenstate J/ψf 0(980), where f 0(980)→π +π -. A time-dependent fit of the data with the B-s0 lifetime and the difference in widths of the heavy and light eigenstates constrained to the values obtained from B-s0→J/ψφ yields a value of the CP violating ph...

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Authors


Abellan Beteta, C More by this author
Adinolfi, M More by this author
Adrover, C More by this author
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Journal:
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume:
707
Issue:
5
Pages:
497-505
Publication date:
2012-02-07
DOI:
ISSN:
0370-2693
URN:
uuid:ab0171e3-11e0-4b27-8cb9-a76fc52687cc
Source identifiers:
341418
Local pid:
pubs:341418

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