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First observation of the rare purely baryonic decay B0 → pp¯

Abstract:

The first observation of the decay of a B0 meson to a purely baryonic final state, B0→pp¯ , is reported. The proton-proton collision data sample used was collected with the LHCb experiment at center-of-mass energies of 7 and 8 TeV and corresponds to an integrated luminosity of 3.0 fb^−1. The branching fraction is determined to be B(B0→pp¯)=(1.25±0.27±0.18)×10^−8, where the first uncertainty is statistical and the second systematic. The decay mode B0→pp¯ is the rarest decay of the B0 meson obs...

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Publication status:
Published
Peer review status:
Peer reviewed
Version:
Publisher's version

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Publisher copy:
10.1103/physrevlett.119.232001

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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
Role:
Author
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Publisher:
American Physical Society Publisher's website
Journal:
Physical Review Letters Journal website
Volume:
119
Issue:
23
Pages:
232001
Publication date:
2017-12-24
Acceptance date:
2017-10-17
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pubs id:
pubs:726145
URN:
uri:4e44775c-fc1f-416a-8d1a-5fc5b1aa8c7c
UUID:
uuid:4e44775c-fc1f-416a-8d1a-5fc5b1aa8c7c
Local pid:
pubs:726145
Language:
English
Keywords:

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