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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

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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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Brazilian National Council for Scientific and Technological Development More from this funder
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
National Natural Science Foundation of China More from this funder
German Federal Ministry for Education and Research More from this funder
German Research Foundation More from this funder
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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:
2017-12-01
Acceptance date:
2017-10-17
DOI:
EISSN:
1079-7114
ISSN:
0031-9007
Pmid:
29286678
Source identifiers:
726145
Language:
English
Keywords:
Pubs id:
pubs:726145
UUID:
uuid:4e44775c-fc1f-416a-8d1a-5fc5b1aa8c7c
Local pid:
pubs:726145
Deposit date:
2018-02-23

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