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Observation of the Λ0b → Λφ decay

Abstract:

The Λ0b → Λφ decay is observed using data corresponding to an integrated luminosity of 3.0 fb^-1 recorded by the LHCb experiment. The decay proceeds at leading order via a b → sss loop transition and is therefore sensitive to the possible presence of particles beyond the Standard Model. A first observation is reported with a significance of 5.9 standard deviations. The value of the branching fraction is measured to be (5.18 ± 1.04 ± 0.35^+0.67-0.62) X 10^-6, where the first uncertainty is sta...

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Publication status:
Published
Peer review status:
Peer reviewed

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Publisher copy:
10.1016/j.physletb.2016.05.077

Authors


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Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
More by this author
Institution:
University of Oxford
Division:
MPLS
Department:
Physics
Sub department:
Particle Physics
Role:
Author
Expand authors...
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
Brazilian Funding Authority for Studies and Projects More from this funder
German Federal Ministry of Education and Research More from this funder
German Research Foundation More from this funder
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Publisher:
Elsevier Publisher's website
Journal:
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics Journal website
Volume:
759
Pages:
282-292
Publication date:
2016-05-01
Acceptance date:
2016-05-24
DOI:
ISSN:
0370-2693
Source identifiers:
609690
Keywords:
Pubs id:
pubs:609690
UUID:
uuid:2f254487-e3b2-45cc-8e12-21fd6c55fb83
Local pid:
pubs:609690
Deposit date:
2016-11-02

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