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Observation of the Ξb−→J/ψΛK− decay

Abstract:

The observation of the decay Ξ b − →J/ψΛK − is reported, using a data sample corresponding to an integrated luminosity of 3fb −1 , collected by the LHCb detector in pp collisions at centre-of-mass energies of 7 and 8TeV. The production rate of Ξ b − baryons detected in the decay Ξ b − →J/ψΛK − is measured relative to that of Λ b 0 baryons using the decay Λ b 0 →J/ψΛ. Integrated over the b-baryon transverse momentum p T < 25GeV/c and rapidity 2.0 < y < 4.5, the measured ratio is [Form...

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

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Publisher copy:
10.1016/j.physletb.2017.06.045

Authors


Adinolfi, M More by this author
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Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
More by this author
Institution:
University of Oxford
Division:
MPLS Division
Department:
Physics; Particle Physics
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Coordenação de Aperfeiçoamento de Pessoal de Nível Superior More from this funder
Brazilian National Council for Scientific and Technological Development More from this funder
Fundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de Janeiro More from this funder
Brazilian Funding Authority for Studies and Projects More from this funder
Ministry of Science and Technology of the People’s Republic of China More from this funder
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Publisher:
Elsevier Publisher's website
Journal:
Physics Letters B Journal website
Volume:
772
Pages:
265-273
Publication date:
2017-06-24
Acceptance date:
2017-06-11
DOI:
EISSN:
1873-2445
ISSN:
0370-2693
Pubs id:
pubs:673375
URN:
uri:456d73a0-ca7c-42d1-b635-70dadc001d88
UUID:
uuid:456d73a0-ca7c-42d1-b635-70dadc001d88
Local pid:
pubs:673375
Keywords:

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