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Measurement of the properties of the Ξ∗0b baryon

Abstract:

We perform a search for near-threshold Ξb0 resonances decaying to Ξb−π+ in a sample of proton-proton collision data corresponding to an integrated luminosity of 3 fb−1 collected by the LHCb experiment. We observe one resonant state, with the following properties: m(Ξ∗0b) − m(Ξ−b) − m(π+) = 15.727 ± 0.068(stat) ± 0.023(syst) MeV/c2 Γ(Ξ∗0b) = 0.90 ± 0.16(stat) ± 0.08(syst) MeV. This confirms the previous observation by the CMS collaboration. The state is consistent with the JP = 3/2+  Ξb∗ 0 res...

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

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Publisher copy:
10.1007/JHEP05(2016)161

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Department:
St Annes College
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Department:
Oxford, MPLS, Physics, Particle Physics
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Department:
Oxford, MPLS, Physics, Particle Physics
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Department:
Oxford, MPLS, Physics, Particle Physics
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Department:
Oxford, MPLS, 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
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Publisher:
Springer Publisher's website
Journal:
Journal of High Energy Physics Journal website
Volume:
2016
Issue:
5
Pages:
161
Publication date:
2016-05-24
Acceptance date:
2016-05-10
DOI:
Pubs id:
pubs:661681
URN:
uri:5a7008b4-e720-4c29-b85d-41b0b9a39512
UUID:
uuid:5a7008b4-e720-4c29-b85d-41b0b9a39512
Local pid:
pubs:661681

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