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Search for the doubly heavy Ξbc0 baryon via decays to D 0 pK

LHCb Collaboration ; Alfonso Albero, Alejandro ; Calvo Gómez, Míriam ; Camboni, Alessandro ; Coquereau, Samuel ; Fernandez Tenllado Arribas, J.M ; García Moreno, P ; Garrido Beltrán, Lluís ; Gascón Fora, David ; Gironella Gironell, Pere ; Golobardes, Elisabet ; Gómez Fernández, S ; Graciani Díaz, Ricardo ; Graugés Pous, Eugeni ; Manera Escalero, R ; Marin Benito, Carla ; Mauricio, J ; Sánchez Gonzalo, David ; Valls Canudas, Núria ; Vilasis-Cardona, Xavier

Springer Verlag 2020-11

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Título:
Search for the doubly heavy Ξbc0 baryon via decays to D 0 pK
Autor: LHCb Collaboration ; Alfonso Albero, Alejandro ; Calvo Gómez, Míriam ; Camboni, Alessandro ; Coquereau, Samuel ; Fernandez Tenllado Arribas, J.M ; García Moreno, P ; Garrido Beltrán, Lluís ; Gascón Fora, David ; Gironella Gironell, Pere ; Golobardes, Elisabet ; Gómez Fernández, S ; Graciani Díaz, Ricardo ; Graugés Pous, Eugeni ; Manera Escalero, R ; Marin Benito, Carla ; Mauricio, J ; Sánchez Gonzalo, David ; Valls Canudas, Núria ; Vilasis-Cardona, Xavier
Assuntos: Experiments ; Física de partícules ; Gran Col·lisionador d'Hadrons ; Hadrons ; Large Hadron Collider (France and Switzerland) ; Particle physics
Notas: Articles publicats en revistes (Física Quàntica i Astrofísica)
1126-6708
https://doi.org/10.1007/JHEP11(2020)095
http://hdl.handle.net/2445/185287
710232
Reproducció del document publicat a: https://doi.org/10.1007/JHEP11(2020)095
Journal of High Energy Physics, 2020, num. 95
info:eu-repo/grantAgreement/EC/H2020/792684/EU//pANUCSTR
Descrição: A search for the doubly heavy Ξ0bc baryon using its decay to the D0pK- final state is performed using proton-proton collision data at a centre-of-mass energy of 13 TeV collected by the LHCb experiment between 2016 and 2018, corresponding to an integrated luminosity of 5.4 fb−1. No significant signal is found in the invariant mass range from 6.7 to 7.2 GeV/c2. Upper limits are set at 95% credibility level on the ratio of the Ξ0bc production cross-section times its branching fraction to D0pK− relative to that of the Λ0b→D0pK− decay. The limits are set as a function of the Ξ0bc mass and lifetime hypotheses, in the rapidity range from 2.0 to 4.5 and in the transverse momentum region from 5 to 25 GeV/c. Upper limits range from 1.7 × 10−2 to 3.0 × 10−1 for the considered Ξ0bc mass and lifetime hypotheses.
Editor: Springer Verlag
Data de criação/publicação: 2020-11
Idioma: Inglês

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Search for the doubly heavy Ξbc0 baryon via decays to D 0 pK

Springer Verlag 2020-11

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