Observation of double charm production involving open charm in pp collisions at s√=7 TeV

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dc.contributor	Universitat de Barcelona
dc.contributor.author	Abellan Beteta, Carlos
dc.contributor.author	Calvo Gómez, Míriam
dc.contributor.author	Camboni, Alessandro
dc.contributor.author	Comerma Montells, Albert
dc.contributor.author	Domingo Bonal, Francesc
dc.contributor.author	Garrido Beltrán, Lluís
dc.contributor.author	Gascón Fora, David
dc.contributor.author	Grabalosa Gándara, Marc
dc.contributor.author	Graciani Díaz, Ricardo
dc.contributor.author	Graugés Pous, Eugeni
dc.contributor.author	López Asamar, Elias
dc.contributor.author	Pérez-Calero Yzquierdo, Antonio
dc.contributor.author	Picatoste Olloqui, Eduardo
dc.contributor.author	Pie Valls, B. (Blai)
dc.contributor.author	Potterat, Cédric
dc.contributor.author	Puig Navarro, Albert
dc.contributor.author	Roselló, M.
dc.contributor.author	Ruiz, Hugo (Ruiz Pérez)
dc.contributor.author	Vázquez Gómez, Ricard
dc.contributor.author	Vilasis-Cardona, Xavier
dc.contributor.author	LHCb Collaboration
dc.date	2014-10-02T09:22:32Z
dc.date	2014-10-02T09:22:32Z
dc.date	2012-05
dc.date	2014-10-02T09:22:32Z
dc.identifier.citation	1126-6708
dc.identifier.citation	619620
dc.identifier.uri	http://hdl.handle.net/2445/57948
dc.format	36 p.
dc.format	application/pdf
dc.language.iso	eng
dc.publisher	Springer Verlag
dc.relation	Reproducció del document publicat a: http://dx.doi.org/10.1007/JHEP06(2012)141
dc.relation	Journal of High Energy Physics, 2012, vol. 06 , num. 141, p. 1-35
dc.relation	http://dx.doi.org/10.1007/JHEP06(2012)141
dc.rights	cc by (c) LHCb Collaboration, 2012
dc.rights	info:eu-repo/semantics/openAccess
dc.rights	http://creativecommons.org/licenses/by/3.0/
dc.subject	Hadrons
dc.subject	Teoria quàntica de camps
dc.subject	Gravitació
dc.subject	Relativitat (Física)
dc.subject	Teoria quàntica
dc.subject	Hadrons
dc.subject	Quantum field theory
dc.subject	Gravitation
dc.subject	Relativity (Physics)
dc.subject	Quantum theory
dc.title	Observation of double charm production involving open charm in pp collisions at s√=7 TeV
dc.type	info:eu-repo/semantics/article
dc.type	info:eu-repo/semantics/publishedVersion
dc.description.abstract	The production of J/ψ mesons accompanied by open charm, and of pairs of open charm hadrons are observed in pp collisions at a centre-of-mass energy of 7 TeV using an integrated luminosity of 355 pb−1 collected with the LHCb detector. Model independent measurements of absolute cross-sections are given together with ratios to the measured J/ψ and open charm cross-sections. The properties of these events are studied and compared to theoretical predictions.

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