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Charged-particle multiplicities in pp interactions at root s=900 GeV measured with the ATLAS detector at the LHC

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Charged-particle multiplicities in pp interactions at root s=900 GeV measured with the ATLAS detector at the LHC

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dc.contributor.author	ATLAS Collaboration
dc.contributor.author	Salt Cairols, José
dc.contributor.author	Higón Rodríguez, Emilio
dc.contributor.author	González de la Hoz, Santiago
dc.contributor.author	Castillo Giménez, María Victoria
dc.contributor.author	Ferrer Soria, Antonio
dc.contributor.author	Sanchis Lozano, Miguel Ángel
dc.contributor.author	Hernández Jiménez, Yesenia
dc.contributor.author	Ros Martínez, Eduardo
dc.contributor.author	García García, Carmen
dc.contributor.author	Fuster Verdú, Juan A.
dc.contributor.author	Martí García, Salvador
dc.contributor.author	Lacasta Llácer, Carlos
dc.contributor.author	Valls Ferrer, Juan Antonio
dc.contributor.author	Villaplana Pérez, Miguel
dc.date.accessioned	2014-05-22T09:45:58Z
dc.date.available	2014-05-22T09:45:58Z
dc.date.issued	2010
dc.identifier.citation	The Atlas Collaboration Salt Cairols, Carlos Higón Rodríguez, Emilio González d ela Hoz, Santiago Castillo Giménez, María Victoria Ferrer Soria, Antonio Sanchis Lozano, Migel Angel Hernández Jiménez, Yesenia Ros Martínez, Eduardo García García, Carmen Fuster Verdú, Juan A. Martí García, Salvador Lacasta Llácer, Carlos Valls Ferrer, Jua Antonio Villaplana Pérez, Miguel 2010 Charged-particle multiplicities in pp interactions at root s=900 GeV measured with the ATLAS detector at the LHC Physics Letters B 688 1 21 42
dc.identifier.uri	http://hdl.handle.net/10550/35361
dc.description.abstract	The first measurements from proton-proton collisions recorded with the ATLAS detector at the LHC are presented. Data were collected in December 2009 using a minimum-bias trigger during collisions at a centre-of-mass energy of 900 GeV. The charged-particle multiplicity, its dependence on transverse momentum and pseudorapidity, and the relationship between mean transverse momentum and charged-particle multiplicity are measured for events with at least one charged particle in the kinematic range \|eta\|<2.5 and pT>500 MeV. The measurements are compared to Monte Carlo models of proton-proton collisions and to results from other experiments at the same centre-of-mass energy. The charged-particle multiplicity per event and unit of pseudorapidity at eta = 0 is measured to be 1.333 +/- 0.003 (stat.) +/- 0.040 (syst.), which is 5-15% higher than the Monte Carlo models predict.
dc.relation.ispartof	Physics Letters B, 2010, vol. 688, num. 1, p. 21-42
dc.subject	Detectors de radiació
dc.subject	Acceleradors de partícules
dc.subject	Partícules (Física nuclear)
dc.title	Charged-particle multiplicities in pp interactions at root s=900 GeV measured with the ATLAS detector at the LHC
dc.type	journal article	es_ES
dc.date.updated	2014-05-22T09:45:58Z
dc.identifier.doi	10.1016/j.physletb.2010.03.064
dc.identifier.idgrec	061930
dc.rights.accessRights	open access	es_ES
dc.identifier.url	10.1016/j.physletb.2010.03.064