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dc.date.accessioned 2019-11-07T17:22:26Z
dc.date.available 2019-11-07T17:22:26Z
dc.date.issued 2014
dc.identifier.uri http://sedici.unlp.edu.ar/handle/10915/85175
dc.description.abstract Measurements of four-lepton (4ℓ, ℓ =e,μ) production cross sections at the Z resonance in pp collisions at the LHC with the ATLAS detector are presented. For dilepton and four-lepton invariant mass regions mℓ+ℓ- > 5 GeV and 80 < m4ℓ < 100 GeV, the measured cross sections are 76 ± 18 (stat) ± 4 (syst) ± 1.4 (lumi) fb and 107 ± 9 (stat )± 4 (syst) ± 3.0 (lumi) fb at √s = 7 and 8 TeV, respectively. By subtracting the nonresonant 4ℓ production contributions and normalizing with Z→ μ+μ- events, the branching fraction for the Z boson decay to 4ℓ is determined to be (3.20 ± 0.25 (stat) ± 0.13 (syst)) × 10-6, consistent with the standard model prediction. en
dc.language en es
dc.subject proton-proton collisions es
dc.subject ATLAS detector es
dc.subject Four-Lepton Production es
dc.title Measurements of four-lepton production at the Z resonance in pp collisions at √s = 7 and 8 TeV with ATLAS en
dc.type Articulo es
sedici.identifier.other doi:10.1103/PhysRevLett.112.231806 es
sedici.identifier.other eid:2-s2.0-84902440821 es
sedici.identifier.issn 0031-9007 es
sedici.creator.person Alconada Verzini, María Josefina es
sedici.creator.person Alonso, Francisco es
sedici.creator.person Anduaga, Xabier Sebastián es
sedici.creator.person Dova, María Teresa es
sedici.creator.person Monticelli, Fernando Gabriel es
sedici.creator.person Tripiana, Martín Fernando es
sedici.creator.person The ATLAS Collaboration es
sedici.description.note La lista completa de autores que integran el documento puede consultarse en el archivo. es
sedici.subject.materias Ciencias Exactas es
sedici.subject.materias Física es
sedici.description.fulltext true es
mods.originInfo.place Facultad de Ciencias Exactas es
mods.originInfo.place Instituto de Física La Plata es
sedici.subtype Articulo es
sedici.rights.license Creative Commons Attribution 3.0 Unported (CC BY 3.0)
sedici.rights.uri http://creativecommons.org/licenses/by/3.0/
sedici.description.peerReview peer-review es
sedici.relation.journalTitle Physical Review Letters es
sedici.relation.journalVolumeAndIssue vol. 112, no. 23 es
sedici.rights.sherpa * Color: green * Pre-print del autor: si * Post-print del autor: si * Versión de editor/PDF:si * Condiciones: >>On author's personal website, employer's website or institutional repository >>Institutional repository must not be shared with other institutions >>Publisher's version/PDF may be used >>Link to publisher version required >>Publisher copyright and source must be acknowledged with citation * Link a Sherpa: http://sherpa.ac.uk/romeo/issn/0031-9007/es/


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Creative Commons Attribution 3.0 Unported (CC BY 3.0) Excepto donde se diga explícitamente, este item se publica bajo la siguiente licencia Creative Commons Attribution 3.0 Unported (CC BY 3.0)