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dc.contributor.author | Aad, G. | - |
dc.contributor.author | Cabrera, Susana | - |
dc.contributor.author | Castillo, Mª Victoria | - |
dc.contributor.author | Costa, María José | - |
dc.contributor.author | Fassi, F. | - |
dc.contributor.author | Ferrer, Antonio | - |
dc.contributor.author | Fiorini, L. | - |
dc.contributor.author | Fuster, Juan | - |
dc.contributor.author | García Navarro, José Enrique | - |
dc.contributor.author | González de la Hoz, Santiago | - |
dc.contributor.author | Hernández Jiménez, Yesenia | - |
dc.contributor.author | Higón, Emilio | - |
dc.contributor.author | Irles Quiles, Adrián | - |
dc.contributor.author | Kaci, Mohamed | - |
dc.contributor.author | Lacasta Llácer, Carlos | - |
dc.contributor.author | Lacuesta, Vicente | - |
dc.contributor.author | March, Luis | - |
dc.contributor.author | Martí García, Salvador | - |
dc.contributor.author | Miñano, Mercedes | - |
dc.contributor.author | Mitsou, Vasiliki A. | - |
dc.contributor.author | Moles Valls, Regina | - |
dc.contributor.author | Moreno Llácer, María | - |
dc.contributor.author | Oliver García, Elena | - |
dc.contributor.author | Pedraza López, Sebastián | - |
dc.contributor.author | Romero Adam, E. | - |
dc.contributor.author | Ros, Eduardo | - |
dc.contributor.author | Salt, José | - |
dc.contributor.author | Sánchez Martínez, Victoria | - |
dc.contributor.author | Soldevila, Urmila | - |
dc.contributor.author | Torró Pastor, Emma | - |
dc.contributor.author | Valero, Alberto | - |
dc.contributor.author | Valladolid Gallego, Eva | - |
dc.contributor.author | Valls Ferrer, Juan Antonio | - |
dc.contributor.author | Villaplana Pérez, Miguel | - |
dc.contributor.author | Vos, Marcel | - |
dc.contributor.author | Pérez García-Estañ, María Teresa | - |
dc.contributor.author | ATLAS Collaboration | - |
dc.date.accessioned | 2014-05-19T09:31:04Z | - |
dc.date.available | 2014-05-19T09:31:04Z | - |
dc.date.issued | 2014-02-25 | - |
dc.identifier.citation | Journal of High Energy Physics 2014:107 (2014) | es_ES |
dc.identifier.uri | http://hdl.handle.net/10261/96840 | - |
dc.description | Aad, G. et al. | - |
dc.description.abstract | This paper presents a measurement of the top quark pair ( tt¯ ) production charge asymmetry A C using 4.7 fb−1 of proton-proton collisions at a centre-of-mass energy s√ = 7 TeV collected by the ATLAS detector at the LHC. A tt¯ -enriched sample of events with a single lepton (electron or muon), missing transverse momentum and at least four high transverse momentum jets, of which at least one is tagged as coming from a b-quark, is selected. A likelihood fit is used to reconstruct the tt¯ event kinematics. A Bayesian unfolding procedure is employed to estimate A C at the parton-level. The measured value of the tt¯ production charge asymmetry is A C = 0.006 ± 0.010, where the uncertainty includes both the statistical and the systematic components. Differential A C measurements as a function of the invariant mass, the rapidity and the transverse momentum of the tt¯ system are also presented. In addition, A C is measured for a subset of events with large tt¯ velocity, where physics beyond the Standard Model could contribute. All measurements are consistent with the Standard Model predictions. | es_ES |
dc.description.sponsorship | We thank the support staff from our institutions without whom ATLAS could not be operated efficiently. | es_ES |
dc.language.iso | eng | es_ES |
dc.publisher | Springer Nature | es_ES |
dc.relation.isversionof | Publisher's version | es_ES |
dc.rights | openAccess | es_ES |
dc.subject | Hadron-Hadron Scattering | es_ES |
dc.subject | Top physics | es_ES |
dc.title | Measurement of the top quark pair production charge asymmetry in proton-proton collisions at √s = 7 TeV using the ATLAS detector | es_ES |
dc.type | artículo | es_ES |
dc.identifier.doi | 10.1007/JHEP02(2014)107 | - |
dc.description.peerreviewed | Peer reviewed | es_ES |
dc.relation.publisherversion | http://dx.doi.org/10.1007/JHEP02(2014)107 | es_ES |
dc.identifier.e-issn | 1029-8479 | - |
dc.rights.license | http://creativecommons.org/licenses/by/4.0/ | es_ES |
dc.contributor.funder | SCOAP | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.grantfulltext | open | - |
item.cerifentitytype | Publications | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.languageiso639-1 | en | - |
item.fulltext | With Fulltext | - |
item.openairetype | artículo | - |
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quark_pair_Aad.pdf | 1,17 MB | Adobe PDF | Visualizar/Abrir |
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