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dc.contributor.authorChatrchyan, S.-
dc.contributor.authorBrochero Cifuentes, J. A.-
dc.contributor.authorCabrillo, I. J.-
dc.contributor.authorCalderon, Alicia-
dc.contributor.authorChuang, S. H.-
dc.contributor.authorDuarte Campderros, J.-
dc.contributor.authorFernández, M.-
dc.contributor.authorGómez, G.-
dc.contributor.authorGonzález Sánchez, J.-
dc.contributor.authorGraziano, A.-
dc.contributor.authorJorda, C.-
dc.contributor.authorLópez Virto, A.-
dc.contributor.authorMarco, Jesús-
dc.contributor.authorMarco, Rafael-
dc.contributor.authorMartínez-Rivero, Celso-
dc.contributor.authorMatorras, Francisco-
dc.contributor.authorMuñoz Sánchez, F. J.-
dc.contributor.authorRodrigo, Teresa-
dc.contributor.authorRodríguez Marrero, Ana Y.-
dc.contributor.authorRuiz Jimeno, Alberto-
dc.contributor.authorScodellaro, Luca-
dc.contributor.authorVila, Iván-
dc.contributor.authorVilar, Rocío-
dc.contributor.authorCMS Collaboration-
dc.date.accessioned2015-02-11T11:51:42Z-
dc.date.available2015-02-11T11:51:42Z-
dc.date.issued2014-
dc.identifierdoi: 10.1016/j.physletb.2013.12.009-
dc.identifierissn: 0370-2693-
dc.identifier.citationPhysics Letters B 728: 496-517 (2014)-
dc.identifier.urihttp://hdl.handle.net/10261/110501-
dc.descriptionOpen Access Under a Creative Commons license.-- et al.-
dc.description.abstractThe inclusive cross section for top-quark pair production measured by the CMS experiment in proton-proton collisions at a center-of-mass energy of 7 TeV is compared to the QCD prediction at next-to-next-to-leading order with various parton distribution functions to determine the top-quark pole mass, mt pole, or the strong coupling constant, αS. With the parton distribution function set NNPDF2.3, a pole mass of 176. 7+3.8 -3.4 GeV is obtained when constraining αS at the scale of the Z boson mass, mZ, to the current world average. Alternatively, by constraining mt pole to the latest average from direct mass measurements, a value of αS(mZ) = 0. 1151+0.0033 -0.0032 is extracted. This is the first determination of αS using events from top-quark production. © 2013 The Authors. Published by Elsevier B.V.-
dc.description.sponsorshipWe acknowledge support from BMWF and FWF (Austria); FNRS and FWO (Belgium); CNPq, CAPES, FAPERJ, and FAPESP (Brazil); MEYS (Bulgaria); CERN; CAS, MoST, and NSFC (China); COLCIENCIAS (Colombia); MSES (Croatia); RPF (Cyprus); MoER, SF0690030s09 and ERDF (Estonia); Academy of Finland, MEC, and HIP (Finland); CEA and CNRS/IN2P3 (France); BMBF, DFG, and HGF (Germany); GSRT (Greece); OTKA and NKTH (Hungary); DAE and DST (India); IPM (Iran); SFI (Ireland); INFN (Italy); NRF and WCU (Korea); LAS (Lithuania); CINVESTAV, CONACYT, SEP, and UASLPFAI (Mexico); MSI (New Zealand); PAEC (Pakistan); MSHE and NSC (Poland); FCT (Portugal); JINR (Armenia, Belarus, Georgia, Ukraine Uzbekistan); MON, RosAtom, RAS and RFBR (Russia); MSTD (Serbia); SEIDI and CPAN (Spain); Swiss Funding Agencies (Switzerland); NSC (Taipei); ThEP, IPST and NECTEC (Thailand); TUBITAK and TAEK (Turkey); NASU (Ukraine); STFC (United Kingdom); DOE and NSF (USA).-
dc.description.sponsorshipFunded by SCOAP³.-
dc.publisherElsevier-
dc.relation.isversionofPublisher's version-
dc.rightsopenAccess-
dc.titleDetermination of the top-quark pole mass and strong coupling constant from the tt̄ production cross section in pp collisions at √s = 7 TeV-
dc.typeartículo-
dc.identifier.doi10.1016/j.physletb.2013.12.009-
dc.relation.publisherversionhttp://dx.doi.org/10.1016/j.physletb.2013.12.009-
dc.date.updated2015-02-11T11:51:42Z-
dc.description.versionPeer Reviewed-
dc.language.rfc3066eng-
dc.rights.licensehttp://creativecommons.org/licenses/by/3.0/-
dc.contributor.funderSCOAP-
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