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Background to Higgs-boson searches from internal conversions of off-shell photons associated with Z/ \gamma ^{\ast} - boson production at the LHC

Background to Higgs-boson searches from internal ...

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dc.contributor.author Fedynitch, Anatoli pl
dc.contributor.author Krasny, Mieczysław Witold pl
dc.contributor.author Płaczek, Wiesław [SAP11013498] pl
dc.date.accessioned 2015-07-17T12:23:42Z
dc.date.available 2015-07-17T12:23:42Z
dc.date.issued 2015 pl
dc.identifier.issn 0587-4254 pl
dc.identifier.uri http://ruj.uj.edu.pl/xmlui/handle/item/13238
dc.language eng pl
dc.rights Udzielam licencji. Uznanie autorstwa 3.0 *
dc.rights.uri http://creativecommons.org/licenses/by/3.0/legalcode *
dc.title Background to Higgs-boson searches from internal conversions of off-shell photons associated with Z/ \gamma ^{\ast} - boson production at the LHC pl
dc.type JournalArticle pl
dc.description.physical 983-998 pl
dc.abstract.en This paper presents the studies of the background contribution to the H \rightarrow 4/ searches originating from the processes of off-shell (virtual) photon emissions and their conversions into lepton pairs accompanying the production of Z/ \gamma ^{\ast} - bosons at the LHC. They extend the analyses of the irreducible background presented in the ATLAS and CMS Higgs papers [Phys. Lett. B716, 1 (2012); Phys. Lett. B726, 88 (2013); Phys. Rev. D90, 052004 (2014); CERN-PH-EP-2014-170, to appear in Phys. Rev. D; Phys. Lett. B716, 30 (2012); Phys. Rev. D89, 92007 (2014)] by taking into account the emissions of off-shell photons by parton showers. Including these effects does not change significantly the Higgs-searches background level, provided that the transverse momentum of each of the final-state leptons is restricted to the range of p_{T,l}> 7 GeV. In the kinematical region extended towards lower lepton transverse momenta, the parton-shower contribution becomes important. A measurement method for pinning down the parton-shower effects has been proposed. pl
dc.description.volume 46 pl
dc.description.number 5 pl
dc.description.publication 1 pl
dc.identifier.doi 10.5506/APhysPolB.46.983 pl
dc.identifier.eissn 1509-5770 pl
dc.title.journal Acta Physica Polonica. B pl
dc.language.container eng pl
dc.affiliation Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego pl
dc.subtype Article pl
dc.rights.original CC-BY; otwarte czasopismo; ostateczna wersja wydawcy; w momencie opublikowania; 0 pl
dc.identifier.project ROD UJ / P pl
.pointsMNiSW [2015 A]: 15


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Udzielam licencji. Uznanie autorstwa 3.0 Except where otherwise noted, this item's license is described as Udzielam licencji. Uznanie autorstwa 3.0