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The LHC excess of four-lepton events interpreted as Higgs-boson signal : background from double Drell-Yan process?

2014
journal article
article
10.5506/APhysPolB.45.71
Journal
Acta Physica Polonica. B
20
Author
Krasny Mieczysław Witold

Płaczek Wiesław
Volume
45
Issue
1
Pages
71-87
ISSN
0587-4254
eISSN
1509-5770
Language
English
Container language
English
Abstract in English

We construct a simple model of the Double Drell–Yan Process (DDYP) for proton–proton collisions and investigate its possible contribution to the background for the Higgs-boson searches at the LHC. We demonstrate that under the assumption of the predominance of short range, O(0.1) fm, transverse-plane correlations of quark–antiquark pairs within the proton, this contribution becomes important and may even explain the observed excess of the four-lepton events at the LHC — the events interpreted as originating from the Higgs-boson decays: and .

Affiliation
Wydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiego
Scopus© citations
11
cris.lastimport.scopus2024-04-07T15:54:05Z
dc.abstract.enWe construct a simple model of the Double Drell–Yan Process (DDYP) for proton–proton collisions and investigate its possible contribution to the background for the Higgs-boson searches at the LHC. We demonstrate that under the assumption of the predominance of short range, O(0.1) fm, transverse-plane correlations of quark–antiquark pairs within the proton, this contribution becomes important and may even explain the observed excess of the four-lepton events at the LHC — the events interpreted as originating from the Higgs-boson decays: $H \rightarrow ZZ^{*} \rightarrow 4l$ and $H\rightarrow WW^{*} \rightarrow 2/2\nu$.pl
dc.affiliationWydział Fizyki, Astronomii i Informatyki Stosowanej : Instytut Fizyki im. Mariana Smoluchowskiegopl
dc.contributor.authorKrasny, Mieczysław Witoldpl
dc.contributor.authorPłaczek, Wiesław - 131447 pl
dc.date.accessioned2015-05-29T13:11:31Z
dc.date.available2015-05-29T13:11:31Z
dc.date.issued2014pl
dc.date.openaccess0
dc.description.accesstimew momencie opublikowania
dc.description.number1pl
dc.description.physical71-87pl
dc.description.publication1pl
dc.description.versionostateczna wersja wydawcy
dc.description.volume45pl
dc.identifier.doi10.5506/APhysPolB.45.71pl
dc.identifier.eissn1509-5770pl
dc.identifier.issn0587-4254pl
dc.identifier.projectROD UJ / Ppl
dc.identifier.urihttp://ruj.uj.edu.pl/xmlui/handle/item/8463
dc.languageengpl
dc.language.containerengpl
dc.rightsUdzielam licencji. Uznanie autorstwa 3.0 Polska*
dc.rights.licenceCC-BY
dc.rights.urihttp://creativecommons.org/licenses/by/3.0/legalcode*
dc.share.typeotwarte czasopismo
dc.subtypeArticlepl
dc.titleThe LHC excess of four-lepton events interpreted as Higgs-boson signal : background from double Drell-Yan process?pl
dc.title.journalActa Physica Polonica. Bpl
dc.typeJournalArticlepl
dspace.entity.typePublication
Affiliations
Wydział Fizyki, Astronomii i Informatyki Stosowanej
Płaczek, Wiesław
No affiliation
Krasny, Mieczysław Witold

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