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Measurement of the cross section of high transverse momentum $Z \rightarrow b\bar{b}$ production in proton--proton collisions at $\sqrt{s}=8$ TeV with the ATLAS Detector

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Measurement of the cross section of high transverse momentum $Z \rightarrow b\bar{b}$ production in proton--proton collisions at $\sqrt{s}=8$ TeV with the ATLAS Detector

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dc.contributor.author Pałka, Marek [SAP14007322] pl
dc.contributor.other Współautorami artykułu są członkowie ATLAS Collaboration w liczbie 2876 pl
dc.date.accessioned 2015-07-07T11:28:26Z
dc.date.available 2015-07-07T11:28:26Z
dc.date.issued 2014 pl
dc.identifier.issn 0370-2693 pl
dc.identifier.uri http://ruj.uj.edu.pl/xmlui/handle/item/11962
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 Measurement of the cross section of high transverse momentum $Z \rightarrow b\bar{b}$ production in proton--proton collisions at $\sqrt{s}=8$ TeV with the ATLAS Detector pl
dc.type JournalArticle pl
dc.description.physical 25-43 pl
dc.abstract.en This Letter reports the observation of a high transverse momentum $Z \rightarrow b\bar{b}$ signal in proton–proton collisions at $\sqrt{s}=8$ TeV and the measurement of its production cross section. The data analysed were collected in 2012 with the ATLAS detector at the LHC and correspond to an integrated luminosity of 19.5 fb$^{-1}$. The $\rightarrow b\bar{b}$ decay is reconstructed from a pair of b -tagged jets, clustered with the anti-kt jet algorithm with R=0.4, that have low angular separation and form a dijet with $p_{T} >200$ GeV. The ignal yield is extracted from a fit to the dijet invariant mass distribution, with the dominant, multi-jet background mass shape estimated by employing a fully data-driven technique that reduces the dependence of the analysis on simulation. The fiducial cross section is determined to be $\sigma_{Z \rightarrow b\bar{b}}^{fid} = 2.02 \pm 0.20 (stat.) \pm 0.25 (syst.) \pm 0.06 (lumi.) pb = 2.02 \pm 0.33 pb$, in good agreement with next-to-leading-order theoretical predictions. pl
dc.subject.en LHC pl
dc.subject.en Boosted $b\bar{b}$ topologies pl
dc.description.volume 738 pl
dc.description.publication 1 pl
dc.identifier.doi 10.1016/j.physletb.2014.09.020 pl
dc.identifier.eissn 1873-2445 pl
dc.title.journal Physics Letters. B pl
dc.contributor.institution ATLAS Collaboration 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 [2014 A]: 40


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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