Search for new resonances in mass distributions of jet pairs using 139 fb −1 of pp collisions at √s = 13 TeV with the ATLAS detector

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dc.contributor.authorAad, G.
dc.contributor.authorAbbott, B.
dc.contributor.authorAbbott, D.C
dc.contributor.authorAbed Abud, A.
dc.contributor.authorAbeling, K.
dc.contributor.authorAbhayasinghe, D.K.
dc.contributor.authorAbidi, S.H.
dc.contributor.authorAbouZeid, O.S
dc.contributor.authorAbraham ., N.L
dc.contributor.authorAbramowicz, H
dc.contributor.authorAbreu, H
dc.contributor.authorAbulaiti, Y.
dc.date.accessioned2021-09-21T14:51:01Z
dc.date.available2021-09-21T14:51:01Z
dc.date.issued2020-03
dc.description.abstractA search for new resonances decaying into a pair of jets is reported using the dataset of proton-proton collisions recorded at s = 13 TeV with the ATLAS detector at the Large Hadron Collider between 2015 and 2018, corresponding to an integrated luminosity of 139 fb−1. The distribution of the invariant mass of the two leading jets is examined for local excesses above a data-derived estimate of the Standard Model background. In addition to an inclusive dijet search, events with jets identified as containing b-hadrons are examined specifically. No significant excess of events above the smoothly falling background spectra is observed. The results are used to set cross-section upper limits at 95% confidence level on a range of new physics scenarios. Model-independent limits on Gaussian-shaped signals are also reported. The analysis looking at jets containing b-hadrons benefits from improvements in the jet flavour identification at high transverse momentum, which increases its sensitivity relative to the previous analysis beyond that expected from the higher integrated luminosity. [Figure not available: see fulltext.] © 2020, The Author(s).es
dc.description.sponsorshipIndexación: Scopuses
dc.identifier.citationJournal of High Energy PhysicsOpen Access Volume 2020, Issue 31 March 2020 Article number 145es
dc.identifier.issn11266708
dc.identifier.urihttp://repositorio.unab.cl/xmlui/handle/ria/20341
dc.language.isoenes
dc.publisherSpringeres
dc.subjectExotics; Hadron-Hadron scattering (experiments); Jetses
dc.titleSearch for new resonances in mass distributions of jet pairs using 139 fb −1 of pp collisions at √s = 13 TeV with the ATLAS detectores
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