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Article: Search for type-III seesaw heavy leptons in dilepton final states in pp collisions at √s = 13TeV with the ATLAS detector

TitleSearch for type-III seesaw heavy leptons in dilepton final states in pp collisions at √s = 13TeV with the ATLAS detector
Authors
Issue Date2021
PublisherSpringer Verlag: SCOAP3. The Journal's web site is located at http://epjc.edpsciences.org
Citation
The European Physical Journal C: Particles and Fields, 2021, v. 81 n. 3, p. article no. 218 How to Cite?
AbstractA search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 TeV, corresponding to 139fb−1 of integrated luminosity recorded by the ATLAS detector during Run 2 of the Large Hadron Collider. The analysis focuses on the final state with two light leptons (electrons or muons) of different flavour and charge combinations, with at least two jets and large missing transverse momentum. No significant excess over the Standard Model expectation is observed. The results are translated into exclusion limits on heavy-lepton masses, and the observed lower limit on the mass of the type-III seesaw heavy leptons is 790 GeV at 95% confidence level.
Persistent Identifierhttp://hdl.handle.net/10722/299115
ISSN
2020 Impact Factor: 4.59
2020 SCImago Journal Rankings: 1.938
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorLo, CY-
dc.contributor.authorParedes Hernandez, D-
dc.contributor.authorPENG, C-
dc.contributor.authorTAM, KC-
dc.contributor.authorTu, Y-
dc.contributor.authorATLAS Collaboration-
dc.date.accessioned2021-04-28T02:26:23Z-
dc.date.available2021-04-28T02:26:23Z-
dc.date.issued2021-
dc.identifier.citationThe European Physical Journal C: Particles and Fields, 2021, v. 81 n. 3, p. article no. 218-
dc.identifier.issn1434-6044-
dc.identifier.urihttp://hdl.handle.net/10722/299115-
dc.description.abstractA search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 TeV, corresponding to 139fb−1 of integrated luminosity recorded by the ATLAS detector during Run 2 of the Large Hadron Collider. The analysis focuses on the final state with two light leptons (electrons or muons) of different flavour and charge combinations, with at least two jets and large missing transverse momentum. No significant excess over the Standard Model expectation is observed. The results are translated into exclusion limits on heavy-lepton masses, and the observed lower limit on the mass of the type-III seesaw heavy leptons is 790 GeV at 95% confidence level.-
dc.languageeng-
dc.publisherSpringer Verlag: SCOAP3. The Journal's web site is located at http://epjc.edpsciences.org-
dc.relation.ispartofThe European Physical Journal C: Particles and Fields-
dc.rightsThis work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.-
dc.titleSearch for type-III seesaw heavy leptons in dilepton final states in pp collisions at √s = 13TeV with the ATLAS detector-
dc.typeArticle-
dc.identifier.emailParedes Hernandez, D: dparedes@hku.hk-
dc.identifier.emailTu, Y: yanjuntu@hku.hk-
dc.identifier.authorityTu, Y=rp01971-
dc.description.naturepublished_or_final_version-
dc.identifier.doi10.1140/epjc/s10052-021-08929-9-
dc.identifier.scopuseid_2-s2.0-85102179833-
dc.identifier.hkuros322280-
dc.identifier.volume81-
dc.identifier.issue3-
dc.identifier.spagearticle no. 218-
dc.identifier.epagearticle no. 218-
dc.identifier.isiWOS:000626601800003-
dc.publisher.placeGermany-

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