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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
Title | Search for type-III seesaw heavy leptons in dilepton final states in pp collisions at √s = 13TeV with the ATLAS detector |
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Authors | |
Issue Date | 2021 |
Publisher | Springer 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? |
Abstract | A 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 Identifier | http://hdl.handle.net/10722/299115 |
ISSN | 2023 Impact Factor: 4.2 2023 SCImago Journal Rankings: 1.451 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Lo, CY | - |
dc.contributor.author | Paredes Hernandez, D | - |
dc.contributor.author | PENG, C | - |
dc.contributor.author | TAM, KC | - |
dc.contributor.author | Tu, Y | - |
dc.contributor.author | ATLAS Collaboration | - |
dc.contributor.author | Pizzimento, L | - |
dc.date.accessioned | 2021-04-28T02:26:23Z | - |
dc.date.available | 2021-04-28T02:26:23Z | - |
dc.date.issued | 2021 | - |
dc.identifier.citation | The European Physical Journal C: Particles and Fields, 2021, v. 81 n. 3, p. article no. 218 | - |
dc.identifier.issn | 1434-6044 | - |
dc.identifier.uri | http://hdl.handle.net/10722/299115 | - |
dc.description.abstract | A 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.language | eng | - |
dc.publisher | Springer Verlag: SCOAP3. The Journal's web site is located at http://epjc.edpsciences.org | - |
dc.relation.ispartof | The European Physical Journal C: Particles and Fields | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.title | Search for type-III seesaw heavy leptons in dilepton final states in pp collisions at √s = 13TeV with the ATLAS detector | - |
dc.type | Article | - |
dc.identifier.email | Paredes Hernandez, D: dparedes@hku.hk | - |
dc.identifier.email | Tu, Y: yanjuntu@hku.hk | - |
dc.identifier.authority | Tu, Y=rp01971 | - |
dc.description.nature | published_or_final_version | - |
dc.identifier.doi | 10.1140/epjc/s10052-021-08929-9 | - |
dc.identifier.scopus | eid_2-s2.0-85102179833 | - |
dc.identifier.hkuros | 322280 | - |
dc.identifier.volume | 81 | - |
dc.identifier.issue | 3 | - |
dc.identifier.spage | article no. 218 | - |
dc.identifier.epage | article no. 218 | - |
dc.identifier.isi | WOS:000626601800003 | - |
dc.publisher.place | Germany | - |