Limits are set on the pair production of scalar leptoquarks, where all possible decays of the leptoquark into a quark (t, b) and a lepton (τ, ν) of the third generation are considered. The limits are presented as a function of the leptoquark mass and the branching ratio into charged leptons for up-type (LQ3u → tν/bτ) and down-type (LQ3d → bν/tτ) leptoquarks. Many results are reinterpretations of previously published ATLAS searches. In all cases, LHC proton-proton collision data at a centre-of-mass energy of s = 13 TeV recorded by the ATLAS detector in 2015 and 2016 are used, corresponding to an integrated luminosity of 36.1 fb−1. Masses below 800 GeV are excluded for both LQ3u and LQ3d independently of the branching ratio, with masses below about 1 TeV being excluded for the limiting cases of branching ratios equal to zero or unity.[Figure not available: see fulltext.].

Searches for third-generation scalar leptoquarks in √s = 13 TeV pp collisions with the ATLAS detector / Iuppa, Roberto; Di Luca, Andrea; Follega, Francesco Maria; Ricci, Ester; Atlas, Collaboration. - In: INTERNATIONAL JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 2376-7448. - 2019:6(2019). [10.1007/JHEP06(2019)144]

Searches for third-generation scalar leptoquarks in √s = 13 TeV pp collisions with the ATLAS detector

Iuppa, Roberto;Di Luca, Andrea;Follega, Francesco Maria;Ricci, Ester;
2019-01-01

Abstract

Limits are set on the pair production of scalar leptoquarks, where all possible decays of the leptoquark into a quark (t, b) and a lepton (τ, ν) of the third generation are considered. The limits are presented as a function of the leptoquark mass and the branching ratio into charged leptons for up-type (LQ3u → tν/bτ) and down-type (LQ3d → bν/tτ) leptoquarks. Many results are reinterpretations of previously published ATLAS searches. In all cases, LHC proton-proton collision data at a centre-of-mass energy of s = 13 TeV recorded by the ATLAS detector in 2015 and 2016 are used, corresponding to an integrated luminosity of 36.1 fb−1. Masses below 800 GeV are excluded for both LQ3u and LQ3d independently of the branching ratio, with masses below about 1 TeV being excluded for the limiting cases of branching ratios equal to zero or unity.[Figure not available: see fulltext.].
2019
6
Iuppa, Roberto; Di Luca, Andrea; Follega, Francesco Maria; Ricci, Ester; Atlas, Collaboration
Searches for third-generation scalar leptoquarks in √s = 13 TeV pp collisions with the ATLAS detector / Iuppa, Roberto; Di Luca, Andrea; Follega, Francesco Maria; Ricci, Ester; Atlas, Collaboration. - In: INTERNATIONAL JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 2376-7448. - 2019:6(2019). [10.1007/JHEP06(2019)144]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11572/318392
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