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 (, ) 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 (LQ<sub ) and down-type (/t) 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 = 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 LQu and LQd 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.

Searches for third-generation scalar leptoquarks in root s=13 TeV pp collisions with the ATLAS detector / Aaboud, M., Aad, G., Abbott, B., Abbott, D.c., Abdinov, O., Abhayasinghe, D.k., Abidi, S.h., Abouzeid, O.s., Abraham, N.l., Abramowicz, H., Abreu, H., Abulaiti, Y., Acharya, B.s., Adachi, S., Adam, L., Adamczyk, L., Adamek, L., Adelman, J., Adersberger, M., Adiguzel, A., et al.. - In: JOURNAL OF HIGH ENERGY PHYSICS. - ISSN 1029-8479. - 6(2019). [10.1007/JHEP06(2019)144]

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

Gonella L;
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 (, ) 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 (LQ
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11368/3090654
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