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

ATLAS

doi:10.1007/JHEP06(2019)144

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

ATLAS

Eksperimentel subatomar fysik

31 Citationer (Scopus)

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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 (LQ₃ ^u → tν/bτ) and down-type (LQ₃ ^d → 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 LQ₃ ^u and LQ₃ ^d 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.].

Originalsprog	Engelsk
Artikelnummer	144
Tidsskrift	Journal of High Energy Physics
Vol/bind	2019
Udgave nummer	6
Antal sider	48
ISSN	1126-6708
DOI	https://doi.org/10.1007/JHEP06(2019)144
Status	Udgivet - 1 jun. 2019

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10.1007/JHEP06(2019)144Licens: CC BY

Aaboud2019_Article_SearchesForThird-generationScaForlagets udgivne version, 1,16 MB

Citationsformater

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

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 (LQ3 u → tν/bτ) and down-type (LQ3 d → 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 LQ3 u and LQ3 d 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.].",

author = "M. Aaboud and G. Aad and B. Abbott and DC Abbott and O. Abdinov and DK Abhayasinghe and S.H. Abidi and AbouZeid, {Ossama Sherif Alexander} and NL Abraham and H. Abramowicz and H. Abreu and Y. Abulaiti and B.S. Acharya and Sosuke Adachi and Luise Adam and L. Adamczyk and L. Adamek and J. Adelman and M. Adersberger and A. Adiguzel and Geert-Jan Besjes and {Alonso Diaz}, Alejandro and Alessandra Camplani and Mogens Dam and Milena Bajic and Hansen, {Peter Henrik} and Hansen, {J{\o}rn Dines} and Galster, {Gorm Aske Gram Krohn} and Hansen, {J{\o}rgen Beck} and Monk, {James William} and {de Almeida Dias}, Flavia and hqz214 hqz214 and Petersen, {Troels Christian} and Stark, {Simon Holm} and Rosanna Ignazzi and Graig Wiglesworth and Stefania Xella and ATLAS",

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T1 - Searches for third-generation scalar leptoquarks in s=13 TeV pp collisions with the ATLAS detector

AU - Aaboud, M.

AU - Aad, G.

AU - Abbott, B.

AU - Abbott, DC

AU - Abdinov, O.

AU - Abhayasinghe, DK

AU - Abidi, S.H.

AU - AbouZeid, Ossama Sherif Alexander

AU - Abraham, NL

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abulaiti, Y.

AU - Acharya, B.S.

AU - Adachi, Sosuke

AU - Adam, Luise

AU - Adamczyk, L.

AU - Adamek, L.

AU - Adelman, J.

AU - Adersberger, M.

AU - Adiguzel, A.

AU - Besjes, Geert-Jan

AU - Alonso Diaz, Alejandro

AU - Camplani, Alessandra

AU - Dam, Mogens

AU - Bajic, Milena

AU - Hansen, Peter Henrik

AU - Hansen, Jørn Dines

AU - Galster, Gorm Aske Gram Krohn

AU - Hansen, Jørgen Beck

AU - Monk, James William

AU - de Almeida Dias, Flavia

AU - hqz214, hqz214

AU - Petersen, Troels Christian

AU - Stark, Simon Holm

AU - Ignazzi, Rosanna

AU - Wiglesworth, Graig

AU - Xella, Stefania

AU - ATLAS

PY - 2019/6/1

Y1 - 2019/6/1

N2 - 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 (LQ3 u → tν/bτ) and down-type (LQ3 d → 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 LQ3 u and LQ3 d 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.].

AB - 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 (LQ3 u → tν/bτ) and down-type (LQ3 d → 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 LQ3 u and LQ3 d 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.].

U2 - 10.1007/JHEP06(2019)144

DO - 10.1007/JHEP06(2019)144

M3 - Journal article

SN - 1126-6708

VL - 2019

JO - Journal of High Energy Physics

JF - Journal of High Energy Physics

IS - 6

M1 - 144

ER -

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

Abstract

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