Combination of searches for pair-produced leptoquarks at s=13 TeV with the ATLAS detector
Journal
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
ISSN
1873-2445
Date Issued
2024-07-01
Author(s)
Aad, G.
Aakvaag, E.
Abbott, B.
Abeling, K.
Abicht, N. J.
Abidi, S. H.
Aboulhorma, A.
Abramowicz, H.
Abreu, H.
Abulaiti, Y.
Acharya, B. S.
Adam Bourdarios, C.
Adamczyk, L.
Addepalli, S. V.
Addison, M. J.
Adelman, J.
Adiguzel, A.
Adye, T.
Affolder, A. A.
Afik, Y.
Agaras, M. N.
Agarwala, J.
Aggarwal, A.
Agheorghiesei, C.
Ahmad, A.
Ahmadov, F.
Ahmed, W. S.
Ahuja, S.
Ai, X.
Aielli, G.
Aikot, A.
Ait Tamlihat, M.
Aitbenchikh, B.
Aizenberg, I.
Akbiyik, M.
Åkesson, T. P.A.
Akimov, A. V.
Akiyama, D.
Akolkar, N. N.
Aktas, S.
Al Khoury, K.
Alberghi, G. L.
Albert, J.
Albicocco, P.
Albouy, G. L.
Alderweireldt, S.
Alegria, Z. L.
Aleksa, M.
Aleksandrov, I. N.
Alexa, C.
Alexopoulos, T.
Alfonsi, F.
Algren, M.
Alhroob, M.
Ali, B.
Ali, H. M.J.
Ali, S.
Alibocus, S. W.
Aliev, M.
Alimonti, G.
Alkakhi, W.
Allaire, C.
Allbrooke, B. M.M.
Allen, J. F.
Allendes Flores, C. A.
Allport, P. P.
Aloisio, A.
Alonso, F.
Alpigiani, C.
Alvarez Estevez, M.
Alvarez Fernandez, A.
Alves Cardoso, M.
Alviggi, M. G.
Aly, M.
Amaral Coutinho, Y.
Ambler, A.
Amelung, C.
Amerl, M.
Ames, C. G.
Amidei, D.
Amor Dos Santos, S. P.
Amos, K. R.
Ananiev, V.
Anastopoulos, C.
Andeen, T.
Anders, J. K.
Andrean, S. Y.
Andreazza, A.
Angelidakis, S.
Angerami, A.
Anisenkov, A. V.
Annovi, A.
Antel, C.
Carquin, E.
Fernandez Luengo, S.I.
Fuenzalida Garrido, S.
Pezoa, R.
Robles Gajardo, C.M.
Tapia Araya, S.
Viaux Maura, N.
DOI
10.1016/j.physletb.2024.138736
Abstract
A statistical combination of various searches for pair-produced leptoquarks is presented, using the full LHC Run 2 (2015–2018) data set of 139 fb−1 collected with the ATLAS detector from proton–proton collisions at a centre-of-mass energy of TeV. All possible decays of the leptoquarks into quarks of the third generation and charged or neutral leptons of any generation are investigated. Since no significant deviations from the Standard Model expectation are observed in any of the individual analyses, combined exclusion limits are set on the production cross-sections for scalar and vector leptoquarks. The resulting lower bounds on leptoquark masses exceed those from the individual analyses by up to 100 GeV, depending on the signal hypothesis.
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