Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb−1 of $ \sqrt{s} $ = 13 TeV pp collision data with the ATLAS detector

2021-02-17 | journal article; research paper. A publication with affiliation to the University of Göttingen.

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​Search for squarks and gluinos in final states with jets and missing transverse momentum using 139 fb−1 of $ \sqrt{s} $ = 13 TeV pp collision data with the ATLAS detector​
Aad, G.; Abbott, B.; Abbott, D. C.; Abed Abud, A.; Abeling, K.; Abhayasinghe, D. K. & Abidi, S. H. et al.​ (2021) 
Journal of High Energy Physics2021(2) art. 143​.​ DOI: https://doi.org/10.1007/JHEP02(2021)143 

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Authors Group
The ATLAS collaboration
The authors list is uncomplete:
Authors
Aad, G.; Abbott, B.; Abbott, D. C.; Abed Abud, A.; Abeling, K.; Abhayasinghe, D. K.; Abidi, S. H.; AbouZeid, O. S.; Abraham, N. L.; Abramowicz, H.; Abreu, H.; Abulaiti, Y.; Acharya, B. S.; Achkar, B.; Adam, L.; Adam Bourdarios, C.; Adamczyk, L.; Adamek, L.; Adelman, J.; Adiguzel, A.; Adorni, S.; Adye, T.; Affolder, A. A.; Afik, Y.; Agapopoulou, C.; Agaras, M. N.; Aggarwal, A.; Agheorghiesei, C.; Aguilar-Saavedra, J. A.; Ahmad, A.; Ahmadov, F.; Ahmed, W. S.; Ai, X.; Aielli, G.; Akatsuka, S.; Akbiyik, M.; Åkesson, T. P. A.; Akilli, E.; Akimov, A. V.; Al Khoury, K.; Alberghi, G. L.; Albert, J.; Alconada Verzini, M. J.; Alderweireldt, S.; Aleksa, M.; Aleksandrov, I. N.; Alexa, C.; Alexopoulos, T.; Alfonsi, A.; Alfonsi, F.; Anthony, M. T.; Arnold, H.; Balaji, S.; Cao, T.; Chen, Y.; Dreyer, T.; Falke, S.; Fournier, D.; Gao, Y.; Gao, Y. S.; Grosse-Knetter, J.; Guenther, J.; Harenberg, T.; Jin, S.; Kaplan, L. S.; Kim, E.; Kluth, S.; Krüger, H.; Kuhl, T.; Lai, S.; Lehmann, K.; Lehmann, N.; Li, H.; Li, H.; Li, J.; Li, K.; Li, X.; Li, Y.; Liu, B.; Lorenz, J.; Lu, M.; Lutz, M. S.; Martinez, M.; Menke, S.; Meyer, C.; Morgenstern, S.; Mueller, J.; Quadt, A.; Rajagopalan, S.; Rave, S.; Schaefer, L.; Schoening, A.; Schott, M.; Schulte, A.; Seitz, C.; Sen, S.; Wang, C.; Wang, C.; Wang, H.; Wang, H.; Wang, J.; Wang, Y.; Weber, M. S.; Xu, T.; Xu, Y.; Zhang, B.; Zhang, J.; Zhang, K.; Zhang, M.; Zhang, Y.; Zhao, Z.; Zhou, Y.; Zhu, C.
Abstract
Abstract A search for the supersymmetric partners of quarks and gluons (squarks and gluinos) in final states containing jets and missing transverse momentum, but no electrons or muons, is presented. The data used in this search were recorded by the ATLAS experiment in proton-proton collisions at a centre-of-mass energy of s $ \sqrt{s} $ = 13 TeV during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of 139 fb−1. The results are interpreted in the context of various R-parity-conserving models where squarks and gluinos are produced in pairs or in association and a neutralino is the lightest supersymmetric particle. An exclusion limit at the 95% confidence level on the mass of the gluino is set at 2.30 TeV for a simplified model containing only a gluino and the lightest neutralino, assuming the latter is massless. For a simplified model involving the strong production of mass-degenerate first- and second-generation squarks, squark masses below 1.85 TeV are excluded if the lightest neutralino is massless. These limits extend substantially beyond the region of supersymmetric parameter space excluded previously by similar searches with the ATLAS detector.
Issue Date
17-February-2021
Publisher
Springer Berlin Heidelberg
Journal
Journal of High Energy Physics 
eISSN
1029-8479
Language
English

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