@article{593a2cdc749a4d5d8c8b537d2456a702,
title = "Search for type-III seesaw heavy leptons in leptonic final states in pp collisions at √s=13TeV with the ATLAS detector",
abstract = "A search for the pair production of heavy leptons as predicted by the type-III seesaw mechanism is presented. The search uses proton–proton collision data at a centre-of-mass energy of 13 TeV, corresponding to 139fb-1 of integrated luminosity recorded by the ATLAS detector during Run 2 of the Large Hadron Collider. The analysis focuses on final states with three or four electrons or muons from the possible decays of new heavy leptons via intermediate electroweak bosons. No significant deviations above the Standard Model expectation are observed; upper and lower limits on the heavy lepton production cross-section and masses are derived respectively. These results are then combined for the first time with the ones already published by ATLAS using the channel with two leptons in the final state. The observed lower limit on the mass of the type-III seesaw heavy leptons combining two, three and four lepton channels together is 910 GeV at the 95\% confidence level.",
author = "G. Aad and B. Abbott and Abbott, \{D. C.\} and Abud, \{A. Abed\} and K. Abeling and Abhayasinghe, \{D. K.\} and Abidi, \{S. H.\} and H. Abramowicz and H. Abreu and Y. Abulaiti and \{Abusleme Hoffman\}, \{A. C.\} and Acharya, \{B. S.\} and B. Achkar and L. Adam and Bourdarios, \{C. Adam\} and L. Adamczyk and L. Adamek and Addepalli, \{S. V.\} and J. Adelman and A. Adiguzel and S. Adorni and T. Adye and Affolder, \{A. A.\} and Y. Afik and C. Agapopoulou and Agaras, \{M. N.\} and J. Agarwala and A. Aggarwal and C. Agheorghiesei and Aguilar-Saavedra, \{J. A.\} and A. Ahmad and F. Ahmadov and Ahmed, \{W. S.\} and X. Ai and G. Aielli and I. Aizenberg and S. Akatsuka and M. Akbiyik and {\AA}kesson, \{T. P.A.\} and Akimov, \{A. V.\} and \{Al Khoury\}, K. and Alberghi, \{G. L.\} and J. Albert and P. Albicocco and \{Alconada Verzini\}, \{M. J.\} and S. Alderweireldt and M. Aleksa and Aleksandrov, \{I. N.\} and Citron, \{Z. H.\} and B. Parida and L. Barak and U. Barron and G. Bella and Y. Benhammou and Biswal, \{J. P.\} and B. Chen and H. Cohen and E. Etzion and G. Koren and O. Kuprash and Lutz, \{M. S.\} and R. Nayak and \{Pascual Dominguez\}, L. and D. Reikher and \{Salvador Salas\}, A. and A. Soffer and Tamir, \{N. M.\} and D. Vannicola and E. Bakos and P. Balek and M. Birman and Y. Cao and J. Chen and J. Chen and E. Duchovni and S. Ganguly and A. Ghosh and A. Ghosh and E. Gross and Y. Guo and N. Hod and A. Ivina and A. Kahn and M. Kumar and D. Levin and Levinson, \{L. J.\} and C. Li and C. Li and H. Li and H. Li and H. Li and J. Li and M. Li and X. Li and L. Longo and Ma, \{L. L.\} and G. Mikenberg and A. Milov and S. Mondal and Ng, \{C. W.\} and I. Ravinovich and Robertson, \{S. H.\} and A. Roy and \{Shaked Renous\}, D. and M. Shapiro and S. Sharma and J. Shlomi and S. Singh and S. Singh and S. Sinha and S. Sinha and V. Smakhtin and S. Solomon and H. Wang and J. Wang and S. Wang and S. Wang and Y. Wang and Waugh, \{B. M.\} and J. Wu and X. Wu and D. Xu and S. Yang and Y. Yang and G. Zhang and Z. Zhang and Y. Zhou and S. Istin and E. Kajomovitz and M. Morgenstern and Y. Rozen and S. Tarem and D. Melini",
note = "Publisher Copyright: {\textcopyright} 2022, CERN for the benefit of the ATLAS Collaboration.",
year = "2022",
month = nov,
day = "1",
doi = "10.1140/epjc/s10052-022-10785-0",
language = "American English",
volume = "82",
journal = "European Physical Journal C",
issn = "1434-6044",
publisher = "Springer Nature",
number = "11",
}