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Search for electroweak production of vector-like leptons in $$\tau $$-lepton and b-jet final states in pp collisions at $$\sqrt{s}$$ = 13 TeV with the ATLAS detector
G. Aad, Erlend Aakvaag, B. Abbott, Sara Abdelhameed, K. Abeling, Nils Julius Abicht, S. H. Abidi, Mohammed Aboelela, A. Aboulhorma, H. Abramowicz, Yiming Abulaiti, B. S. Acharya, Anke Ackermann, C. Adam Bourdarios, L. Adamczyk, S. V. Addepalli, Matt Addison, J. Adelman, Aytul Adiguzel, T. Adye, A. A. Affolder, Y. Afik, M. N. Agaras, Anamika Aggarwal, C. Agheorghiesei, F. Ahmadov, S. Ahuja, X. Ai, G. Aielli, A. Aikot, M. Ait Tamlihat, B. Aitbenchikh, M. Akbiyik, T. P. A. Åkesson, A. V. Akimov, D. Akiyama, Nilima Nilesh Akolkar, S. Aktas, G. L. Alberghi, J. Albert, Pietro Albicocco, Guillaume Lucas Albouy, S. Alderweireldt, Z. L. Alegria, Martin Aleksa, I. N. Aleksandrov, C. Alexa, T. Alexopoulos, Fabrizio Alfonsi, M. Algren, M. Alhroob, B. Ali, Hanadi Ali, S. Ali, Samuel William Alibocus, M. Aliev, G. Alimonti, W. Alkakhi, C. Allaire, Benedict Allbrooke, Jonny Allen, Julia Frances Allen, P. P. Allport, A. Aloisio, F. Alonso, C. Alpigiani, Zainab Mohammad K Alsolami, A. Álvarez Fernández, Mario Alves Cardoso, M. G. Alviggi, M. Aly, Y. Amaral Coutinho, A. Ambler, Christoph Amelung, C. G. Ames, Thiziri Amezza, D. Amidei, Baktash Amini, Kyle Amirie, Artem Amirkhanov, S. P. Amor Dos Santos, K. R. Amos, Dimitra Amperiadou, Shiwen An, C. Anastopoulos, T. Andeen, J. K. Anders, Adam Campbell Anderson, S. Angelidakis, A. Angerami, A. V. Anisenkov, A. Annovi, C. Antel, E. Antipov, M. Antonelli, Fabio Anulli, M. Aoki, T. Aoki, M. A. Aparo, L. Aperio Bella, M.L. Apicella, C. Appelt, A. Apyan, Sergio Javier Arbiol Val, C. Arcangeletti, A. T. H. Arce, J-F. Arguin, S. Argyropoulos, J.-H. Arling, O. Arnaez, H. Arnold, K. Asai, S. Asai, Siranush Asatryan, N. Asbah, Rachel Amy Ashby Pickering, Asim Mohammed Aslam, K. Assamagan, R. Astalos, Sten Astrand, S. Atashi, R. J. Atkin, Hicham Atmani, P. A. Atmasiddha, K. Augsten, A. D. Auriol, V. A. Austrup, G. Avolio, K. Axiotis, G. Azuelos, Dominik Babal, H. Bachacou, K. Bachas, A. Bachiu, A. Badea, Tamas Marton Baer, P. Bagnaia, M. Bahmani, D. Bahner, Kehang Bai, J. T. Baines, Luke Baines, Keith Baker, E. Bakos, D. Bakshi Gupta, Luiz Eduardo Balabram Filho, Veena Balakrishnan, R. Balasubramanian, E. M. Baldin, P. Balek, E. Ballabene, Fabrice Balli, L. M. Baltes, W. K. Balunas, J. Balz, Isaac Bamwidhi, E. Banaś, Marilena Bandieramonte, A. Bandyopadhyay, Shubham Bansal, L. Barak, M. Barakat, E. L. Barberio, M. Barbero, Marten Zefanja Barel, T. Barillari, M-S. Barisits, Tim Barklow, P. Baroň, D. A. Baron Moreno, Toni Baroncelli, A. J. Barr, Jackson Barr, F. Barreiro, J. Barreiro Guimarães da Costa, Maura Barros, S. Barsov, F. Bartels, R. Bartoldus, A. E. Barton, P. Bartos, A. Basan, M. Baselga, Sima Bashiri, A. Bassalat, M. J. Basso, Susan Bataju, Russell Bate, R. L. Bates, Souad Batlamous, M. Battaglia, M. Bauce, M. Bauer, Patrick Bauer, Lukas Bayer, J. B. Beacham, T. Beau, Jean Yves Beaucamp, P. H. Beauchemin, P. Bechtle, H. P. Beck, K. Becker, A. J. Beddall, V. A. Bednyakov, Chris Bee, L. J. Beemster, M. Begalli, M. Begel, J. K. Behr, J. F. Beirer, F. Beisiegel, M. Belfkir, G. Bella, L. Bellagamba, A. Bellerive, Casey Dominik Bellgraph, P. Bellos, K. Beloborodov, D. Benchekroun, F. Bendebba, Y. Benhammou, Kees Benkendorfer, L. Beresford, M. Beretta, E. Bergeaas Kuutmann, N. Berger, B. Bergmann, J. Beringer, G. Bernardi, C. Bernius, F. U. Bernlochner, F. Bernon, Adrian Berrocal Guardia, T. Berry, P. Berta, A. Berthold, Annalisa Berti, Raphael Bertrand, S. Bethke, A. Betti, A. J. Bevan, Lucas Bezio, Naman Kumar Bhalla, S. Bharthuar, S. Bhatta, P. Bhattarai, Zubair Bhatti, Kartik Deepak Bhide, V. Bhopatkar, R. M. Bianchi, G. Bianco, O. Biebel, M. Biglietti, Sully Billingsley, Yassine Bimgdi, M. Bindi, Anna Bingham, A. Bingül, C. Bini, G. A. Bird, Mattias Birman, M. Biros, S. Biryukov, Tobias Bisanz, E. Bisceglie, J. P. Biswal, Diptaparna Biswas, I. Bloch, A. Blue, U. Blumenschein, Julian Blumenthal, Viktor Bobrovnikov, M. Boehler, Burkhard Bohm, D. Bogavac, A. G. Bogdanchikov, Laura Boggia, V. Boisvert, P. Bokan, T. Bołd, M. Bomben, M. Bóna, Maarten Boonekamp, A. G. Borbély, Iurii Bordulev, G. Borissov, D. Bortoletto, D. Boscherini, M. Bosman, K. Bouaouda, N. Bouchhar, Leo Boudet, Joseph Boudreau, E. V. Bouhova-Thacker, D. Boumediene, R. Bouquet, A. Boveia, Jamie Boyd, Diallo Boye, Igor Boyko, Leon Bozianu, J. Braciník, N. Brahimi, G. Brandt, O. Brandt, B. Brau, Jim Brau, A. Roy, R. Brenner, S. Bressler, G. Brianti, D. Britton, Daniel Britzger, I. Brock, R. Brock, G. Brooijmans, Jammel Brooks, Ethan Michael Brooks, E. Brost, L. M. Brown, L. E. Bruce, Tim Lukas Bruckler, P. A. Bruckman de Renstrom, Ben Bruers, A. Bruni, G. Bruni, D. Brunner, M. Bruschi, N. Bruscino, T. Buanes, Q. Buat, D. Buchin, A. G. Buckley, O. Bulekov, Brendon Bullard, S. Burdin, Carsten Burgard, A. M. Burger, B. Burghgrave, O. Burlayenko, Jared Dynes Burleson, J. C. Burzynski, E. L. Busch, V. Buescher, P. J. Bussey, J. M. Butler, C. M. Buttar, J. M. Butterworth, W. Buttinger, Carlos Josue Buxo Vazquez, А. Р. Бузыкаев, S. Cabrera Urbán, L. Cadamuro, D. Caforio, Huacheng Cai, Yan-Bing Cai, Yizhou Cai, V. M. M. Cairo, Ö. Çakır, Noemi Calace, P. Calafiura, G. Calderini, Philippe Calfayan, G. Callea, L. P. Caloba, David Calvet, S. Calvet, Reina Coromoto Camacho Toro, S. Camarda, D. Camarero Munoz, P. Camarri, C. Camincher, M. Campanelli, A. Camplani, V. Canale, Ali Can Canbay, Enzo Canonero, J. Cantero, Y. Cao, Francesca Capocasa, M. Capua, A. Carbone, R. Cardarelli, Juan Carlos Cardenas, Michael Patrick Cardiff, Giovandomenico Carducci, G. Carlino, G. Carlino, Ben Carlson, Evan Michael Carlson, J. Carmignani, L. Carminati, Alberto Carnelli, M. Carnesale, S. Caron, E. Carquín, Isabel Beth Carr, S. Carrá, G. Carratta, A. Carroll, M. Caspar, F. L. Castillo, L. Castillo García, V. Castillo Gimenez, N. F. Castro, A. Catinaccio, J. R. Catmore, Tom Cavaliere, Viviana Cavaliere, Laura Juliana Caviedes Betancourt, Emre Celebi, Sofia Cella, V. Cepaitis, K. Černý, A. S. Cerqueira, A. Cerri, L. Cerrito, F. Cerutti, B. Cervato, A. Cervelli, Gianmario Cesarini, S. A. Çetin, Paul Mickael Chabrillat, Snigdho Chakraborty, J. Chan, W. Y. Chan, J. D. Chapman, É. Chapon, B. Chargeishvili, D. G. Charlton, Chainika Chauhan, Y. Che, S. Chekanov, S. V. Chekulaev, Boping Chen, Charlie Chen, H. Chen, H. Chen, Jing Chen, Jiayi Chen, Maggie Chen, S. Chen, Shenjian Chen, Xiang Chen, Alkaid Cheng, S. Cheong, Alexander Cheplakov, E. Cherepanova, Rajaa Cherkaoui, E. Cheu, Kingman Cheung, L. Chevalier, V. Chiarella, G. Chiarelli, G. Chiodini, A. S. Chisholm, A. Chitan, M. Chitishvili, M. V. Chizhov, Kyungeon Choi, Y. Chou, Edwin Chow, K. L. Chu, M. C. Chu, Xiaotong Chu, Zaza Chubinidze, J. Chudoba, J. J. Chwastowski, Davide Cieri, K. M. Ciesla, V. Cindro, Alessandra Ciocio, Francesco Cirotto, Zvi Citron, Mauro Citterio, Dan Andrei Ciubotaru, A. Clark, P. J. Clark, Noah Clarke Hall, Cameron Clarry, Savannah Clawson, C. Clément, Y. Coadou, M. Cobal, A. Coccaro, R. F. Coelho Barrue, R. Coelho Lopes De, Simone Coelli, Luca Sesto Colangeli, Brian Andrew Cole, Pablo Collado Soto, J. Collot, Maria Rita Coluccia, P. Conde Muíño, Matt Connell, S. H. Connell, E. I. Conroy, Lorenzo Corazzina, A. Cortes-Gonzalez, D. Costanzo, Glen Cowan, Tommaso Cresta, G. Crosetti, J. V. Da Fonseca Pinto, C. Da Vià, D. Dal Santo, S. J. Das, S. D’Auria, Joel Davidson, L. Delagrange, F. Deliot, C. M. Delitzsch, A. Dell’Acqua, S. P. Denisov, G. Di Gregorio, M. Diamantopoulou, M. Didenko, A. Dimitrievska, Thomas Benjamin Dingley, Bhupesh Dixit, F. Djama, T. Djobava, A. Dohnalova, Z. Dolezal, K. M. Dona, Maria Teresa Dova, M. A. Draguet, Matthias Peter Drescher, E. Dreyer, A. Dudarev, K. Dunne, S. El Farkh, H. El Jarrari, V. Ellajosyula, M. Elsing, I. Ene, S. Epari, Frederick J. Ernst, M. Escalier, C. Escobar, Levi Evans, Z. Farazpay, S. M. Farrington, D. Fassouliotis, L. Fayard, F. Fiedler, P. M. Fitzhugh, L. Flores Sanz De Acedo, P. Francavilla, Silvia Franchino, D. Francis, N. Fritzsche, Kin Yip Fung, J. Fuster, S. Galantzan, N. Garelli, V. Gautam, C. Gay, M. H. Genest, M. Ghani, A. Giannini, D. T. Gil, B. J. Gilbert, B. J. Gilbert, Maximilian Emanuel Goblirsch-Kolb, D. Godin, G. Gomes Da Silva, S. González de la Hoz, R. Gonzalez Suarez, L. Goossens, M. I. Gostkin, S. Goswami, M. Gouighri, Charles Michael Grant, M. J. Green, I. M. Gregor, A. A. Grillo, S. Grinstein, J. A. M. Guhit, J. Guo, L. Guo, A. Gupta, R. Gupta, Shubham Gupta, S. Gurbuz, S. S. Gurdasani, Emil Haines, M. Haleem, Kenji Hamano, Hind HAMDAOUI, H. Hanif, Ynyr Harris, Matej Haviernik, Y. Hayashi, Christopher Robyn Hayes, R. L. Hayes, L. Heinrich, M. E. Hesping, M. Hirose, J. Hobbs, N. Hod, B. H. Hooberman, M. E. Horstmann, Mason Ray Housenga, Y. Huang, M. Huhtinen, D. Iliadis, Sebastian Alonso Infante Cabanas, M. Iodice, Anna Ivina, A. Ivina, T. Jakoubek, M. Javurkova, Samuel Jankovych, C. Jia, Cheng Jiang, J. Jiménez Peña, P. Johansson, P. Jones, R. W. L. Jones, T. Junkermann, M. K. Juzek, H. Kagan, Suman Kandel, Z. M. Karpova, S. Kaur, C. Kawamoto, S. Kazakos, V. F. Kazanin, G. V. Kehris, J. J. Kempster, Alexander Khanov, T. Kharlamova, Youssef Khoulaki, Matthew Kevin Kingston, M. Kocian, O. Kolay, N. Konstantinidis, K. Kordas, V. A. Kramarenko, N. B. Krengel, Ken Matthias Kreul, N. Krumnack, N. Kumari, T. Kupfer, H. Kurashige, Y. A. Kurochkin, A. Kurova, A. K. Kvam, B. Laforge, S. Lammers, V. S. Lang, T. Lari, S. D. Lawlor, T. F. Lee, G. Lehmann Miotto, W. A. Leight, W. Leinonen, Jeremie Harmond Lepage Bourbonnais, R. Les, L. J. Levinson, Giacomo Levrini, Daniel Lewis, Bing Li, C. Li, J. Li, L. Li, S. Liang, K. Lie, Leigh Linden, R. E. Lindley, D. Liu, K. Liu, Y. Liu, Z. Liu, E. Loiacono, I. Longarini, R. Longo, S. Lu, Y. J. Lu, N. A. Luongo, D. Lynn, Else Lytken, V. Lyubushkin, V. Lyubushkin, A. Maio, N. Makovec, J. Malamant, S. Maltezos, Alexis Maloizel, Andre Malvezzi, Maya Nicole Mancini, G. Manco, J. P. Mandalia, I. Mandić, D. C. Mankad, A. Mann, Matias Nahuel Mantinan, Robert Renz Gregorio, M. Marinescu, Ahmed Markhoos, M. Markovitch, E. J. Marshall, З. Маршалл, Tim Martin, V. J. Martin, P. Martinez Suarez, Alex Christopher Martynwood, Sylvia Louise Mason, Timothy Thankachen Mathew, Théo Maurin, Christian Mavungu Tsava, D. A. Maximov, E. F. McDonald, J. A. Mcfayden, Ryan Peter Mckenzie, S. J. McMahon, Andrew Mehta, Gretel Mercado, M. Mikestikova, D. A. Milstead, Y. Mitsumori, Saad Mohiuddin, Lucas Mollier, B. Mondal, S. Mondal, S. Monzani, P. Moskvitina, J. Moss, Yftach Moyal, J. Mueller, R. Müller, A. J. Mullin, D. Munoz Perez, K. Nagano, K. Nakamura, C. Nass, A. Nayaz, Serafima Nechaeva, F. Nechansky, T. J. Neep, Mark Neubauer, M. S. Neubauer, V. Nikolaenko, R. Nisius, N. Nitika, J-E. Nitschke, M. Noury, J. Novak, A. Ochi, J. Ocariz, Y. Okumura, L. F. Oleiro Seabra, Gabriel Oliveira Correa, P. U. E. Onyisi, Romano Orlandini, G. Otero y Garzon, G. Otero y Garzón, A. Palazzo, J. Pan, D. K. Panchal, J. G. Panduro Vazquez, H. Pang, E. Pasqualucci, P. M. Patel, T. Pauly, M. Pedersen, M. Pedersen, S. V. Peleganchuk, E. A. Pender, M. Penzin, B. S. Peralva, L. Pereira Sanchez, R. F. Y. Peters, Mariel Pettee, A. E. Pinto Pinoargote, L. Pintucci, L. Pizzimento, G. Poddar, S. Pospı́šil, P. Postolache, Patrycja Anna Potepa, H. Potti, Ruben Pozzi, T. Procter, J. Proudfoot, Joshua Eldon Puddefoot, J. Qian, Y. Qin, G. Rabanal Bolanos, D. Rafanoharana, A. Rastogi, A. L. Read, A. S. Reed, David Reikher, S. Richter, M. Rijssenbeek, Philipp Rincke, E. Rizvi, Sam Roberts, D. Robinson, S. Rodriguez Bosca, O. Røhne, E. Romano, Benjamin John Rosser, B. J. Rosser, D. Rousso, A. Rozanov, A. Ruiz-Martínez, Z. Rurikova, Pawel Rybczynski, F. Safai Tehrani, S. Saha, J. Salt, J. A. Sandesara, M. Sandhoff, L. Sanfilippo, R. Sawada, L. Sawyer, A. Sbrizzi, T. Scanlon, D. Scheirich, S. Schlenker, J. Schmeing, E. Schmidt, N. Schmitt, H.-C. Schultz-Coulon, G. Sciolla, A. Seiden, G. Sekhniaidze, N. Semprini-Cesari, V. Senthilkumar, E. Shabalina, M. Shamim, A. Sharma, P. Sherwood, D. J. Sheppard, S. Shimizu, Chase Owen Shimmin, M. J. Shochet, B. Shrestha, F. Siegert, F. Sili, H. Simpson, S. N. Singh, S. Sinha, Konstantinos Sioulas, J. Sjölin, Y. Smirnov, Matthew Bruce Smith, Rachel Emma Clarke Smith, Matthew Bruce Smith, Hendrik Smitmanns, K. Solovieva, F. Sopkova, I. R. Sotarriva Alvarez, S. Sottocornola, Z. Soumaimi, Leonardo Splendori, E. Stanecka, Weronika Stanek-Maslouska, Oliver Stelzer-Chilton, T. J. Stevenson, S. Stonjek, J. Strandberg, V. V. Sulin, M. Sýkora, Y. Takubo, S. Tapia Araya, M. Taševský, Y. Tayalati, Y. Tayalati, W. Taylor, J. J. Teoh, M. Testa, D. W. Thomas, S. Timoshenko, Leonardo Toffolin, Cecilia Tosciri, P. M. Tricarico, L. Truong, Pavel Tsiareshka, V. Tsulaia, Y. Tu, S. B. Tuncay, I. Turk Cakir, P. M. Tuts, F. Ukegawa, P. A. Ulloa Poblete, G. Ünel, B. Vachon, M. Valente, A. Vallier, T. R. Van Daalen, H. Z. Van Der Schyf, U. M. Vande Voorde, C. Varni, Iskra Velkovska, F. Veloso, S. Veneziano, M. Verissimo De Araujo, J. C. Vermeulen, Georg Viehhauser, O. E. Vickey Boeriu, G. H. A. Viehhauser, E. M. Villhauer, A. Visibile, I. Vivarelli, L. Vozdecky, N. K. Vu, R. Vuillermet, Wolfgang Wagner, H. Wahlberg, J. Walder, A. Wall, A. Wang, H. Wang, S. M. Wang, S. Wang, Weitao Wang, T. Wang, X. Wang, Z. Wang, C. Wanotayaroj, Adam Leonard Warnerbring, Miriam Watson, H. Watson, James Maitland Webb, H. A. Weber, A. R. Weidberg, E. J. Weik, T. Wenaus, Sarah Louise Williams, H. H. Williams, Danielle Joan Wilson-Edwards, Benjamin James Wilson, D. J. Wilson, P. J. Windischhofer, H. Wolters, S. Wozniewski, C. Wu, Mengqing Wu, M. Wu, X. Wu, Y. Wu, Terry Wyatt, T. R. Wyatt, Da Xu, J. Xiong, Tairan Xu, Zhongyukun Xu, S. Yacoob, H. Yamauchi, Haijun Yang, Z. Yan, H. Yang, Xuan Yang, Yi-Lin Yang, Yifan Yang, Jingbo Ye, S. Ye, I. Yeletskikh, M. R. Yexley, C. J. S. Young, M. Yuan, Stefano Zambito, T. Ženiš, S. Zenz, D. Zerwas, Jie Zhang, Jinlong Zhang, J. Zhang, Lei Zhang, T. Zhang, Y. Zhang, Y. Zhang, Y. Zhang, Z. Zhang, Z. Zhao, Zhi Zheng, J. Zhu, Yingchun Zhu, Y. Zhu, X. Zhuang, O. Zormpa, L. Zwalinski
Bibliographic record
VenueThe European Physical Journal C · 2025
Typearticle
Languageen
FieldPhysics and Astronomy
TopicParticle physics theoretical and experimental studies
Canadian institutionsSimon Fraser UniversityYork UniversityUniversity of British ColumbiaTRIUMFCarleton UniversityUniversity of TorontoUniversity of VictoriaMcGill UniversityUniversity of AlbertaUniversité de MontréalInstitute of Particle Physics
FundersCHIST-ERAInstitut National de Physique Nucléaire et de Physique des ParticulesAgencia Estatal de InvestigaciónAgencia Nacional de Promoción Científica y TecnológicaFundação para a Ciência e a TecnologiaJapan Society for the Promotion of ScienceMinistry of Education, Culture, Sports, Science and TechnologyNatural Sciences and Engineering Research Council of CanadaVetenskapsrådetHorizon 2020 Framework ProgrammeNarodowa Agencja Wymiany AkademickiejForskningsrådet om Hälsa, Arbetsliv och VälfärdMinisterstvo Školství, Mládeže a TělovýchovyNational Science and Technology CouncilEuropean Social FundRoyal SocietyCentre National pour la Recherche Scientifique et TechniqueEuropean Regional Development FundBritish Columbia Knowledge Development FundMax-Planck-GesellschaftCentre National de la Recherche ScientifiqueU.S. Department of EnergyCarl Tryggers Stiftelse för Vetenskaplig ForskningFundação Carlos Chagas Filho de Amparo à Pesquisa do Estado do Rio de JaneiroKnut och Alice Wallenbergs StiftelseMinisterstwo Edukacji i NaukiConselho Nacional de Desenvolvimento Científico e TecnológicoBundesministerium für Wissenschaft, Forschung und WirtschaftGeneralitat de CatalunyaGeneralitat ValencianaAgencia Nacional de Investigación y DesarrolloUK Research and InnovationIstituto Nazionale di Fisica NucleareMinistero dell'Università e della RicercaGrantová Agentura České RepublikyAustrian Science FundNational Natural Science Foundation of ChinaEuropean CommissionLeverhulme TrustFundação de Amparo à Pesquisa do Estado de São PauloScience and Technology Facilities CouncilSchweizerischer Nationalfonds zur Förderung der Wissenschaftlichen ForschungDeutsche ForschungsgemeinschaftNederlandse Organisatie voor Wetenschappelijk OnderzoekMinistry of Science and Technology of the People's Republic of ChinaAgence Nationale de la RechercheNational Science FoundationBaden-Württemberg StiftungH2020 European Research CouncilNorges ForskningsrådAlexander von Humboldt-StiftungTRIUMFDanmarks GrundforskningsfondTürkiye Enerji, Nükleer ve Maden Araştırma KurumuCanarieCERNCentres de Recerca de CatalunyaMinisterio de Ciencia e Innovación
KeywordsLeptonElectroweak interactionAtlas (anatomy)Atlas detectorLarge Hadron ColliderQuarkPair productionBranching fractionHiggsino
Abstract
Abstract A search for pair-production of vector-like leptons is presented, considering their decays into a third-generation Standard Model (SM) quark and a vector leptoquark ( $$U_1$$ U 1 ) as predicted by an ultraviolet-complete extension of the SM, referred to as the ‘4321’ model. Given the assumed decay of $$U_1$$ U 1 into third-generation SM fermions, the final state can contain multiple $$\tau $$ τ -leptons and b -quarks. This search is based on a dataset of pp collisions at $$\sqrt{s}=13$$ s = 13 TeV recorded with the ATLAS detector during Run 2 of the Large Hadron Collider, corresponding to an integrated luminosity of up to $$140~\textrm{fb}^{-1} $$ 140 fb - 1 . No significant excess above the SM background prediction is observed, and 95% confidence level limits on the cross-section times branching ratio are derived as a function of the vector-like lepton mass. A lower observed (expected) limit of 910 GeV (970 GeV) is set on the vector-like lepton mass. Additionally, the results are interpreted for a supersymmetric model with an R -parity violating coupling to the third-generation quarks and leptons. Lower observed (expected) limits are obtained on the higgsino mass at 880 GeV (940 GeV) and on the wino mass at 1170 GeV (1170 GeV).
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How this classification was reachedexpand
Full frame machine prediction
Teacher imitationNot calibrated prevalence, not ground truth. Human validation pending. The Gemma side is a direct model label for every work in the frame, read from the title-only record. The Codex side is a classifier learned from the 10,348 direct Codex labels and calibrated to design-weighted sample rates; fields without enough sample support carry no Codex call. Candidate is the union of the two sides; consensus is their intersection. These outputs are machine_predicted_unvalidated and are not human labels.
metaresearch head score (Codex)0.001
metaresearch head score (Gemma)0.001
Version: metacan-v3-hybrid-931329e0061cValidation status: machine_predicted_unvalidated
Candidate categoriesnone
Consensus categoriesnone
DomainCandidate signal: none · Consensus signal: none
Study designCandidate signal: Observational · Consensus signal: Observational
GenreCandidate signal: Empirical · Consensus signal: Empirical
Teacher disagreement score0.004
Threshold uncertainty score0.013
Distilled classifier scores by category (both heads)
| Category | Codex | Gemma |
|---|---|---|
| Metaresearch | 0.001 | 0.001 |
| Meta-epidemiology (narrow) | 0.001 | 0.001 |
| Meta-epidemiology (broad) | 0.001 | 0.001 |
| Bibliometrics | 0.001 | 0.001 |
| Science and technology studies | 0.001 | 0.000 |
| Scholarly communication | 0.002 | 0.000 |
| Open science | 0.001 | 0.001 |
| Research integrity | 0.001 | 0.000 |
| Insufficient payload (model declined to judge) | 0.004 | 0.001 |
Machine scores (provisional)
The two teacher heads of the student model, read on this work. A score orders the frame for review; it never asserts a category, and the validation status ships verbatim with every row.
Baseline scores from an immature model (maturity gate not passed, 7 training rounds). Scores rank; they never assert a category.
Opus teacher head0.014
GPT teacher head0.271
Teacher spread0.257 · how far apart the two teachers sit on this one work
Validation status
score_only:v0-immature-baseline · verbatim from the scoring run: score_only means the number may rank works, and no category label ships from itClassification
machine, unvalidatedMachine predicted; a candidate call from one source (direct Gemma or distilled Codex), not a consensus.
The models applied no category: nothing in the taxonomy fit this work.
Study designObservational
Domainnot available
GenreEmpirical
How this classification was reached, model by model and score by score, is at the end of the page under "How this classification was reached".
Quick stats
Citations1
Published2025
Admission routes2
Has abstractyes