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Search for Displaced Leptons in s=13 TeV pp Collisions with the ATLAS Detector

descriptionPublicationkeyboard_double_arrow_right Article , Research , Preprint 27 Jul 2021Embargo end date: 21 Sep 2021 United Kingdom, Netherlands, Italy, Germany, Italy, Spain, Sweden, Chile, Poland, Netherlands, Netherlands, United Kingdom, Italy, United Kingdom, Spain, Czech Republic, Norway, Norway, Italy, Italy, China (People's Republic of), China (People's Republic of), United Kingdom, Italy, Australia, Italy, Italy, Italy, Germany, France, Denmark, Italy, Italy, Italy, Belarus, Italy, Italy, Netherlands, Australia, Italy, United States Publisher:American Physical Society (APS)Journal:Physical Review Letters, volume 127 (issn: 0031-9007, eissn: 1079-7114,

Authors: Aad, Georges; Abbott, Brad; Abbott, Dale Charles; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; +193 Authors

Aad, Georges; Abbott, Brad; Abbott, Dale Charles; Abed Abud, Adam; Abeling, Kira; Abhayasinghe, Deshan Kavishka; Abidi, Syed Haider; Abouzeid, Ossama; Abraham, Nicola; Abramowicz, Halina; Abreu, Henso; Abulaiti, Yiming; Acharya, Bobby Samir; Achkar, Baida; Adam, Lennart; Adam Bourdarios, Claire; Adamczyk, Leszek; Adamek, Lukas; Adelman, Jahred; Adiguzel, Aytul; Adorni, Sofia; Adye, Tim; Affolder, A.A.; Affolder, Tony; Afik, Yoav; Agapopoulou, Christina; Agaras, Merve Nazlim; Aggarwal, Anamika; Agheorghiesei, Catalin; Aguilar Saavedra, Juan Antonio; Ahmad, Ammara; Ahmadov, Faig; Ahmed, Waleed Syed; Ai, Xiaocong; Aielli, Giulio; Akatsuka, Shunichi; Akbiyik, Melike; Akesson, Torsten Paul Ake; Akilli, Ece; Akimov, Andrei; Al Khoury, Konie; Alberghi, Gian Luigi; Albert, Justin; Alconada Verzini, Maria Josefina; Alderweireldt, Sara Caroline; Aleksa, Martin; Aleksandrov, Igor; Alexa, Calin; Alexopoulos, Theodoros; Alfonsi, Alice; Alfonsi, Fabrizio; Alhroob, Muhammad; Ali, Babar; Ali, Shahzad; Aliev, Malik; Alimonti, Gianluca; Allaire, Corentin; Allbrooke, Benedict; Allport, Phillip; Aloisio, Alberto; Alonso, Francisco; Alpigiani, Cristiano; Alunno Camelia, Elio; Alvarez Estevez, Manuel; Alviggi, Mariagrazia; Amaral Coutinho, Yara; Ambler, Alessandro; Ambroz, Luca; Amelung, Christoph; Amidei, Dante Eric; Amor dos Santos, Susana Patricia; Amoroso, Simone; Amrouche, Cherifa Sabrina; Anastopoulos, Christos; Andari, Nansi; Andeen, Timothy; Anders, John Kenneth; Andrean, Stefio Yosse; Andreazza, Attilio; Andrei, George Victor; Anelli, Christopher Ryan; Angelidakis, Stylianos; Angerami, Aaron; Anisenkov, Alexey; Annovi, Alberto; Antel, Claire; Anthony, Matthew Thomas; Antipov, Egor; Antonelli, Mario; Antrim, Daniel Joseph; Anulli, Fabio; Aoki, Masato; Aparisi Pozo, Javier Alberto; Aparo, Marco; Aperio Bella, Ludovica; Aranzabal, Nordin; Araujo Ferraz, Victor; Araujo Pereira, Rodrigo; Arcangeletti, Chiara; Arce, A.T.H.; Arguin, Jean-Francois; Argyropoulos, Spyridon; Arling, Jan-Hendrik; Armbruster, Aaron James; Armstrong, Alexander; Arnaez, Olivier; Arnold, Hannah; Arrubarrena Tame, Zulit Paola; Artoni, Giacomo; Asada, Haruka; Asai, Kanae; Asai, Shoji; Asawatavonvanich, Thanawat; Asbah, Nedaa; Asimakopoulou, Eleni Myrto; Asquith, Lily; Assahsah, Jihad; Assamagan, Ketevi; Astalos, Robert; Atkin, Ryan Justin; Atkinson, Markus; Atlay, Naim Bora; Atmani, Hicham; Atmasiddha, Prachi Arvind; Augsten, Kamil; Austrup, Volker Andreas; Avolio, Giuseppe; Ayoub, Mohamad Kassem; Azuelos, Georges; Babal, Dominik; Bachacou, Henri; Bachas, Konstantinos; Backman, Filip; Bagnaia, Paolo; Bahmani, Marzieh; Bahrasemani, H.; Baluch Bahrasemani, Sina; Bailey, Adam; Bailey, Virginia Ruth; Baines, John; Bakalis, Christos; Baker, Keith; Bakker, Pepijn Johannes; Bakos, Evelin; Bakshi Gupta, Debottam; Balaji, Shyam; Balasubramanian, Rahul; Baldin, Evgenii; Balek, Petr; Balli, Fabrice; Balunas, William Keaton; Balz, Johannes; Banas, Elzbieta; Bandieramonte, Marilena; Bandyopadhyay, Anjishnu; Barak, Liron; Barbe, William Mickael; Barberio, Elisabetta Luigia; Barberis, Dario; Barbero, Marlon; Barbour, Gregory; Barillari, Teresa; Barisits, Martin-Stefan; Barkeloo, Jason Tylor Colt; Barklow, Timothy; Barnett, Bruce; Barnett, Michael; Barnovska-Blenessy, Z.; Baroncelli, Antonio; Barone, Gaetano; Barr, Alan; Barranco Navarro, Laura; Barreiro, Fernando; Barreiro Guimaraes da Costa, Joao; Barron, Uriel; Barsov, Sergey; Bartels, Falk; Bartoldus, Rainer; Bartolini, Giovanni; Barton, Adam Edward; Bartos, Pavol; Basalaev, Artem; Basan, Alexander; Bassalat, Ahmed; Basso, Matthew Joseph; Basson, Candice Ruth; Bates, Richard; Batlamous, Souad; Batley, Richard; Batool, Binish; Battaglia, Marco; Bauce, Matteo; Bauer, Florian; Bauer, Patrick; Bawa, Harinder Singh; Bayirli, Arif; Beacham, James Baker; Beau, Tristan; Beauchemin, Pierre-Hugues; Becherer, Fabian Horst;

doi: 10.1103/physrevlett.127.051802 , 10.17863/cam.75806 , 10.3204/pubdb-2021-04166 , 10.3204/pubdb-2020-05214 , 10.48550/arxiv.2011.07812

pmid: 34397238

arXiv: http://arxiv.org/abs/2011.07812

Search for Displaced Leptons in s=13 TeV pp Collisions with the ATLAS Detector

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Abstract

A search for charged leptons with large impact parameters using 139 fb^{-1} of sqrt[s]=13 TeV pp collision data from the ATLAS detector at the LHC is presented, addressing a long-standing gap in coverage of possible new physics signatures. Results are consistent with the background prediction. This search provides unique sensitivity to long-lived scalar supersymmetric lepton partners (sleptons). For lifetimes of 0.1 ns, selectron, smuon, and stau masses up to 720, 680, and 340 GeV, respectively, are excluded at 95% confidence level, drastically improving on the previous best limits from LEP.

Countries

United Kingdom, Netherlands, Italy, Germany, Italy, Spain, Sweden, Chile, Poland, Netherlands, Netherlands, United Kingdom, Italy, United Kingdom, Spain, Czech Republic, Norway, Norway, Italy, Italy, China (People's Republic of), China (People's Republic of), United Kingdom, Italy, Australia, Italy, Italy, Italy, Germany, France, Denmark, Italy, Italy, Italy, Belarus, Italy, Italy, Netherlands, Australia, Italy, United States

Related Organizations

Sapienza University of Rome
Italy
Duke University
United States
Chinese Academy of Sciences
China (People's Republic of)
University of Mary
United States
University of Science and Technology of China
China (People's Republic of)

View all View all

Keywords

:Kjerne- og elementærpartikkelfysikk: 431 [VDP], new physics: signature, 13000 GeV-cms, Settore PHYS-01/A - Fisica sperimentale delle interazioni fondamentali e applicazioni, stau: mass: lower limit, Mathematical Sciences, High Energy Physics - Experiment, Subatomär fysik, slepton: pair production, High Energy Physics - Experiment (hep-ex), Engineering, Selectron, Subatomic Physics, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], info:eu-repo/classification/ddc/530, Confidence Levels, new physics: search for, Particle physics, VDP::Kjerne- og elementærpartikkelfysikk: 431, Particle and High Energy Physics, lepton: transverse momentum, ATLAS, Nuclear and Plasma Physics, Settore FIS/01 - FISICA SPERIMENTALE, Physical sciences, :Nuclear and elementary particle physics: 431 [VDP], CERN LHC Coll, VDP::Nuclear and elementary particle physics: 431, ATLAS Detectors, Physical Sciences, Background Prediction, General Physics, p p: scattering, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], final state: (dilepton), sparticle: lifetime, Mathematical sciences, FOS: Physical sciences, gap, LHC, ATLAS, High Energy Physics, 530, Charged Leptons, High Energy Physics, High energy physics, ЭБ БГУ::ЕСТЕСТВЕННЫЕ И ТОЧНЫЕ НАУКИ::Физика, Impact-Parameter, ATLAS Collaboration, hep-ex, background, 500, Física, LHC, Particle Physics, Long-lived particles, sensitivity, lepton: impact parameter, supersymmetry, particle: long-lived, Hadron-hadron collisions, p p: colliding beams, selectron: mass: lower limit, smuon: mass: lower limit, experimental results

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