Search for Magnetic Monopoles and Stable High-Electric-Charge Objects in 13 Tev Proton-Proton Collisions with the ATLAS Detector
G. AadCPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, FranceB. AbbottHomer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, Oklahoma, USAD. C. AbbottDepartment of Physics, University of Massachusetts, Amherst, Massachusetts, USAO. AbdinovInstitute of Physics, Azerbaijan Academy of Sciences, Baku, AzerbaijanA. Abed AbudDipartimento di Fisica, Università di Pavia, Pavia, ItalyK. AbelingII. Physikalisches Institut, Georg-August-Universität Göttingen, Göttingen, GermanyD. K. AbhayasingheDepartment of Physics, Royal Holloway University of London, Egham, United KingdomHaider AbidiDepartment of Physics, University of Toronto, Toronto, Ontario, CanadaO. S. AbouZeidNiels Bohr Institute, University of Copenhagen, Copenhagen, DenmarkN. L. AbrahamDepartment of Physics and Astronomy, University of Sussex, Brighton, United KingdomH. AbramowiczRaymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, IsraelH. AbreuDepartment of Physics, Technion, Israel Institute of Technology, Haifa, IsraelY. AbulaitiHigh Energy Physics Division, Argonne National Laboratory, Argonne, Illinois, USAB. S. AcharyaICTP, Trieste, ItalyB. AchkarII. Physikalisches Institut, Georg-August-Universität Göttingen, Göttingen, GermanyS. AdachiInternational Center for Elementary Particle Physics and Department of Physics, University of Tokyo, Tokyo, JapanL. AdámekInstitut für Physik, Universität Mainz, Mainz, GermanyClaire Adam BourdariosLAL, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, FranceL. AdamczykAGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow, PolandL. AdamekDepartment of Physics, University of Toronto, Toronto, Ontario, CanadaJahred AdelmanDepartment of Physics, Northern Illinois University, DeKalb, Illinois, USAM. AdersbergerFakultät für Physik, Ludwig-Maximilians-Universität München, München, GermanyA. AdiguzelDepartment of Physics, Bogazici University, Istanbul, TurkeyS. AdorniDépartement de Physique Nucléaire et Corpusculaire, Université de Genève, Genève, SwitzerlandTim AdyeParticle Physics Department, Rutherford Appleton Laboratory, Didcot, United KingdomTony AffolderSanta Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, California, USAY. AfikDepartment of Physics, Technion, Israel Institute of Technology, Haifa, IsraelC. AgapopoulouLAL, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, FranceMerve Nazlim AgarasLPC, Université Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, FranceAnamika AggarwalInstitute for Mathematics, Astrophysics and Particle Physics, Radboud University Nijmegen/Nikhef, Nijmegen, NetherlandsC. AgheorghieseiDepartment of Physics, Alexandru Ioan Cuza University of Iasi, Iasi, RomaniaJ. A. Aguilar–SaavedraLaboratório de Instrumentação e Física Experimental de Partículas-LIP, PortugalF. AhmadovJoint Institute for Nuclear Research, Dubna, RussiaW. S. AhmedDepartment of Physics, McGill University, Montreal, Quebec, CanadaX. AiInstitute of High Energy Physics, Chinese Academy of Sciences, Beijing, ChinaGiulio AielliDipartimento di Fisica, Università di Roma Tor Vergata, Roma, ItalyS. AkatsukaFaculty of Science, Kyoto University, Kyoto, JapanTorsten AkessonFysiska institutionen, Lunds universitet, Lund, SwedenE. AkilliDépartement de Physique Nucléaire et Corpusculaire, Université de Genève, Genève, SwitzerlandAndrei AkimovP.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, RussiaK. Al KhouryLAL, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, FranceGian Luigi AlberghiINFN Bologna and Universita' di Bologna, Dipartimento di Fisica, ItalyJ. AlbertDepartment of Physics and Astronomy, University of Victoria, Victoria, British Columbia, CanadaM. J. Alconada VerziniInstituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, ArgentinaSara AlderweireldtCERN, Geneva, SwitzerlandM. AleksaCERN, Geneva, SwitzerlandI. N. AleksandrovJoint Institute for Nuclear Research, Dubna, RussiaC. AlexaHoria Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, RomaniaD. AlexandreInstitut für Physik, Humboldt Universität zu Berlin, Berlin, GermanyT. AlexopoulosPhysics Department, National Technical University of Athens, Zografou, GreeceA. AlfonsiNikhef National Institute for Subatomic Physics and University of Amsterdam, Amsterdam, NetherlandsMuhammad AlhroobHomer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, Oklahoma, USABabar AliCzech Technical University in Prague, Prague, Czech RepublicGianluca AlimontiINFN Sezione di Milano, ItalyJ. AlisonEnrico Fermi Institute, University of Chicago, Chicago, Illinois, USAS. P. AlkireDepartment of Physics, University of Washington, Seattle, Washington, USAC. AllaireLAL, Université Paris-Sud, CNRS/IN2P3, Université Paris-Saclay, Orsay, FranceB. M. M. AllbrookeDepartment of Physics and Astronomy, University of Sussex, Brighton, United KingdomB. W. AllenCenter for High Energy Physics, University of Oregon, Eugene, Oregon, USAPhilip Patrick AllportSchool of Physics and Astronomy, University of Birmingham, Birmingham, United KingdomA. AloisioDipartimento di Fisica, Università di Napoli, Napoli, ItalyA. AlonsoNiels Bohr Institute, University of Copenhagen, Copenhagen, DenmarkF. AlonsoInstituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, ArgentinaCristiano AlpigianiDepartment of Physics, University of Washington, Seattle, Washington, USAA. A. AlshehriSUPA-School of Physics and Astronomy, University of Glasgow, Glasgow, United KingdomM. Alvarez EstevezDepartamento de Física Teorica C-15 and CIAFF, Universidad Autónoma de Madrid, Madrid, SpainD. Álvarez PiquerasInstituto de Física Corpuscular (IFIC), Centro Mixto Universidad de Valencia-CSIC, Valencia, SpainM. G. AlviggiDipartimento di Fisica, Università di Napoli, Napoli, ItalyY. Amaral CoutinhoUniversidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, BrazilA. AmblerDepartment of Physics, McGill University, Montreal, Quebec, CanadaL. AmbrozDepartment of Physics, Oxford University, Oxford, United KingdomC. AmelungDepartment of Physics, Brandeis University, Waltham, Massachusetts, USADante AmideiDepartment of Physics, University of Michigan, Ann Arbor, Michigan, USAS. P. Amor Dos SantosLaboratório de Instrumentação e Física Experimental de Partículas-LIP, PortugalS. AmorosoDeutsches Elektronen-Synchrotron DESY, Hamburg and Zeuthen, GermanyC. S. AmroucheDépartement de Physique Nucléaire et Corpusculaire, Université de Genève, Genève, SwitzerlandF. F. AnDepartment of Physics and Astronomy, Iowa State University, Ames, Iowa, USAChristos AnastopoulosDepartment of Physics and Astronomy, University of Sheffield, Sheffield, United KingdomN. AndariIRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, FranceT. AndeenDepartment of Physics, University of Texas at Austin, Austin, Texas, USAC. F. AndersPhysikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyJohn Kenneth AndersAlbert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, SwitzerlandA. AndreazzaDipartimento di Fisica, Università di Milano, Milano, ItalyV. AndreiKirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyC. R. AnelliDepartment of Physics and Astronomy, University of Victoria, Victoria, British Columbia, CanadaStylianos AngelidakisLPC, Université Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, FranceAaron AngeramiNevis Laboratory, Columbia University, Irvington, New York, USAAlexey AnisenkovBudker Institute of Nuclear Physics and NSU, SB RAS, Novosibirsk, RussiaA. AnnoviINFN Sezione di Pisa, ItalyC. AntelKirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, GermanyM. T. AnthonyDepartment of Physics and Astronomy, University of Sheffield, Sheffield, United KingdomM. AntonelliINFN e Laboratori Nazionali di Frascati, Frascati, ItalyD. J. A. AntrimDepartment of Physics and Astronomy, University of California Irvine, Irvine, California, USAF. AnulliINFN Sezione di Roma, ItalyMasato AokiKEK, High Energy Accelerator Research Organization, Tsukuba, JapanJ. A. Aparisi PozoInstituto de Física Corpuscular (IFIC), Centro Mixto Universidad de Valencia-CSIC, Valencia, SpainL. Aperio BellaCERN, Geneva, SwitzerlandG. ArabidzeDepartment of Physics and Astronomy, Michigan State University, East Lansing, Michigan, USAJ. P. AraqueLaboratório de Instrumentação e Física Experimental de Partículas-LIP, PortugalV. Araujo FerrazUniversidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, Brazil
2020en
ABI
Аннотация
A search for magnetic monopoles and high-electric-charge objects is presented using 34.4 fb^{-1} of 13 TeV pp collision data collected by the ATLAS detector at the LHC during 2015 and 2016. The considered signature is based upon high ionization in the transition radiation tracker of the inner detector associated with a pencil-shape energy deposit in the electromagnetic calorimeter. The data were collected by a dedicated trigger based on the tracker high-threshold hit capability. The results are interpreted in models of Drell-Yan pair production of stable particles with two spin hypotheses (0 and 1/2) and masses ranging from 200 to 4000 GeV. The search improves by approximately a factor of 5 the constraints on the direct production of magnetic monopoles carrying one or two Dirac magnetic charges and stable objects with electric charge in the range 20≤|z|≤60 and extends the charge range to 60<|z|≤100.
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