MoEDAL Search in the CMS Beam Pipe for Magnetic Monopoles Produced via the Schwinger Effect
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Published:2024-08-15
Issue:7
Volume:133
Page:
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ISSN:0031-9007
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Container-title:Physical Review Letters
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language:en
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Short-container-title:Phys. Rev. Lett.
Author:
Acharya B.1, Alexandre J.1, Behera S. C.2, Benes P.3, Bergmann B.3, Bertolucci S.4, Bevan A.5, Brancaccio R.6, Branzas H.7, Burian P.3, Campbell M.8, Cecchini S.4, Cho Y. M.9, de Montigny M.10, De Roeck A.8, Ellis J. R.18, Fairbairn M.1, Felea D.7, Frank M.11, Gould O.12, Hays J.5, Hirt A. M.13, Ho D. L.-J.14, Hung P. Q.15, Janecek J.3, Kalliokoski M.16, Lacarrère D. H.8, Leroy C.17, Levi G.6, Margiotta A.6, Maselek R.18, Maulik A.410, Mauri N.6, Mavromatos N. E.1, Millward L.5, Mitsou V. A.19, Musumeci E.19, Ostrovskiy I.2ORCID, Ouimet P.-P.20, Papavassiliou J.19, Patrizii L.4, Păvălaş G. E.7, Pinfold J. L.10, Popa L. A.7, Popa V.7, Pozzato M.4, Pospisil S.3, Rajantie A.14, Ruiz de Austri R.19, Sahnoun Z.6, Sakellariadou M.1, Sakurai K.18, Sarkar S.1, Semenoff G.21, Shaa A.10, Sirri G.4, Sliwa K.22, Soluk R.10, Spurio M.6, Staelens M.19, Suk M.3, Tenti M.4, Togo V.4, Tuszyński J. A.10, Upreti A.2, Vento V.19, Vives O.19
Affiliation:
1. King’s College 2. University of Alabama 3. Czech Technical University 4. INFN 5. Queen Mary University 6. University of Bologna 7. Institute of Space Science 8. CERN 9. Sogang University 10. University of Alberta 11. Concordia University 12. University of Nottingham 13. Swiss Federal Institute of Technology 14. Imperial College 15. University of Virginia 16. University of Helsinki 17. Universite de Montreal 18. University of Warsaw 19. Universitat de Valencia 20. University of Regina 21. University of British Columbia 22. Tufts University
Abstract
We report on a search for magnetic monopoles (MMs) produced in ultraperipheral Pb-Pb collisions during Run 1 of the LHC. The beam pipe surrounding the interaction region of the CMS experiment was exposed to 184.07 μb−1 of Pb-Pb collisions at 2.76 TeV center-of-mass energy per collision in December 2011, before being removed in 2013. It was scanned by the MoEDAL experiment using a SQUID magnetometer to search for trapped MMs. No MM signal was observed. The two distinctive features of this search are the use of a trapping volume very close to the collision point and ultrahigh magnetic fields generated during the heavy-ion run that could produce MMs via the Schwinger effect. These two advantages allowed setting the first reliable, world-leading mass limits on MMs with high magnetic charge. In particular, the established limits are the strongest available in the range between 2 and 45 Dirac units, excluding MMs with masses of up to 80 GeV at a 95% confidence level.
Published by the American Physical Society
2024
Funder
Science and Technology Facilities Council Generalitat Valenciana Ministerio de Ciencia e Innovación Agencia Estatal de Investigación European Regional Development Fund Ministerio de Ciencia, Innovación y Universidades King’s College London Natural Sciences and Engineering Research Council of Canada University of Alberta Unitatea Executiva pentru Finantarea Invatamantului Superior, a Cercetarii, Dezvoltarii si Inovarii Instituto Nazionale di Fisica Nucleare Eesti Teadusagentuur National Science Foundation University of Alabama Chinese Academy of Sciences UE Institute for Particle Physics Phenomenology Associateship
Publisher
American Physical Society (APS)
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