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Searches for relativistic magnetic monopoles in IceCube
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics.
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
Stockholm University, Faculty of Science, Department of Physics. Stockholm University, Faculty of Science, The Oskar Klein Centre for Cosmo Particle Physics (OKC).
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Number of Authors: 309
2016 (English)In: European Physical Journal C, ISSN 1434-6044, E-ISSN 1434-6052, Vol. 76, no 3, 133Article in journal (Refereed) Published
Abstract [en]

Various extensions of the Standard Model motivate the existence of stable magnetic monopoles that could have been created during an early high-energy epoch of the Universe. These primordial magnetic monopoles would be gradually accelerated by cosmic magnetic fields and could reach high velocities that make them visible in Cherenkov detectors such as IceCube. Equivalently to electrically charged particles, magnetic monopoles produce direct and indirect Cherenkov light while traversing through matter at relativistic velocities. This paper describes searches for relativistic (nu >= 0.76 c) and mildly relativistic (nu >= 0.51 c) monopoles, each using one year of data taken in 2008/2009 and 2011/2012, respectively. No monopole candidate was detected. For a velocity above 0.51 c the monopole flux is constrained down to a level of 1.55 x 10(-18) cm(-2) s(-1) sr(-1). This is an improvement of almost two orders of magnitude over previous limits.

Place, publisher, year, edition, pages
2016. Vol. 76, no 3, 133
National Category
Physical Sciences
Identifiers
URN: urn:nbn:se:su:diva-129698DOI: 10.1140/epjc/s10052-016-3953-8ISI: 000372294300002OAI: oai:DiVA.org:su-129698DiVA: diva2:926424
Available from: 2016-05-06 Created: 2016-04-27 Last updated: 2016-05-17Bibliographically approved

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Ahrens, MaryonBohm, ChristianDumm, Jonathan P.Finley, ChadFlis, SamuelHultqvist, KlasWalck, ChristianWolf, MartinZoll, Marcel
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Department of PhysicsThe Oskar Klein Centre for Cosmo Particle Physics (OKC)
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European Physical Journal C
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