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We demonstrate that Debye shielding cannot be employed to constrain the cosmological abundance of magnetic monopoles, contrary to what is stated in the previous literature. Current model-independent bounds on the monopole abundance are then…

High Energy Physics - Phenomenology · Physics 2024-08-30 Chen Zhang , Shi-Hao Zhang , Bowen Fu , Jing-Fei Zhang , Xin Zhang

The amplitude of the magnetic field surrounding the Galactic Centre (GC) on large scales (> 100 pc) has been uncertain by two orders of magnitude for several decades: different analyses report fields as weak as ~6 microG on the one hand and…

Astrophysics of Galaxies · Physics 2010-01-27 Roland M. Crocker

Magnetic monopole is a well-motivated class of beyond-Standard-Model particles that could provide insights into the long-standing puzzle of the quantization of electric charge. These hypothetical particles are likely to be super heavy…

High Energy Physics - Experiment · Physics 2024-09-13 Changqing Ye , Beige Liu , Zhe Cao , Lingzhi Han , Xinming Huang , Min Jiang , Dong Liu , Qing Lin , Shitian Wan , Yusheng Wu , Lei Zhao , Yue Zhang , Xinhua Peng , Zhengguo Zhao

There has been a big effort in the past twenty years with at least a couple of generations of experiments which searched for supermassive GUT magnetic monopoles in the cosmic radiation. Here a short review of these searches is given,…

High Energy Physics - Experiment · Physics 2007-05-23 Ivan De Mitri

We used Nuclear Track Detectors (NTD) CR39 and Makrofol for many purposes: i) Exposures at the SPS and at lower energy accelerator heavy ion beams for calibration purposes and for fragmentation studies. ii) Searches for GUT and Intermediate…

Instrumentation and Detectors · Physics 2015-05-13 G. Giacomelli , V. Togo

We present a model for the Dirac magnetic monopole, suitable for the strong coupling regime. The magnetic monopole is static, has charge g and mass M, occupying a volume of radius R ~ O (g^2/M). It is shown that inside each n-monopole there…

High Energy Physics - Theory · Physics 2007-05-23 P. Pitanga

In this review, we discuss recent developments in both the theory and the experimental searches of magnetic monopoles in past, current and future colliders and in the Cosmos. The theoretical models include, apart from the standard Grand…

High Energy Physics - Phenomenology · Physics 2020-08-26 Nick E. Mavromatos , Vasiliki A. Mitsou

A search for magnetic monopoles using five years of data recorded with the ANTARES neutrino telescope from January 2008 to December 2012 with a total live time of 1121 days is presented. The analysis is carried out in the range $\beta$ $>$…

High Energy Astrophysical Phenomena · Physics 2017-07-17 A. Albert , M. André , M. Anghinolfi , G. Anton , M. Ardid , J. -J. Aubert , T. Avgitas , B. Baret , J. Barrios-Martí , S. Basa , V. Bertin , S. Biagi , R. Bormuth , S. Bourret , M. C. Bouwhuis , R. Bruijn , J. Brunner , J. Busto , A. Capone , L. Caramete , J. Carr , S. Celli , T. Chiarusi , M. Circella , J. A. B. Coelho , A. Coleiro , R. Coniglione , H. Costantini , P. Coyle , A. Creusot , A. Deschamps , G. De Bonis , C. Distefano , I. Di Palma , A. Domi , C. Donzaud , D. Dornic , D. Drouhin , T. Eberl , I. El Bojaddaini , D. Elsässer , A. Enzenhöfer , I. Felis , L. A. Fusco , S. Galatà , P. Gay , V. Giordano , H. Glotin , T. Grégoire , R. Gracia Ruiz , K. Graf , S. Hallmann , H. van Haren , A. J. Heijboer , Y. Hello , J. J. Hernández-Rey , J. Hößl , J. Hofestädt , C. Hugon , G. Illuminati , C. W James , M. de Jong , M. Jongen , M. Kadler , O. Kalekin , U. Katz , D. Kießling , A. Kouchner , M. Kreter , I. Kreykenbohm , V. Kulikovskiy , C. Lachaud , R. Lahmann , D. Lefèvre , E. Leonora , M. Lotze , S. Loucatos , M. Marcelin , A. Margiotta , A. Marinelli , J. A. Martínez-Mora , R. Mele , K. Melis , T. Michael , P. Migliozzi , A. Moussa , S. Navas , E. Nezri , M. Organokov , G. E. Păvălaş , C. Pellegrino , C. Perrina , P. Piattelli , V. Popa , T. Pradier , L. Quinn , C. Racca , G. Riccobene , A. Sánchez-Losa , M. Saldaña , I. Salvadori , D. F. E. Samtleben , M. Sanguineti , P. Sapienza , F. Schüssler , C. Sieger , M. Spurio , Th. Stolarczyk , M. Taiuti , Y. Tayalati , A. Trovato , D. Turpin , C. Tönnis , B. Vallage , V. Van Elewyck , F. Versari , D. Vivolo , A. Vizzoca , J. Wilms , J. D. Zornoza , J. Zúñiga

The interaction of a Grand Unification Magnetic Monopole with a nucleon can lead to a barion-number violating process in which the nucleon decays into a lepton and one or more mesons (catalysis of nucleon decay). In this paper we report an…

High Energy Physics - Experiment · Physics 2012-08-27 The MACRO Collaboration

Based on MAGIC observations from June and July 2007, we present upper limits to the E>140 GeV emission from the globular cluster M13. Those limits allow us to constrain the population of millisecond pulsars within M13 and to test models for…

High Energy Astrophysical Phenomena · Physics 2019-08-13 T. Jogler , C. Delgado Mendez , M. T. Costado , W. Bednarek , J. Sitarek

The magnetic monopole was postulated in 1931 by Dirac to explain electric charge quantisation. Searches for pair-produced monopoles are performed at accelerator facilities whenever a new energy regime is made available. In addition,…

High Energy Physics - Experiment · Physics 2013-05-22 P. Mermod

During the last 4 years the MAGIC collaboration has searched for high-energy gamma-ray emission of some of the most promising pulsar candidates. The low energy threshold of MAGIC offered the opportunity for a high sensitivity search just…

High Energy Astrophysical Phenomena · Physics 2019-08-13 R. De los Reyes , W. Bednarek , M. Camara , M. Lopez

The search for rare particles in the cosmic radiation remains one of the main aims of non-accelerator particle astrophysics. Experiments at high altitude allow lower mass thresholds with respect to detectors at sea level or underground. The…

The Tevatron has inspired new interest in the subject of magnetic monopoles. First there was the 1998 D0 limit on the virtual production of monopoles, based on the theory of Ginzburg and collaborators. In 2000 and 2004 results from an…

High Energy Physics - Experiment · Physics 2009-11-11 K. A. Milton

Magnetic monopoles are known to emerge as leading non-perturbative fluctuations in the lattice version of non-Abelian gauge theories in some gauges. In terms of the Dirac quantization condition, these monopoles have magnetic charge |Q_M|=2.…

High Energy Physics - Theory · Physics 2015-06-25 M. N. Chernodub , F. V. Gubarev , M. I. Polikarpov , V. I. Zakharov

An experimental search for an electric-dipole moment (EDM) of the neutron has been carried out at the Institut Laue-Langevin (ILL), Grenoble. Spurious signals from magnetic-field fluctuations were reduced to insignificance by the use of a…

Magnetic monopoles have been a subject of interest since Dirac established the relation between the existence of monopoles and charge quantization. The intense experimental search carried thus far has not met with success. The Large Hadron…

High Energy Physics - Phenomenology · Physics 2012-05-29 Luis N. Epele , Huner Fanchiotti , Carlos A. García Canal , Vasiliki A. Mitsou , Vicente Vento

Using a sample of 38.5 million underground muons collected by the MACRO detector we have performed an all-sky search for pointlike sources producing excesses of muons above the expected background. The d.c. muon flux upper limit at the…

High Energy Physics - Experiment · Physics 2019-08-14 C. Satriano

Unified theories of strong, weak and electromagnetic interactions which have electric charge quantization predict the existence of topologically stable magnetic monopoles. Intermediate scale monopoles are comparable with detection energies…

High Energy Physics - Phenomenology · Physics 2017-12-06 Thomas W. Kephart , George K. Leontaris , Qaisar Shafi