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Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory

descriptionPublicationkeyboard_double_arrow_right Article , Preprint , Journal 03 Oct 2016Embargo end date: 01 Jan 2016 Spain, Netherlands, Italy, Netherlands, Italy, Germany, Italy, Netherlands, Netherlands, Italy, France, Italy, Australia, Germany, Italy, Italy, Australia, Italy, Germany Publisher:American Physical Society (APS)Journal:Physical Review D, volume 94 (issn: 2470-0010, eissn: 2470-0029,

Authors: G. Cataldi; A. Yushkov; Karl-Heinz Kampert; Zbigniew Szadkowski; R. Piegaia; A. Shadkam; S. G. Blaess; +193 Authors

G. Cataldi; A. Yushkov; Karl-Heinz Kampert; Zbigniew Szadkowski; R. Piegaia; A. Shadkam; S. G. Blaess; F. Suarez; Antonio Bueno; Igor Katkov; R. Sato; Olivier Deligny; M. L. Díaz Castro; Stefano D'Amico; Rossella Caruso; J. A.J. Matthews; Julien Aublin; Julien Aublin; J. Biteau; H.O. Klages; Jörg R. Hörandel; E. J. Quel; Jan Ebr; Jeffrey A. Johnsen; M. Pimenta; A. López Casado; C. Aramo; Francesca Zuccarello; Danielle LaHurd; M. Unger; Rúben Conceição; Stijn Buitink; B. Tome; Brian Fick; Marco Torri; Martin Erdmann; H. Gemmeke; J. Phuntsok; Silvia Mollerach; M. R. Hampel; Esteban Roulet; S. Quinn; J. R. Vázquez; L. A. S. Pereira; D. Nosek; G. Medina-Tanco; N. Krohm; F. Salamida; A. E. Herve; J. R. T. de Mello Neto; G. A. Anastasi; B. Sarkar; Carlos Escobar; J. Debatin; Antonella Castellina; V. M. Theodoro; Nataliia Borodai; Jaime Alvarez-Muñiz; David Walz; Dieter Heck; B. Revenu; A. Dorofeev; A. C. Rovero; M. Kleifges; Markus Lauscher; O. Martínez Bravo; R. A. Vázquez; Marc Weber; A. Di Matteo; J. Stasielak; G. Farrar; L. Ochilo; R.J. Barreira Luz; R.J. Barreira Luz; Xavier Bertou; A. Blanco; A. Blanco; Martina Bohacova; M. J. Cooper; A. Śmiałkowski; Katrin Link; M. Ambrosio; Samo Stanič; I. Naranjo; G. van Aar; Max Malacari; C. Porowski; J. Alvarez Castillo; Norberto Fazzini; Tim Huege; S. J. De Jong; B. Vargas Cárdenas; Carla Bonifazi; I.M. Brancus; B. Wundheiler; A. Filipčič; M. Schauer; J. Neuser; André Schulz; L. Perrone; Pavel Horvath; Andrej Dundovic; Trent D. Grubb; Peter Buchholz; J. W. Cronin; Marcus Niechciol; S. J. Sciutto; Marco Aglietta; Marco Aglietta; N. Kunka; R.C. dos Anjos; D. Martello; J. Hulsman; S. Messina; Tim Niggemann; S. Jansen; Benedikt Zimmermann; A. Fuster; P. Sanchez-Lucas; V. Novotny; Lorenzo Caccianiga; Christine Peters; Thomas Harrison; M. Trini; Ingomar Allekotte; L. Niemietz; M. Zavrtanik; R. López; F. Sánchez; E. Santos; G. Torralba Elipe; Nicolás González; M. Risse; Francesco Strafella; H. Wilczyński; Gualberto Avila; Harald Schieler; L. Molina-Bueno; Heino Falcke; John N. Matthews; Alan Watson; Kai Daumiller; Octavian Fratu; Gaia Silli; Alberto Daniel Supanitsky; P. Ristori; I. A. Minaya; M. Erfani; Johannes Schulz; F. Montanet; A. Lucero; R. Squartini; J. Vicha; F. Canfora; Paula Gina Isar; S. Mathys; Lili Yang; A. Kuotb Awad; Martin Urban; Alexandru Balaceanu; J. J. Masías Meza; P. Abreu; P. Abreu; F. Diogo; J. Ridky; Charles Timmermans; Carlos Hojvat; H. Nožka; C. J. Todero Peixoto; A. G. Mariazzi; R. Gaior; L. Nellen; Philipp Papenbreer; Foteini Oikonomou; R. Legumina; A. G. Chavez; Luis A. Nunez; Peter Mazur; M. Prouza; L. Valore; Darko Veberič; Mihai Niculescu-Oglinzanu; M. Plum; David Wittkowski; E.M. Holt; Corbin Covault; Florian Lukas Briechle; L. Lopes; S. Querchfeld; Paul M. Mantsch; Hernán Asorey; Hernán Asorey; Lukas Middendorf; A. Parra; Denise Boncioli; P. Pieroni; E. Kemp; Enrique Zas; R. Ramos-Pollan; R. Sarmento;

Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory

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Abstract

We present a search for ultra-relativistic magnetic monopoles with the Pierre Auger Observatory. Such particles, possibly a relic of phase transitions in the early universe, would deposit a large amount of energy along their path through the atmosphere, comparable to that of ultrahigh-energy cosmic rays (UHECRs). The air shower profile of a magnetic monopole can be effectively distinguished by the fluorescence detector from that of standard UHECRs. No candidate was found in the data collected between 2004 and 2012, with an expected background of less than 0.1 event from UHECRs. The corresponding 90% confidence level (C.L.) upper limits on the flux of ultra-relativistic magnetic monopoles range from $10^{-19}$ (cm$^{2}$ sr s)$^{-1}$ for a Lorentz factor $��=10^9$ to $2.5 \times10^{-21}$ (cm$^{2}$ sr s)$^{-1}$ for $��=10^{12}$. These results - the first obtained with a UHECR detector - improve previously published limits by up to an order of magnitude.

Published version. Corrected title. Added journal reference and DOI. Added Report Number

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Spain, Netherlands, Italy, Netherlands, Italy, Germany, Italy, Netherlands, Netherlands, Italy, France, Italy, Australia, Germany, Italy, Italy, Australia, Italy, Germany

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Keywords

FLUORESCENCE YIELD, fluorescence yield; energy-loss; detector; flux, Astronomy, magnetic monopole, magnetic field, Fluorescence yield, Settore FIS/04 - Fisica Nucleare e Subnucleare, UHE Cosmic Rays, info:eu-repo/classification/ddc/530, Monte Carlo, Magnetic Monopoles, High Energy Astrophysical Phenomena (astro-ph.HE), Physics, ddc:530, Settore FIS/01 - Fisica Sperimentale, critical phenomena, FLUORESCENCE YIELD; ENERGY LOSS; DETECTOR, 520, Auger, observatory, Física nuclear, Astrophysics - High Energy Astrophysical Phenomena, spatial distribution [showers], Lorentz, atmosphere [showers], FLUX, [PHYS.ASTR.HE]Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Nuclear and High Energy Physics, air, 539.1, UHE [cosmic radiation], FOS: Physical sciences, 530, Settore FIS/05 - Astronomia e Astrofisica, High Energy Physics, DETECTOR, fluorescence [detector], Flux, background, [ PHYS.ASTR.HE ] Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], Detector, 2207 Física Atómica y Nuclear, flux, Energy loss, Experimental High Energy Physics, relativistic, galaxy, ENERGY-LOSS, [PHYS.ASTR.HE] Physics [physics]/Astrophysics [astro-ph]/High Energy Astrophysical Phenomena [astro-ph.HE], ddc: ddc:530

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