Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory

We present a search for ultrarelativistic 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 r...

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Autor principal: Multitudinario:413
Formato: JOUR
Acceso en línea:http://hdl.handle.net/20.500.12110/paper_24700010_v94_n8_p_Multitudinario
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spelling todo:paper_24700010_v94_n8_p_Multitudinario2023-10-03T16:42:01Z Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory Multitudinario:413 We present a search for ultrarelativistic 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 ultrarelativistic magnetic monopoles range from 10-19(cm2 sr s)-1 for a Lorentz factor γ=109 to 2.5×10-21(cm2 sr s)-1 for γ=1012. These results - the first obtained with a UHECR detector - improve previously published limits by up to an order of magnitude. © 2016 American Physical Society. JOUR info:eu-repo/semantics/openAccess http://creativecommons.org/licenses/by/2.5/ar http://hdl.handle.net/20.500.12110/paper_24700010_v94_n8_p_Multitudinario
institution Universidad de Buenos Aires
institution_str I-28
repository_str R-134
collection Biblioteca Digital - Facultad de Ciencias Exactas y Naturales (UBA)
description We present a search for ultrarelativistic 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 ultrarelativistic magnetic monopoles range from 10-19(cm2 sr s)-1 for a Lorentz factor γ=109 to 2.5×10-21(cm2 sr s)-1 for γ=1012. These results - the first obtained with a UHECR detector - improve previously published limits by up to an order of magnitude. © 2016 American Physical Society.
format JOUR
author Multitudinario:413
spellingShingle Multitudinario:413
Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory
author_facet Multitudinario:413
author_sort Multitudinario:413
title Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory
title_short Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory
title_full Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory
title_fullStr Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory
title_full_unstemmed Search for ultrarelativistic magnetic monopoles with the Pierre Auger observatory
title_sort search for ultrarelativistic magnetic monopoles with the pierre auger observatory
url http://hdl.handle.net/20.500.12110/paper_24700010_v94_n8_p_Multitudinario
work_keys_str_mv AT multitudinario413 searchforultrarelativisticmagneticmonopoleswiththepierreaugerobservatory
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