Probing the radio emission from air showers with polarization measurements

The emission of radio waves from air showers has been attributed to the so-called geomagnetic emission process. At frequencies around 50 MHz this process leads to coherent radiation which can be observed with rather simple setups. The direction of the electric field induced by this emission process...

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Detalles Bibliográficos
Autores: Arqueros Martínez, Fernando, Blanco Ramos, Francisco, García Pinto, Diego, Minaya Flores, Ignacio Andrés, Ortiz Ramis, Montserrat, Rosado Vélez, Jaime, Vázquez Peñas, José Ramón
Tipo de recurso: artículo
Fecha de publicación:2014
País:España
Institución:Universidad Complutense de Madrid (UCM)
Repositorio:Docta Complutense
Idioma:inglés
OAI Identifier:oai:docta.ucm.es:20.500.14352/34799
Acceso en línea:https://hdl.handle.net/20.500.14352/34799
Access Level:acceso abierto
Palabra clave:539.1
Monte-carlo simulations
Cosmic-rays
Codalema
Detector
Pulses
Thunderstorms
Radiation
Signals
Field
Física nuclear
2207 Física Atómica y Nuclear
id ES_c4fbd9f2e4972d0fb32ae9ef3ac4777a
oai_identifier_str oai:docta.ucm.es:20.500.14352/34799
network_acronym_str ES
network_name_str España
repository_id_str
spelling Probing the radio emission from air showers with polarization measurementsArqueros Martínez, FernandoBlanco Ramos, FranciscoGarcía Pinto, DiegoMinaya Flores, Ignacio AndrésOrtiz Ramis, MontserratRosado Vélez, JaimeVázquez Peñas, José Ramón539.1Monte-carlo simulationsCosmic-raysCodalemaDetectorPulsesThunderstormsRadiationSignalsFieldFísica nuclear2207 Física Atómica y NuclearThe emission of radio waves from air showers has been attributed to the so-called geomagnetic emission process. At frequencies around 50 MHz this process leads to coherent radiation which can be observed with rather simple setups. The direction of the electric field induced by this emission process depends only on the local magnetic field vector and on the incoming direction of the air shower. We report on measurements of the electric field vector where, in addition to this geomagnetic component, another component has been observed that cannot be described by the geomagnetic emission process. The data provide strong evidence that the other electric field component is polarized radially with respect to the shower axis, in agreement with predictions made by Askaryan who described radio emission from particle showers due to a negative charge excess in the front of the shower. Our results are compared to calculations which include the radiation mechanism induced by this charge-excess process.Amer Physical SocUniversidad Complutense de Madrid20142014-03-1420142014-03-14journal articlehttp://purl.org/coar/resource_type/c_6501info:eu-repo/semantics/articleapplication/pdfhttps://hdl.handle.net/20.500.14352/34799reponame:Docta Complutenseinstname:Universidad Complutense de Madrid (UCM)Inglésengopen accesshttp://purl.org/coar/access_right/c_abf2info:eu-repo/semantics/openAccessoai:docta.ucm.es:20.500.14352/347992026-06-02T12:44:21Z
dc.title.none.fl_str_mv Probing the radio emission from air showers with polarization measurements
title Probing the radio emission from air showers with polarization measurements
spellingShingle Probing the radio emission from air showers with polarization measurements
Arqueros Martínez, Fernando
539.1
Monte-carlo simulations
Cosmic-rays
Codalema
Detector
Pulses
Thunderstorms
Radiation
Signals
Field
Física nuclear
2207 Física Atómica y Nuclear
title_short Probing the radio emission from air showers with polarization measurements
title_full Probing the radio emission from air showers with polarization measurements
title_fullStr Probing the radio emission from air showers with polarization measurements
title_full_unstemmed Probing the radio emission from air showers with polarization measurements
title_sort Probing the radio emission from air showers with polarization measurements
dc.creator.none.fl_str_mv Arqueros Martínez, Fernando
Blanco Ramos, Francisco
García Pinto, Diego
Minaya Flores, Ignacio Andrés
Ortiz Ramis, Montserrat
Rosado Vélez, Jaime
Vázquez Peñas, José Ramón
author Arqueros Martínez, Fernando
author_facet Arqueros Martínez, Fernando
Blanco Ramos, Francisco
García Pinto, Diego
Minaya Flores, Ignacio Andrés
Ortiz Ramis, Montserrat
Rosado Vélez, Jaime
Vázquez Peñas, José Ramón
author_role author
author2 Blanco Ramos, Francisco
García Pinto, Diego
Minaya Flores, Ignacio Andrés
Ortiz Ramis, Montserrat
Rosado Vélez, Jaime
Vázquez Peñas, José Ramón
author2_role author
author
author
author
author
author
dc.contributor.none.fl_str_mv Universidad Complutense de Madrid
dc.subject.none.fl_str_mv 539.1
Monte-carlo simulations
Cosmic-rays
Codalema
Detector
Pulses
Thunderstorms
Radiation
Signals
Field
Física nuclear
2207 Física Atómica y Nuclear
topic 539.1
Monte-carlo simulations
Cosmic-rays
Codalema
Detector
Pulses
Thunderstorms
Radiation
Signals
Field
Física nuclear
2207 Física Atómica y Nuclear
description The emission of radio waves from air showers has been attributed to the so-called geomagnetic emission process. At frequencies around 50 MHz this process leads to coherent radiation which can be observed with rather simple setups. The direction of the electric field induced by this emission process depends only on the local magnetic field vector and on the incoming direction of the air shower. We report on measurements of the electric field vector where, in addition to this geomagnetic component, another component has been observed that cannot be described by the geomagnetic emission process. The data provide strong evidence that the other electric field component is polarized radially with respect to the shower axis, in agreement with predictions made by Askaryan who described radio emission from particle showers due to a negative charge excess in the front of the shower. Our results are compared to calculations which include the radiation mechanism induced by this charge-excess process.
publishDate 2014
dc.date.none.fl_str_mv 2014
2014-03-14
2014
2014-03-14
dc.type.none.fl_str_mv journal article
http://purl.org/coar/resource_type/c_6501
dc.type.openaire.fl_str_mv info:eu-repo/semantics/article
format article
dc.identifier.none.fl_str_mv https://hdl.handle.net/20.500.14352/34799
url https://hdl.handle.net/20.500.14352/34799
dc.language.none.fl_str_mv Inglés
eng
language_invalid_str_mv Inglés
language eng
dc.rights.none.fl_str_mv open access
http://purl.org/coar/access_right/c_abf2
dc.rights.openaire.fl_str_mv info:eu-repo/semantics/openAccess
rights_invalid_str_mv open access
http://purl.org/coar/access_right/c_abf2
eu_rights_str_mv openAccess
dc.format.none.fl_str_mv application/pdf
dc.publisher.none.fl_str_mv Amer Physical Soc
publisher.none.fl_str_mv Amer Physical Soc
dc.source.none.fl_str_mv reponame:Docta Complutense
instname:Universidad Complutense de Madrid (UCM)
instname_str Universidad Complutense de Madrid (UCM)
reponame_str Docta Complutense
collection Docta Complutense
repository.name.fl_str_mv
repository.mail.fl_str_mv
_version_ 1869418949427331072
score 15.228081

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