Observational consequences of the local re-acceleration thick-target model

In our contribution we compare the efficiency of the hard X-ray production and the vertical sizes and positions of the hard X-ray sources for the classical collisional thick-target model and for its recently proposed modification, the local re-acceleration thick-target model. The latter model has be...

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Published inJournal of physics. Conference series Vol. 440; no. 1; pp. 12013 - 7
Main Authors Varady, M, Moravec, Z, Karlický, M, Kašparová, J
Format Journal Article
LanguageEnglish
Published Bristol IOP Publishing 01.01.2013
Subjects
Atmospheres
Flares
Magnetic fields
Physics
Relativistic particles
Solar flares
Vertical orientation
X ray sources
X-rays
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Abstract In our contribution we compare the efficiency of the hard X-ray production and the vertical sizes and positions of the hard X-ray sources for the classical collisional thick-target model and for its recently proposed modification, the local re-acceleration thick-target model. The latter model has been proposed in order to ease some of the severe theoretical problems of the collisional thick-target model related to interpretation of the observational properties of the foot-point HXR sources in solar flares. The results are obtained using a relativistic test-particle approach for a fully ionised atmosphere with a converging magnetic field and a single (compact) flare loop.
AbstractList In our contribution we compare the efficiency of the hard X-ray production and the vertical sizes and positions of the hard X-ray sources for the classical collisional thick-target model and for its recently proposed modification, the local re-acceleration thick-target model. The latter model has been proposed in order to ease some of the severe theoretical problems of the collisional thick-target model related to interpretation of the observational properties of the foot-point HXR sources in solar flares. The results are obtained using a relativistic test-particle approach for a fully ionised atmosphere with a converging magnetic field and a single (compact) flare loop.
Author Kašparová, J
Moravec, Z
Varady, M
Karlický, M
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10.1109/TPS.2010.2057449
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SubjectTerms Atmospheres
Flares
Magnetic fields
Physics
Relativistic particles
Solar flares
Vertical orientation
X ray sources
X-rays
Title Observational consequences of the local re-acceleration thick-target model
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