Evaluation of solar proton spectra using balloon cosmic ray observations and Monte Carlo simulation results

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dc.contributor.authorMakhmutov V.S.
dc.contributor.authorDesorgher L.
dc.contributor.authorBazilevskaya G.A.
dc.contributor.authorFluckiger E.
dc.contributor.authorRaulin J.-P.
dc.date.accessioned2024-03-13T01:41:03Z
dc.date.available2024-03-13T01:41:03Z
dc.date.issued2007
dc.description.abstractWe have developed a method to evaluate the spectrum of solar energetic protons at the top of the Earth's atmosphere from the measurements of our balloon cosmic ray experiment. By using the Monte Carlo PLANETOCOSMICS code based on Geant4 we compute the interaction of solar protons [10 MeV-10 GeV] with the Earth's atmosphere. We obtain the angular and energy distributions of secondary particles (p, e - , e + , photons, muons) at different atmospheric levels as a function of primary proton spectra. By comparing the calculated depth dependence of the particle flux with the data obtained by our balloon experiment we can deduce the parameters of the solar proton spectrum that best fit the observations. In this paper we discuss our solar proton spectrum estimation method, and present results of its application to selected solar proton events from 2001 to 2005. © 2007 COSPAR.
dc.description.firstpage1458
dc.description.issuenumber9
dc.description.lastpage1461
dc.description.volume39
dc.identifier.doi10.1016/j.asr.2007.01.042
dc.identifier.issn0273-1177
dc.identifier.urihttps://dspace.mackenzie.br/handle/10899/37712
dc.relation.ispartofAdvances in Space Research
dc.rightsAcesso Restrito
dc.subject.otherlanguageAtmosphere
dc.subject.otherlanguageCosmic rays
dc.subject.otherlanguageEnergy spectrum
dc.subject.otherlanguageGeant4
dc.subject.otherlanguageMonte Carlo simulation
dc.subject.otherlanguageSolar energetic particle events
dc.titleEvaluation of solar proton spectra using balloon cosmic ray observations and Monte Carlo simulation results
dc.typeArtigo
local.scopus.citations5
local.scopus.eid2-s2.0-34250173520
local.scopus.subjectEnergy spectrum
local.scopus.subjectSecondary particles
local.scopus.subjectSolar energetic particle events
local.scopus.updated2024-05-01
local.scopus.urlhttps://www.scopus.com/inward/record.uri?partnerID=HzOxMe3b&scp=34250173520&origin=inward
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