Inward diffusion and loss of radiation belt protons

Selesnick, R. S.; Baker, D. N.; Jaynes, A. N.; Li, X.; Kanekal, S. G.; Hudson, M. K.; Kress, B. T.

doi:10.1002/2015ja022154

i

Inward diffusion and loss of radiation belt protons

Supporting Files

2016
By Selesnick, R. S. ; Baker, D. N. ; Jaynes, A. N. ; ...

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Journal Title:

Journal of Geophysical Research: Space Physics
Personal Author:

Selesnick, R. S. ; Baker, D. N. ; Jaynes, A. N. ; Li, X. ; Kanekal, S. G. ; Hudson, M. K. ; Kress, B. T.
NOAA Program & Office:

NESDIS (National Environmental Satellite, Data, and Information Service) ; NCEI (National Centers for Environmental Information)
Description:

Radiationbeltprotonsinthekineticenergyrange24to76MeVarebeingmeasuredbythe RelativisticElectronProtonTelescopeoneachofthetwoVanAllenProbes.Datahavebeenprocessedfor thepurposeofstudyingvariabilityinthetrappedprotonintensityduringOctober2013toAugust2015.Forthelowerenergies( ≲32MeV),equatorialprotonintensitynear L=2showedasteadyincreasethatis consistentwithinwarddiﬀusionoftrappedsolarprotons,asshownbypositiveradialgradientsinphase spacedensityatﬁxedvaluesoftheﬁrsttwoadiabaticinvariants.Itispostulatedthattheseprotonsweretrappedwithenhancedeﬃciencyduringthe7March2012solarprotonevent.Amodelthatincludesradial diﬀusion,alongwithknowntrappedprotonsourceandlossprocesses,showsthattheobservedaverage
Keywords:

Geophysics Space And Planetary Science Space And Planetary Science Space And Planetary Science
Source:

Journal of Geophysical Research: Space Physics, 121(3), 1969-1978
DOI:

https://doi.org/10.1002/2015ja022154
ISSN:

2169-9380 ; 2169-9402
Format:

PDF
Publisher:

American Geophysical Union (AGU)
Document Type:

Journal Article
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Other
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Library
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urn:sha256:1af5f908e7de4a9bd12b624c302e45672b23013c0f7247584ec0e04150cbaf89
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https://repository.library.noaa.gov/view/noaa/54620/noaa_54620_DS1.pdf
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[PDF - 627.69 KB ]

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