Results 1 to 10 of about 41,517 (256)

Coronal radiation belts [PDF]

The Astrophysical Journal, 2009
The magnetic field of the solar corona has a large-scale dipole character, which maps into the bipolar field in the solar wind. Using standard representations of the coronal field, we show that high-energy ions can be trapped stably in these large-scale ...
A. L. MacKinnon, Elliot, H. S. Hudson, Harvey, Kahler, Lin, M. L. DeRosa, Mewaldt, Mikić, Moskalenko, Northrop, Parks, Press, S. F. N. Frewen, Schrijver, Sudol   +15 more
core   +2 more sources

Wave-induced loss of ultra-relativistic electrons in the Van Allen radiation belts. [PDF]

Nat Commun, 2016
The dipole configuration of the Earth's magnetic field allows for the trapping of highly energetic particles, which form the radiation belts. Although significant advances have been made in understanding the acceleration mechanisms in the radiation belts,
Shprits YY, Drozdov AY, Spasojevic M, Kellerman AC, Usanova ME, Engebretson MJ, Agapitov OV, Zhelavskaya IS, Raita TJ, Spence HE, Baker DN, Zhu H, Aseev NA.   +12 more
europepmc   +3 more sources

Scattering of Ultra-relativistic Electrons in the Van Allen Radiation Belts Accounting for Hot Plasma Effects. [PDF]

Sci Rep, 2017
Electron flux in the Earth's outer radiation belt is highly variable due to a delicate balance between competing acceleration and loss processes. It has been long recognized that Electromagnetic Ion Cyclotron (EMIC) waves may play a crucial role in the ...
Cao X, Shprits YY, Ni B, Zhelavskaya IS.
europepmc   +4 more sources

Observations of Radiation Belt Losses Due to Cyclotron Wave-Particle Interactions [PDF]

, 2020
Electron loss to the atmosphere plays a critical role in driving dynamics of the Earths Van Allen radiation belts and slot region. This is a review of atmospheric loss of radiation belt electrons caused by plasma wave scattering via Doppler-shifted ...
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Discovery of a transient radiation belt at Saturn [PDF]

, 2008
Radiation belts have been detected in situ at five planets. Only at Earth however has any variability in their intensity been heretofore observed, in indirect response to solar eruptions and high altitude nuclear explosions. The Cassini spacecraft's MIMI/
Armstrong, TP, Dialynas, K, Hamilton, DC, Jones, GH, Krimigis, SM, Krupp, N, Mitchell, DG, Paranicas, C, Roussos, E, Sergis, N   +9 more
core   +1 more source

Ganymede's Radiation Cavity and Radiation Belts

Geophysical Research Letters, 2022
Abstract While planetary radiation belts are all embedded within the low energy solar wind, Ganymede is in the unique situation of being surrounded by the energetic particles of Jupiter's magnetosphere. Here we study Ganymede's environment based the recent flyby of Juno, as well as through reanalysis of past measurements from the ...
P. Kollmann, G. Clark, C. Paranicas, B. Mauk, D. Haggerty, A. Rymer, F. Allegrini   +6 more
openaire   +1 more source

Relativistic surfatron process for Landau resonant electrons in radiation belts [PDF]

, 2014
Recent theoretical studies of the nonlinear wave-particle interactions for relativistic particles have shown that Landau resonant orbits could be efficiently accelerated along the mean background magnetic field for propagation angles $\theta$ in close ...
Hamza, A. M., Osmane, A.
core   +3 more sources

The global response of relativistic radiation belt electrons to the January 1997 magnetic cloud [PDF]

, 1998
In January 1997 a large fleet of NASA and US military satellites provided the most complete observations to date of the changes in \u3e2 MeV electrons during a geomagnetic storm. Observations at geosynchronous orbit revealed a somewhat unusual two-peaked
Baker, D. N., Belian, R. D., Blake, J. B., Cayton, T. E., Fennell, J. F., Friedel, R. H.W., Meier, M. M., Reeves, G. D., Selesnick, R. S., Spence, Harlan E.   +9 more
core   +2 more sources

Wave-particle interactions in the outer radiation belts [PDF]

, 2015
Data from the Van Allen Probes have provided the first extensive evidence of non-linear (as opposed to quasi-linear) wave-particle interactions in space with the associated rapid (fraction of a bounce period) electron acceleration to hundreds of keV by ...
Agapitov, O. V., Artemyev, A. V., Krasnoselskikh, V. V., Mourenas, D., Mozer, F. S.   +4 more
core   +3 more sources

The Chandra X-Ray Observatory's Radiation Environment and the AP-8/AE-8 Model

, 2000
The Chandra X-ray Observatory (CXO) was launched on July 23, 1999 and reached its final orbit on August 7, 1999. The CXO is in a highly elliptical orbit, approximately 140,000 km x 10,000 km, and has a period of approximately 63.5 hours (~ 2.65 days). It
Butt, Yousaf M., Mueller-Mellin, Reinhold, Plucinsky, Paul P., Virani, Shanil N.   +3 more
core   +2 more sources