Nonuniform Target Ionization and Fitting Thick Target Electron Injection Spectra to RHESSI Data

2003 ◽  
pp. 419-429
Author(s):  
Eduard P. Kontar ◽  
John C. Brown ◽  
Guillian K. McArthur
Keyword(s):  
Electron Injection ◽  
Thick Target ◽  
Target Electron ◽  
Rhessi Data

The Electron Injection Function and Energy‐dependent Delays in Thick‐Target Hard X‐Rays

1998 ◽  
Vol 509 (2) ◽  
pp. 911-917 ◽  
Author(s):  
John C. Brown ◽  
Andrew J. Conway ◽  
Markus J. Aschwanden
Keyword(s):  
Electron Injection ◽  
Thick Target ◽  
X Rays ◽  
Energy Dependent ◽  
Injection Function

scholarly journals Return Current Instability in Flares

1989 ◽  
Vol 104 (2) ◽  
pp. 313-316
Author(s):  
D. Cromwell ◽  
P. McQuillan ◽  
J.C. Brown
Keyword(s):  
Solar Flares ◽  
Small Area ◽  
Thick Target ◽  
Target Electron ◽  
Return Current ◽  
Ion Acoustic Wave ◽  
X Ray ◽  
Acoustic Wave Generation ◽  
Bremsstrahlung Emission ◽  
Current Instability

AbstractWe consider the problem of ion-acoustic wave generation, and resultant anomalous Joule heating, by a return current driven unstable by a small-area thick-target electron beam in solar flares. We find that, contrary to the usual assumption, the hard X-ray bremsstrahlung emission may actually be enhanced in comparison to conventional thick-target models. This present paper is a summary of the work of Cromwell, McQuillan and Brown (1988).

scholarly journals Plasma Wave Generation by Thick Target Electron Beams in Solar Flares

1989 ◽  
Vol 104 (2) ◽  
pp. 309-312
Author(s):  
K.G. McClements
Keyword(s):  
Solar Flares ◽  
State Energy ◽  
Electron Beams ◽  
Plasma Heating ◽  
Reverse Current ◽  
Thick Target ◽  
Hydrostatic Equilibrium ◽  
Energy Losses ◽  
Temperature Structure ◽  
Target Electron

AbstractWe investigate numerically the effect of a finite density gradient on the Langmir wavelevel produced by an electron beam in the flaring solar corona. The energy losses and associated plasma heating resulting from the presence of a beam-neutralizing reverse current are taken into account. The density and temperature structure of the background plasma are determined self-consistently, assuming steady state energy balance and hydrostatic equilibrium. The implications of our results for flare acceleration mechanisms are discussed.

Efficient Electron Injection into Organic Semiconductors Induced by Hydrogen Bonds

2019 ◽  
pp. 840
Author(s):  
Hirohiko Fukagawa ◽  
Munehiro Hasegawa ◽  
Katsuyuki Morii ◽  
Kazuma Suzuki ◽  
Tsubasa Sasaki ◽  
...  
Keyword(s):  
Hydrogen Bonds ◽  
Organic Semiconductors ◽  
Electron Injection
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