Bremsstrahlung energy loss of electrons passing through a plasma

Free access article

Issue		A&A Volume 423, Number 3, September I 2004


Page(s)		793 - 795
Section		Astrophysical processes
DOI		http://dx.doi.org/10.1051/0004-6361:20040377

A&A 423, 793-795 (2004)
DOI: 10.1051/0004-6361:20040377

Research Note

Bremsstrahlung energy loss of electrons passing through a plasma

E. Haug

Institut für Astronomie und Astrophysik, Universität Tübingen, 72076 Tübingen, Auf der Morgenstelle 10, Germany
e-mail: haug@tat.physik.uni-tuebingen.de

(Received 3 March 2004 / Accepted 25 May 2004 )

Abstract
The average energy loss due to bremsstrahlung emission of electrons passing through a plasma is calculated. In particular, the contribution of electron-electron bremsstrahlung is specified. The bremsstrahlung losses are compared with the energy loss by collisions with ambient electrons. Above electron energies of 510 MeV the energy loss due to bremsstrahlung predominates.

Key words: radiation mechanisms: nonthermal

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