Cosmic ray-induced high energy gamma-ray emission: a background for WIMP annihilation and massive relic particle models of UHE CR
Date
2001
Authors
Porter, T.
Protheroe, R.
Editors
Advisors
Journal Title
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Volume Title
Type:
Conference paper
Citation
Proceedings of the 27th International Cosmic Ray Conference. 07-15 August, 2001. Under the auspices of the International Union of Pure and Applied Physics (IUPAP): pp.2994-2997
Statement of Responsibility
T. A. Porter and R. J. Protheroe
Conference Name
International Cosmic Ray Conference (27th : 2001 : Hamburg, Germany)
Abstract
The possible discovery of a diffuse galactic halo in GeV gamma-rays has led to several possible dark matter explanations. An important consideration for these models is the uncertainty in the galactic diffuse gamma-ray background. For example, the predicted inverse Compton signal can vary significantly depending on the choice of cosmic ray halo size, or even on the electron injection spectral index. Using a self-consistent propagation model we calculate the distribution of galactic cosmic ray electrons and positrons. Diffuse gamma-ray spectra are obtained using the results of the propagation calculations. We show our results for different propagation model parameters and electron injection spectral indices.
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Dissertation Note
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Description
© Copernicus Gesellschaft 2001