Diffused Gamma-Rays and the Cosmic-Ray Propagation

Details Diffused Gamma-Rays and the Cosmic-Ray Propagation Diffused Gamma-Rays and the Cosmic-Ray Propagation

Jul 2003

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003icrc....4.2301s&link_type=abstract

Proceedings of the 28th International Cosmic Ray Conference. July 31-August 7, 2003. Trukuba, Japan. Under the auspices of the I

Physics

1

Scientific paper

We present analytically the spatial distribution of diffused γ -ray as well as the energy distribution. We assume our Galaxy is boundaryless both in longitudinal and the latitudinal directions, and the Galactic parameters such as the diffusion coefficient and the gas density depend on the position r (r, z ). We found both the longitudinal and the latitudinal spread of diffused γ ray near the Galactic plane are well reproduced by π 0 → 2γ process if we cho ose appropriate Galactic parameters. We also discuss the energy distribution from the Galactic plane, fo cussing to the enhancement problem of the diffused γ -ray, nowadays indisputable.

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