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Galactic cosmic rays and gamma rays: a unified approach

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arxiv astro-ph/9812260 v1 pith:WPG62WU4 submitted 1998-12-14 astro-ph

classification astro-ph
keywords interstellarcosmic-raydataelectronsevaluationgalactichardmany
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We are constructing a model which aims to reproduce observational data of many kinds related to cosmic-ray origin and propagation: direct measurements of nuclei, antiprotons, electrons and positrons, gamma-rays, and synchrotron radiation. These data provide many independent constraints on any model. Propagation of primary and secondary nucleons, primary and secondary electrons and positrons are calculated self-consistently. Fragmentation and energy losses are computed using realistic distributions for the interstellar gas and radiation fields, and diffusive reacceleration is also incorporated. The models are adjusted to agree with the observed cosmic-ray B/C and 10Be/9Be ratios. Our main results include evaluation of diffusion/convection and reacceleration models, estimates of the halo size, calculations of the interstellar positron and antiproton spectra, evaluation of alternative hypotheses of hard nucleon and hard electron interstellar spectra, and computation of the Galactic diffuse gamma-ray emission.

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Cited by 1 Pith paper

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Deciphering the AMS cosmic-ray positron flux

    hep-ph 2019-09 reject novelty 5.0 of 10

    Using the Cannon-Ball model's original priors, the author computes a positron source spectrum whose shape matches AMS data, with an absolute normalization 23% higher than observed.

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