The DOI matches its Crossref record; 50 of the 50 references it cites were found in a registry or an index.
CONSTRAINTS ON COSMIC-RAY PROPAGATION MODELS FROM A GLOBAL BAYESIAN ANALYSIS
Open accessAbstract
Research in many areas of modern physics such as, e.g., indirect searches for dark matter and particle acceleration in supernova remnant shocks rely heavily on studies of cosmic rays (CRs) and associated diffuse emissions (radio, microwave, X-rays, γ-rays). While very detailed numerical models of CR propagation exist, a quantitative statistical analysis of such models has been so far hampered by the large computational effort that those models require. Although statistical analyses have been carried out before using semi-analytical models (where the computation is much faster), the evaluation of the results obtained from such models is difficult, as they necessarily suffer from many simplifying assumptions. The main objective of this paper is to present a working method for a full Bayesian parameter estimation for a numerical CR propagation model. For this study, we use the GALPROP code, the most advanced of its kind, which uses astrophysical information, and nuclear and particle data as inputs to self-consistently predict CRs, γ-rays, synchrotron, and other observables. We demonstrate that a full Bayesian analysis is possible using nested sampling and Markov Chain Monte Carlo methods (implemented in the SuperBayeS code) despite the heavy computational demands of a numerical propagation code. The best-fit values of parameters found in this analysis are in agreement with previous, significantly simpler, studies also based on GALPROP.
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Cites
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Self-citationSolar Modulation of Galactic Cosmic Rays
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Naab, T., & Ostriker, J. P. (2017) · Annual Review of Astronomy and Astrophysics · doi:10.1146/annurev-astro-081913-040019 · Cited by 722
FERMI-LAT OBSERVATIONS OF HIGH-ENERGY γ-RAY EMISSION TOWARD THE GALACTIC CENTER
Ajello, M., Albert, A., Atwood, W. B., Barbiellini, G., Bastieri, D., Bechtol, K., Bellazzini, R., Bissaldi, E., Blandford, R. D., Bloom, E. D., et al. (2016) · The Astrophysical Journal · doi:10.3847/0004-637x/819/1/44 · Cited by 401
Self-citationAguilar, M., Ali Cavasonza, L., Alpat, B., Ambrosi, G., Arruda, L., Attig, N., Aupetit, S., Azzarello, P., Bachlechner, A., Barao, F., et al. (2017) · Physical Review Letters · doi:10.1103/physrevlett.119.251101 · Cited by 293
Fermi bubbles from stochastic acceleration of electrons in a Galactic outflow
Mertsch, P., & Petrosian, V. (2019) · Astronomy & Astrophysics · doi:10.1051/0004-6361/201833999 · Cited by 15
Metadata
- Authors
- Trotta, R., Jóhannesson, G., Moskalenko, I. V., Porter, T. A., Ruiz de Austri, R., & Strong, A. W.
- Venue
- The Astrophysical Journal
- Publisher
- American Astronomical Society
- Published
- 2011-02-15
- Volume
- 729
- Issue
- 2
- Pages
- 106
- ISSN
- 0004-637X (ISSN-L)
- 1538-4357
- OpenAlex
- W1998162090
- Cited by
- 332
- References
- 50
- FWCI
- 11.88
- Type
- journal article
- Language
- en
- Open access
- bronze
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- Trotta, R., Jóhannesson, G., Moskalenko, I. V., Porter, T. A., Ruiz de Austri, R., & Strong, A. W. (2011). CONSTRAINTS ON COSMIC-RAY PROPAGATION MODELS FROM A GLOBAL BAYESIAN ANALYSIS. The Astrophysical Journal. https://doi.org/10.1088/0004-637x/729/2/106
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