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Related papers: USINE: semi-analytical models for Galactic cosmic-…

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Cosmic rays (CRs) are an integral component of the interstellar medium, producing broadband emission while interacting with other Galactic matter components like the interstellar gas or magnetic fields. In addition to observations,…

High Energy Astrophysical Phenomena · Physics 2022-10-12 Julia Thaler , Ralf Kissmann , Olaf Reimer

AMS-02 on the International Space Station has been releasing data of unprecedented accuracy. This poses new challenges for their interpretation. We refine the methodology to get a statistically sound determination of the cosmic-ray…

High Energy Astrophysical Phenomena · Physics 2019-09-04 L. Derome , D. Maurin , P. Salati , M. Boudaud , Y. Génolini , P. Kunzé

We present a numerical code to simulate maps of Galactic emission in intensity and polarization at microwave frequencies, aiding in the design of Cosmic Microwave Background experiments. This Python code builds on existing efforts to…

Cosmology and Nongalactic Astrophysics · Physics 2017-06-21 Ben Thorne , Jo Dunkley , David Alonso , Sigurd Naess

An extensive program for the calculation of galactic cosmic-ray propagation has been developed. Primary and secondary nucleons, primary and secondary electrons, and secondary positrons are included. The basic spatial propagation mechanisms…

Astrophysics · Physics 2008-02-03 A. W. Strong , I. V. Moskalenko , V. Schoenfelder

This paper describes a new publicly available codebase for modelling galaxy formation in a cosmological context, the "Semi-Analytic Galaxy Evolution" model, or SAGE for short. SAGE is a significant update to that used in Croton et al.…

Cosmic ray (CR) physics has entered a precision-driven era. With the latest AMS-02 nuclei data (boron-to-carbon ratio, proton flux, helium flux and antiproton-to-proton ratio), we perform a global fitting and constrain the primary source…

High Energy Astrophysical Phenomena · Physics 2018-01-31 Jia-Shu Niu , Tianjun Li

We describe a new, free and open source semi-analytic model of galaxy formation, Galacticus. The Galacticus model was designed to be highly modular to facilitate expansion and the exploration of alternative descriptions of key physical…

Cosmology and Nongalactic Astrophysics · Physics 2015-05-19 Andrew J. Benson

Understanding the isotopic composition of cosmic rays (CRs) observed near Earth represents a milestone towards the identification of their origin. Local fluxes contain all the known stable and long-lived isotopes, reflecting the complex…

High Energy Astrophysical Phenomena · Physics 2018-07-11 Carmelo Evoli , Daniele Gaggero , Andrea Vittino , Mattia Di Mauro , Dario Grasso , Mario Nicola Mazziotta

We present version 2 of the DRAGON code designed for computing realistic predictions of the CR densities in the Galaxy. The code numerically solves the interstellar CR transport equation (including inhomogeneous and anisotropic diffusion,…

High Energy Astrophysical Phenomena · Physics 2017-03-28 Carmelo Evoli , Daniele Gaggero , Andrea Vittino , Giuseppe Di Bernardo , Mattia Di Mauro , Arianna Ligorini , Piero Ullio , Dario Grasso

We use the GALPROP cosmic ray (CR) propagation framework to model the diffuse neutrino and gamma-ray emissions from the Galaxy. A collection of realistic bounding models are developed and predictions of the resulting neutrino and gamma-ray…

High Energy Astrophysical Phenomena · Physics 2025-11-14 P. D. Marinos , T. A. Porter , G. P. Rowell , I. V. Moskalenko , G. Jóhannesson

We have developed 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. Our…

Astrophysics · Physics 2007-05-23 A. W. Strong , I. V. Moskalenko

We propose a machine learning method to investigate the propagation of cosmic rays based on the precisely measured spectra of the primary and secondary cosmic ray nuclei of Li, Be, B, C, and O from AMS-02, ACE, and Voyager-1. We train two…

High Energy Astrophysical Phenomena · Physics 2022-03-04 Yue-Lin Sming Tsai , Yi-Lun Chung , Qiang Yuan , Kingman Cheung

We investigate the propagation of ultra-high energy cosmic ray nuclei (A = 1-56) from cosmologically distant sources through the cosmic radiation backgrounds. Various models for the injected composition and spectrum and of the cosmic…

Astrophysics · Physics 2014-10-13 Dan Hooper , Subir Sarkar , Andrew M. Taylor

We present a new simulation engine for fast generation of ultra-high energy cosmic ray data based on parametrizations of common assumptions of UHECR origin and propagation. Implemented are deflections in unstructured turbulent extragalactic…

High Energy Astrophysical Phenomena · Physics 2014-01-09 Hans-Peter Bretz , Martin Erdmann , Peter Schiffer , David Walz , Tobias Winchen

New surveys such as ESA's Euclid mission are planned to map with unprecedented precision the large-scale structure of the Universe by measuring the 3D positions of tens of millions of galaxies. It is necessary to develop theoretically…

Cosmic rays are nowadays a crucial tool to study the astrophysics of extreme objects in the Universe, the cosmic environmental plasma (both Galactic and extra-galactic), the physics of nuclear interactions or the properties of elementary…

High Energy Astrophysical Phenomena · Physics 2022-02-16 Pedro de la Torre Luque

We present an updated version of the {\it SimProp} Monte Carlo code to study the propagation of ultra high energy cosmic rays in astrophysical backgrounds computing the cosmogenic neutrino fluxes expected on earth. The study of secondary…

High Energy Astrophysical Phenomena · Physics 2015-08-11 R. Aloisio , D. Boncioli , A. di Matteo , A. F. Grillo , S. Petrera , F. Salamida

This work reviews the current state of the antideuteron ($\bar{d}$) production cross-sections in cosmic ray interactions and its uncertainties, considering the coalescence model and measurements in accelerator experiments. These…

High Energy Astrophysical Phenomena · Physics 2025-01-27 Luis Fernando Galicia Cruztitla , Diego Mauricio Gomez Coral

Thanks to tremendous experimental efforts, galactic cosmic-ray fluxes are being measured up to the unprecedented per cent precision level. The logarithmic slope of these fluxes is a crucial quantity that promises us information on the…

High Energy Astrophysical Phenomena · Physics 2025-03-21 M. Vecchi , P. -I. Batista , E. F. Bueno , L. Derome , Y. Génolini , D. Maurin

Contact binary stars have been known to have a peculiar and somewhat mysterious hydro- and thermodynamical structure since their discovery, which directly affects the radiation distribution in their atmospheres. Over the past several…

Solar and Stellar Astrophysics · Physics 2018-04-25 Angela Kochoska , Andrej Prša , Tomaž Zwitter , Martin Horvat , Kyle E. Conroy