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Antideuteron production cross-sections estimated using EPOS-LHC with a coalescence afterburner, tuned to reproduce published experimental data over a wide range of energy were used here as input to the galactic propagator code GALPROP,…

High Energy Astrophysical Phenomena · Physics 2020-09-03 Diego Mauricio Gomez Coral , Arturo Menchaca-Rocha

We have developed a model which aims to reproduce observational data of many kinds related to cosmic-ray (CR) origin and propagation: direct measurements of nuclei, antiprotons, electrons and positrons, gamma-rays, and synchrotron…

Astrophysics · Physics 2009-10-31 I. V. Moskalenko , A. W. Strong

The Galactic cosmic-ray propagation code GALPROP is designed to make predictions of many kinds of data self-consistently, including direct cosmic-ray measurements, gamma rays and synchrotron radiation. In the decade since its conception it…

High Energy Astrophysical Phenomena · Physics 2009-07-06 A. W. Strong , I. V. Moskalenko , T. A. Porter , G. Jóhannesson , E. Orlando , S. W. Digel

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

An extensive program for the calculation of galactic cosmic-ray propagation has been developed. Primary and secondary nucleons, primary and secondary electrons, secondary positrons and antiprotons are included. Fragmentation and energy…

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

Local interstellar spectra (LIS) for protons, helium and antiprotons are built using the most recent experimental results combined with the state-of-the-art models for propagation in the Galaxy and heliosphere. Two propagation packages,…

Antideuterons are among the most promising galactic cosmic ray-related targets for dark matter indirect detection. Currently only upper limits exist on the flux, but the development of new experiments, such as GAPS and AMS-02, provides…

High Energy Physics - Phenomenology · Physics 2008-11-26 Fiorenza Donato , Nicolao Fornengo , David Maurin

Recently the AMS-02 collaboration has published the measurement of the cosmic antiproton to proton ratio $\bar{p}/p$ and the $\bar{p}$ flux with a high precision up to $\sim 450\,\mathrm{GeV}$. In this work, we perform a systematic analysis…

High Energy Astrophysical Phenomena · Physics 2017-12-27 Su-Jie Lin , Xiao-Jun Bi , Jie Feng , Peng-Fei Yin , Zhao-Huan Yu

The latest years have seen steady progresses in WIMP dark matter (DM) searches, with hints of possible signals suggested by both direct and indirect detection experiments. Antiprotons can play a key role validating those interpretations…

High Energy Astrophysical Phenomena · Physics 2012-06-29 Carmelo Evoli , Ilias Cholis , Dario Grasso , Luca Maccione , Piero Ullio

The past decade has brought impressive advances in the astrophysics of cosmic rays (CRs) and multiwavelength astronomy, thanks to the new instrumentation launched into space and built on the ground. Modern technologies employed by those…

High Energy Astrophysical Phenomena · Physics 2022-09-16 Troy A. Porter , Gudlaugur Johannesson , Igor V. Moskalenko

HelMod is a code evaluating the transport of Galactic cosmic rays through the inner heliosphere down to Earth. It is based on a 2-D Monte Carlo approach and includes a general description of the symmetric and antisymmetric parts of the…

High Energy Astrophysical Phenomena · Physics 2016-12-28 S. Della Torre , M. Gervasi , D. Grandi , G. Johannesson , G. La Vacca , N. Masi , I. V. Moskalenko , E. Orlando , T. A. Porter , L. Quadrani , P. G. Rancoita , D. Rozza

The Alpha Magnetic Spectrometer has released high-precision data for cosmic rays, and has verified an excess of positrons relative to expectations from cosmic ray interactions in the interstellar medium. An exciting and well-known…

High Energy Astrophysical Phenomena · Physics 2017-02-22 M. Kruskal , S. P. Ahlen , G. Tarlé

We extend previous work modeling the Galactic magnetic field in the plane using synchrotron emission in total and polarised intensity. In this work, we include a more realistic treatment of the cosmic-ray electrons using the GALPROP…

Astrophysics of Galaxies · Physics 2018-02-14 T. R. Jaffe , A. J. Banday , J. P. Leahy , S. Leach , A. W. Strong

The heliospheric modulation model HelMod solve the transport-equation for the Galactic Cosmic Rays propagation through the heliosphere down to Earth. It is based on a 2-D Monte Carlo approach, that includes a general description of the…

Information on cosmic-ray (CR) composition comes from direct CR measurements while their distribution in the Galaxy is evaluated from observations of their associated diffuse emission in the range from radio to gamma rays. Even though the…

High Energy Astrophysical Phenomena · Physics 2019-03-06 Elena Orlando , Gudlaugur Johannesson , Igor V. Moskalenko , Troy A. Porter , Andrew Strong

The GALPROP model for cosmic-ray propagation is able to make explicit predictions for the distribution of galactic diffuse gamma-rays. We compare different propagation models with gamma-ray spectra measured by EGRET for various regions of…

Astrophysics · Physics 2009-11-11 Andrew W. Strong , Igor V. Moskalenko , Olaf Reimer

The data on cosmic antiprotons have reached an outstanding precision on energies spanning from GeV to hundreds of TeV, thanks to the space-based AMS-02 experiment. The balloon-borne GAPS experiment, which just completed its first Antarctic…

High Energy Physics - Phenomenology · Physics 2026-05-12 Lorenzo Stefanuto , Mattia Di Mauro , Fiorenza Donato , Nicolao Fornengo , Jordan Koechler , David Maurin

A new numerical model of particle propagation in the Galaxy has been developed, which allows the study of cosmic-ray and gamma-ray production and propagation in 2D or 3D, including a full reaction network. This is a further development of…

Astrophysics · Physics 2009-11-06 A. W. Strong , I. V. Moskalenko

Cosmic-ray anti-nuclei provide a promising discovery channel for the indirect detection of particle dark matter. Hadron showers produced by the pair-annihilation or decay of Galactic dark matter generate anti-nucleons which can in turn form…

High Energy Physics - Phenomenology · Physics 2015-06-18 Eric Carlson , Adam Coogan , Tim Linden , Stefano Profumo , Alejandro Ibarra , Sebastian Wild

Dark matter search in space has been carried out for many years. Measurements of cosmic ray photons, charged antiparticles and neutrinos are useful tools for dark matter indirect search. The antiparticle energy spectra of cosmic rays have…

High Energy Physics - Phenomenology · Physics 2018-05-16 Jie Feng , Hong-Hao Zhang