English
Related papers

Related papers: Recent extensions to GALPROP

200 papers

A Galactic cosmic-ray transport model featuring non-homogeneous transport has been developed over the latest years. This setup is aimed at reproducing gamma-ray observations in different regions of the Galaxy (with particular focus on the…

High Energy Astrophysical Phenomena · Physics 2022-10-18 Pedro De la Torre Luque , Daniele Gaggero , Dario Grasso

The observed values of the rate of change of the orbital and the spin periods of pulsars are affected by different dynamical effects, for example, the line-of-sight acceleration and the proper motion of the pulsar relative to the sun. We…

Instrumentation and Methods for Astrophysics · Physics 2018-12-04 Dhruv Pathak , Manjari Bagchi

We present the new release v2.0 of T-PHOT, a publicly available software package developed to perform PSF-matched, prior-based, multiwavelength deconfusion photometry of extragalactic fields. New features included in the code are presented…

Instrumentation and Methods for Astrophysics · Physics 2016-11-09 E. Merlin , N. Bourne , M. Castellano , H. C. Ferguson , T. Wang , S. Derriere , J. S. Dunlop , D. Elbaz , A. Fontana

This article reviews some recent developments in Astroparticle Physics. Due to the extension of the field only part of the results and developments can be covered. The status of the search for Dark Matter, some recent results on Cosmic Rays…

High Energy Physics - Phenomenology · Physics 2007-05-23 Norbert Magnussen

Accurate radiative transfer coefficients (emissivities, absorptivities, and rotativities) are needed for modeling radiation from relativistically hot, magnetized plasmas such as those found in Event Horizon Telescope sources. Here we…

High Energy Astrophysical Phenomena · Physics 2021-11-03 Andrew Marszewski , Ben S. Prather , Abhishek V. Joshi , Alex Pandya , Charles F. Gammie

Ultra-High-Energy Cosmic Ray (UHECR) nuclei propagating in cosmological radiation backgrounds produce secondary particles detectable at Earth. SimProp is a one dimensional code for extragalactic propagation of UHECR nuclei, inspired by the…

High Energy Astrophysical Phenomena · Physics 2013-07-16 R. Aloisio , D. Boncioli , A. Di Matteo , A. F. Grillo , S. Petrera , F. Salamida

The potential of the new generation Cherenkov Telescopes to measure the energy spectrum of both, the already established extragalactic very high energy gamma-ray emitters and the best very high energy candidates from the EGRET catalogue is…

Astrophysics · Physics 2009-11-10 O. Blanch , M. Martinez

Direct measurements of cosmic ray (CR) species combined with observations of their associated gamma-ray emissions can be used to constrain models of CR propagation, trace the structure of the Galaxy, and search for signatures of new…

High Energy Astrophysical Phenomena · Physics 2018-04-11 Gudlaugur Johannesson , Troy A. Porter , Igor V. Moskalenko

A recent analysis of cosmic-ray data from a space borne experiment by the AMS collaboration supports the observation of an excess in the cosmic-ray positron spectrum by previous balloon experiments. The combination of the various…

Astrophysics · Physics 2007-10-15 C. H. Chung , H. Gast , J. Olzem , S. Schael

High-energy gamma rays of interstellar origin are produced by the interaction of cosmic-ray (CR) particles with the diffuse gas and radiation fields in the Galaxy. The main features of this emission are well understood and are reproduced by…

High Energy Astrophysical Phenomena · Physics 2017-09-06 Troy A. Porter , Gudlaugur Johannesson , Igor V. Moskalenko

By detecting the beginning of electron pairs with nuclear emulsion, precise gamma-ray direction and gamma-ray polarization can be detected. With recent advancement in emulsion scanning system, emulsion analyzing capability is becoming…

Instrumentation and Methods for Astrophysics · Physics 2019-08-14 Satoru Takahashi

The Fermi-LAT collaboration recently confirmed EGRET finding of a discrepancy between the observed longitudinal profile of gamma-ray diffuse emission from the Galaxy and that computed with GALPROP assuming that cosmic rays are produced by…

High Energy Astrophysical Phenomena · Physics 2011-11-09 Daniele Gaggero , Carmelo Evoli , Dario Grasso , Luca Maccione

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

Among the top priorities for high-energy astronomy in the coming decade are sensitive surveys in the hard X-ray/soft \gamma-ray (10-600 keV) and medium-energy \gamma-ray (0.2-80 MeV) bands. Historically, observations in the soft and medium…

Instrumentation and Methods for Astrophysics · Physics 2013-02-26 Alexei Ulyanov , Lorraine Hanlon , Sheila McBreen , Suzanne Foley , David Byrne

Fermi-LAT observations of the Galactic Center (GC) have revealed a spherically- symmetric excess of GeV gamma rays extending to at least 10 deg from the dynamical center of the Galaxy. A critical uncertainty in extracting the intensity,…

High Energy Astrophysical Phenomena · Physics 2016-09-14 Eric Carlson , Tim Linden , Stefano Profumo

A new calculation of nuclear enhancement factor, used in estimation of Galactic diffuse gamma-ray flux from proton-proton interaction in order to take account of heavy nuclei included in cosmic-rays and interstellar matter, is presented by…

High Energy Astrophysical Phenomena · Physics 2013-07-04 Masaki Mori

This report covers the studies of energetic particle propagation and acceleration presented during the 27th ICRC in sessions OG 1.3 and 1.4, plus a few selected papers from neighbouring OG sections. We list problems discussed within these…

Astrophysics · Physics 2007-05-23 M. Ostrowski

We present the results of the most complete ever scan of the parameter space for cosmic ray (CR) injection and propagation. We perform a Bayesian search of the main GALPROP parameters, using the MultiNest nested sampling algorithm,…

High Energy Astrophysical Phenomena · Physics 2016-06-14 G. Jóhannesson , R. Ruiz de Austri , A. C. Vincent , I. V. Moskalenko , E. Orlando , T. A. Porter , A. W. Strong , R. Trotta , F. Feroz , P. Graff , M. P. Hobson

A recent re-determination of the non-thermal component of the hard X-ray to soft gamma-ray emission from the Galactic ridge, using the SPI instrument on the INTErnational Gamma-Ray Astrophysics Laboratory (INTEGRAL) Observatory, is shown to…

The number of diffuse radio halos in clusters of galaxies has grown in recent years, making it possible to derive statistical properties of these sources and of the hosting clusters. We show that diffuse sources are associated with X-ray…

Astrophysics · Physics 2007-05-23 L. Feretti , G. Brunetti , G. Giovannini , F. Govoni , G. Setti