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This paper summarizes highlights of the OG3.1, 3.2 and 3.3 sessions of the XXVIth International Cosmic Ray Conference in Salt Lake City, which were devoted to issues of origin/composition, acceleration and propagation.

Astrophysics · Physics 2009-10-31 Matthew G. Baring

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

Theoretical views on particle acceleration in astrophysical sources and propagation of cosmic rays (CR) depend very much on the quality of the data, which become increasingly accurate each year and therefore more constraining. On the other…

Astrophysics · Physics 2007-05-23 I. V. Moskalenko

This report is based on a rapporteur talk presented at the 30th International Cosmic Ray Conference held in Merida, Mexico (July 2007), and covers three of the OG sessions devoted to neutrino, gravitational wave, and gamma-ray detection.

Astrophysics · Physics 2009-09-29 G. Rowell

This paper is based on the rapporteur talk given at the 34$^{th}$ International Cosmic Ray Conference (ICRC), on August 6$^{th}$, 2015. The purpose of the talk and paper is to provide a summary of the most recent results from balloon-borne…

High Energy Astrophysical Phenomena · Physics 2015-10-28 Paolo Maestro

This is the report on the cosmic ray direct track of the 37th International Cosmic Ray Conference (ICRC 2021), broadly covering the contributions relating to charged cosmic rays (CRs) of Galactic origin. The contributions highlighted here…

High Energy Astrophysical Phenomena · Physics 2022-09-21 Philipp Mertsch

This paper reviews recent progress in the field of direct measurements of Galactic cosmic rays. High-statistic measurements of cosmic ray energy spectra, chemical and isotopic composition, and the rare antimatter components have been made…

High Energy Astrophysical Phenomena · Physics 2023-02-02 Nicola Tomassetti

This conference proceedings is a write-up of the Gamma-ray Indirect rapporteur talk given at the 37th International Cosmic Ray Conference (ICRC 2021). In contrast to previous ICRCs, this years edition was held in a fully virtual format,…

High Energy Astrophysical Phenomena · Physics 2021-09-29 A. M. W. Mitchell

The status of measurements of the arrival directions, mass composition and energy spectrum of cosmic rays above 3 x 10^18 eV (3 EeV) is reviewed using reports presented at the 29th International Cosmic Ray Conference held in Pune, India, in…

Astrophysics · Physics 2009-11-13 A A Watson

An overview is given on results from direct and indirect measurements of galactic cosmic rays. Their implications on the contemporary understanding of the origin of cosmic rays and the knee in their energy spectrum are discussed.

Astrophysics · Physics 2009-11-10 Joerg R. Hoerandel

This article is the rapporteur's summary of the cosmic ray indirect sessions of the 38th International Cosmic Ray Conference in Nagoya, Japan. The rapporteur highlights cosmic ray indirect observatories around the world, and reviews a…

High Energy Astrophysical Phenomena · Physics 2024-05-01 Toshihiro Fujii

In the last years the direct measurement of cosmic rays received a push forward by the possibility of conducting experiments on board long duration balloon flights, satellites and on the International Space Station. The increase in the…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Emiliano Mocchiutti

This paper is the write-up of a rapporteur talk given by the author at the 33rd International Cosmic Ray Conference in Rio de Janeiro, Brazil, in 2013. It attempts to summarize results and developments in ground-based gamma-ray observations…

High Energy Astrophysical Phenomena · Physics 2015-06-22 Jamie Holder

Gamma-ray measurements from GeV to PeV energies have provided us with a wealth of information on diffuse emission and sources in the Universe lately. With improved spatial and temporal resolutions together with real-time multimessenger…

High Energy Astrophysical Phenomena · Physics 2025-04-02 Julia Becker Tjus , Julien Dörner , Leander Schlegel , Wolfgang Rhode

Measurements of Ultra-High Energy Cosmic Rays achieved remarkable progress in the last 10 years. Physicists, gathered from around the world in the symposium UHECR-2012 held at CERN on February 13-16 2012, reported their most up-to-date…

High Energy Astrophysical Phenomena · Physics 2015-06-15 M. Fukushima

We survey the theory and experimental tests for the propagation of cosmic rays in the Galaxy up to energies of 10^15 eV. A guide to the previous reviews and essential literature is given, followed by an exposition of basic principles. The…

Astrophysics · Physics 2010-04-06 Andrew W. Strong , Igor V. Moskalenko , Vladimir S. Ptuskin

In this report I summarize contributions on the highest energy cosmic rays to the 28th International Cosmic Ray Conference in Tsukuba, Japan, Sections HE 1.3, 1.4 and 1.5 involved over 80 oral presentations and about 120 posters. This large…

Astrophysics · Physics 2007-05-23 Angela V. Olinto

Cosmic rays are the most outstanding example of accelerated particles. They are about 1\% of the total mass of the Universe, so that cosmic rays would represent by far the most important energy transformation process of the Universe.…

High Energy Astrophysical Phenomena · Physics 2019-07-24 Giuseppe Di Sciascio

Precise measurements of the spectra of secondary and primary cosmic rays are crucial for understanding the origin and propagation of those energetic particles. The High Energy cosmic-Radiation Detection (HERD) facility onboard China`s Space…

High Energy Astrophysical Phenomena · Physics 2023-07-19 Zhi-Hui Xu , Qiang Yuan , Zhi-Cheng Tang , Xiao-Jun Bi
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