Results 71 to 80 of about 2,258,607 (385)

The ARGO-YBJ legacy to next generation wide field-of-view experiments

open access: yesEPJ Web of Conferences, 2017
The ARGO-YBJ experiment has been in stable data taking for more than 5 years at the YangBaJing Cosmic Ray Observatory (Tibet, P.R. China, 4300 m a.s.l., 606 g/cm2).
Di Sciascio Giuseppe
doaj   +2 more sources

Measuring the ionisation fraction in a jet from a massive protostar

open access: yesNature Communications, 2019
The ionisation fraction of protostellar jets is key to establish their true energetics. Here, the authors determine it in a jet from a high-mass young stellar object, using multi-wavelengths observations, confirming that the ionising mechanism giving ...
R. Fedriani   +9 more
doaj   +1 more source

Status and recent high light results from the LHAASO experiment [PDF]

open access: yesEPJ Web of Conferences
The Large High Altitude Air Shower Observatory (LHAASO) experiment, fully operational since July 2021, is a cutting-edge facility for detecting cosmic rays and gamma rays across a wide energy range. This paper offers an overview of the current status and
Chen Songzhan
doaj   +1 more source

Turning AGN Bubbles into Radio Relics with Sloshing: Modeling CR Transport with Realistic Physics

open access: yesGalaxies, 2021
Radio relics are arc-like synchrotron sources at the periphery of galaxy clusters, produced by cosmic-ray electrons in a μG magnetic field, which are believed to have been (re-)accelerated by merger shock fronts.
John ZuHone   +3 more
doaj   +1 more source

Cosmic Rays and Particle Physics [PDF]

open access: yesActa Physica Hungarica A) Heavy Ion Physics, 2001
13 pages, 7 figures; invited talk presented at the "Symposium on Fundamental Issues in Elementary Matter", Bad Honnef, Germany, 25-29 September 2000 (to appear in Acta Physica Hungarica)
openaire   +3 more sources

Publisher Correction: Measuring the ionisation fraction in a jet from a massive protostar

open access: yesNature Communications, 2019
An amendment to this paper has been published and can be accessed via a link at the top of the paper.
R. Fedriani   +9 more
doaj   +1 more source

Propagation of Cosmic Rays: Nuclear Physics in Cosmic-Ray Studies [PDF]

open access: yesAIP Conference Proceedings, 2005
The nuclei fraction in cosmic rays (CR) far exceeds the fraction of other CR species, such as antiprotons, electrons, and positrons. Thus the majority of information obtained from CR studies is based on interpretation of isotopic abundances using CR propagation models where the nuclear data and isotopic production cross sections in p- and alpha-induced
Stepan G. Mashnik   +2 more
openaire   +3 more sources

Solar and nuclear physics uncertainties in cosmic-ray propagation [PDF]

open access: yes, 2017
Recent data released by the AMS experiment on the primary spectra and secondary-to-primary ratios in cosmic rays (CRs) can pose tight constraints to astrophysical models of CR acceleration and transport in the Galaxy, thereby providing a robust baseline ...
N. Tomassetti
semanticscholar   +1 more source

Physics of Cosmic Masers [PDF]

open access: yesSymposium - International Astronomical Union, 1988
Natural masers, which emit powerful narrow-band radiation in molecular microwave lines, were discovered about 20 years ago. They draw the astrophysicist's attention in two ways: 1) as a unique physical phenomenon and 2) as very informative probes of physical conditions in those astrophysical objects (very young and very old stars) with which they are ...
openaire   +1 more source

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