Results 121 to 130 of about 22,727 (221)

High-energy cosmic-ray acceleration

open access: yes, 2010
We briefly review the basics of ultrahigh-energy cosmic-ray acceleration. The Hillas criterion is introduced as a geometrical criterion that must be fulfilled by potential acceleration sites, and energy losses are taken into account in order to obtain a ...
von Steinkirch, M   +15 more
core   +1 more source

Neutrino Anisotropy as a Probe of Extreme Astrophysical Accelerators

open access: yesThe Astrophysical Journal
We predict that neutrino sources following the matter distribution of the Universe result in an anisotropy in the neutrino sky imprinted by the local large-scale structure (LSS). We calculate the level of this anisotropy and explore how it depends on the
Marco Stein Muzio, Noémie Globus
doaj   +1 more source

Ultra-High Energy Cosmic Rays

open access: yes, 2016
22 pages, contribution to the 2013 CERN - Latin-American School of High-Energy Physics, Arequipa, Peru, 6-19 Mar ...
openaire   +2 more sources

Publication Only

open access: yes
HemaSphere, Volume 10, Issue S1, June 2026.
wiley   +1 more source

The Fluorescence Telescope on board EUSO-SPB2 for the detection of Ultra High Energy Cosmic Rays

open access: yes, 2022
The Fluorescence Telescope is one of the two telescopes on board the Extreme Universe Space Observatory on a Super Pressure Balloon II (EUSO-SPB2). EUSO-SPB2 is an ultra-long-duration balloon mission that aims at the detection of Ultra High Energy Cosmic
Fuglesang, Christer,   +5 more
core  

High Energy Cosmic Ray Observations with CREAM

open access: yes, 2009
A cumulative flight duration of more than 100 days has been achieved by the balloon-borne Cosmic Ray Energetics And Mass (CREAM) experiment, which has flown four times in Antarctica.
J. LINK   +49 more
core  

Very high energy gamma ray astronomy and non pulsating low mass x-ray binaries [PDF]

open access: yes, 1991
This thesis is concerned with non pulsating Low Mass X-Ray Binaries as Very High Energy γ-ray sources, in particular Scorpius X-1; the brightest of these objects in X-rays, and the most likely to be detectable at energies above 250 GeV.
Carraminana, Alberto, Carraminana, A
core  

Jupiter as a giant cosmic ray detector

open access: yes, 2014
All authors highlight financial support of the European Community under the FP7 by an ERC starting grant.We explore the feasibility of using the atmosphere of Jupiter to detect ultra-high-energy cosmic rays (UHECRs).
Rimmer, P.B., Stark, C.R., Helling, C.
core   +1 more source

Implications of a Cosmogenic Origin of KM3-230213A for Ultra-high-energy Protons

open access: yesThe Astrophysical Journal
A significant neutrino event with an estimated energy between 72 PeV and 2.6 EeV was recently observed by the KM3NeT experiment (KM3-230213A). When interpreted as cosmogenic in origin, this event can provide constraints on several phenomenological ...
Abdulrahman Alhebsi   +3 more
doaj   +1 more source

Studies of the mass composition of cosmic rays and proton-proton interaction cross-sections at ultra-high energies with the Pierre Auger Observatory

open access: yes
In this work, we present an estimate of the cosmic-ray mass composition from the distributions of the depth of the shower maximum (Xmax) measured by the fluorescence detector of the Pierre Auger Observatory.
Saftoiu A.   +379 more
core   +2 more sources

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