Results 131 to 140 of about 186,144 (251)

Acceleration of cosmic rays and gamma-ray emission from supernova remnants in the Galaxy

open access: yes, 2013
Galactic cosmic rays are believed to be accelerated at supernova remnant shocks. Though very popular and robust, this conjecture still needs a conclusive proof.
Casanova, S.   +4 more
core   +3 more sources

Processing of methane and acetylene ices by galactic cosmic rays and implications to the color diversity of Kuiper Belt objects. [PDF]

open access: yesSci Adv, 2023
Zhang C   +8 more
europepmc   +1 more source

Sources of sub-GZK cosmic rays [PDF]

open access: yes, 2002
We analyze the existing evidence that BL Lacertae objects (BL Lacs) are sources of the highest-energy cosmic rays. We argue that three independent signatures observed in the real data -- (1) improvement of correlations with corrections of trajectories ...
Tinyakov, P., Tkachev, I.
core   +1 more source

Spectra of He Isotopes and the 3He/4He Ratio

open access: yesThe Astrophysical Journal
Since its launch, the Alpha Magnetic Spectrometer-02 (AMS-02) has delivered outstanding quality measurements of the spectra of cosmic-ray (CR) species, e ^± , $\bar{p}$ , and nuclei (H–Si, S, Fe), which have resulted in a number of breakthroughs. Besides
M. J. Boschini   +13 more
doaj   +1 more source

Search for Galactic cosmic ray sources: The multimessenger approach

open access: yesEPJ Web of Conferences, 2015
The search for the sources of high-energy cosmic rays (CRs) has made significant progress the past decade. By including multimessenger methods, the general picture of the presence of a Galactic component at low energies and an extragalactic one at the ...
Becker Tjus Julia
doaj   +1 more source

ABSTRACTS

open access: yes
Precision Radiation Oncology, EarlyView.
wiley   +1 more source

Isotopes in Galactic Cosmic Rays [PDF]

open access: yesSymposium - International Astronomical Union, 1981
The data on isotopic ratios of elements in Galactic Cosmic Rays (GCR) is steadily improving and has recently reached the point where some information can be extracted, which has bearing on the problem of the origin of the cosmic rays. By and large, these data have generally confirmed the similarity between solar-type matter and GCR source, when ...
openaire   +1 more source

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