Neutrinos and cosmic rays
نویسندگان
چکیده
منابع مشابه
Ultrahigh Energy Cosmic Rays and Neutrinos
We discuss the relation between the highest energy cosmic rays (UHECR) and UHE neutrinos. The neutrinos produced in the sources of optically thin astrophysical sources have been linked to the UHECR emissivity of the Universe. The fluxes of cosmogenic neutrinos, generated in propagation by UHECR, also reflect the acceleration of these particles, the maximum acceleration energy, and the cosmologi...
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The γ-ray burst (GRB) model for production of ultra-high-energy, > 10 eV, cosmic-rays is based on the hypothesis that GRBs arise from the dissipation of the kinetic energy of relativistic fireballs at cosmological distances. Recent observations of delayed low energy emission, “afterglow,” from GRB sources strongly support the validity of this hypothesis. Observations also provide quantitative s...
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Although cosmic rays were discovered a century ago, we do not know where or how they are accelerated. There is a realistic hope that the oldest problem in astronomy will be solved soon by ambitious experimentation: air shower arrays of 10,000 kilometer-square area, arrays of air Cerenkov telescopes and kilometer-scale neutrino observatories. Their predecessors are producing science. We will rev...
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After a brief review of the status of the kilometer-scale neutrino observatory IceCube, we discuss the prospect that such detectors discover the still-enigmatic sources of cosmic rays. After all, this aspiration set the scale of the instrument. While only a “smoking gun” is missing for the case that the Galactic component of the cosmic-ray spectrum originates in supernova remnants, the origin o...
متن کاملHigh-energy Neutrinos from Cosmic Rays
We introduce neutrino astronomy from the observational fact that Nature accelerates protons and photons to energies in excess of 10 and 10 eV, respectively. Although the discovery of cosmic rays dates back close to a century, we do not know how and where they are accelerated. We review the facts as well as the speculations about the sources. Among these gamma ray bursts and active galaxies repr...
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ژورنال
عنوان ژورنال: Astroparticle Physics
سال: 2012
ISSN: 0927-6505
DOI: 10.1016/j.astropartphys.2012.08.004