منابع مشابه
High Energy Cosmic Neutrinos
While the general principles of high-energy neutrino detection have been understood for many years, the deep, remote geographical locations of suitable detector sites have challenged the ingenuity of experimentalists, who have confronted unusual deployment, calibration, and robustness issues. Two high energy neutrino programs are now operating (Baikal and AMANDA), with the expectation of usheri...
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In this contribution i discuss the possibility of production of high energy cosmic tau neutrinos (E ≥ 10 GeV) in cores of Active Galactic Nuclei (AGN) originating from proton acceleration. The effects of three flavour neutrino mixing on this high energy cosmic tau neutrino flux and the prospects for its observations through double shower events [1]. In addition to AGNs, high energy cosmic tau n...
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I review the essentials of ultrahigh-energy neutrino interactions, show how neutral-current detection and flavor tagging can enhance the scientific potential of neutrino telescopes, and sketch new studies on neutrino encounters with dark matter relics and on gravitational lensing of neutrinos. 1. Neutrino Observatories: Expectations An early goal of the next generation of neutrino telescopes wi...
متن کاملSignatures of hadronic cosmic rays in starbursts? High-energy photons and neutrinos from NGC253
We show that it appears possible for starburst galaxies, like the nearby NGC 253, recently identified as a TeV source by the CANGAROO collaboration, to emit a significant amount of high-energy γ-rays and neutrinos through hadronic processes in their cores. We suggest that proton illumination of the inner winds of massive stars can be a viable mechanism for producing TeV γ-rays and neutrinos wit...
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: Symposium - International Astronomical Union
سال: 1965
ISSN: 0074-1809
DOI: 10.1017/s0074180900179628