Measuring flavor ratios of high-energy astrophysical neutrinos
نویسندگان
چکیده
منابع مشابه
High energy astrophysical neutrinos
High energy neutrinos with energy typically greater than tens of thousands of GeV may originate from several astrophysical sources. The sources may include, for instance, our galaxy, the active centers of nearby galaxies, as well as possibly the distant sites of gamma ray bursts. I briefly review some aspects of production and propagation as well as prospects for observations of these high ener...
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I give a brief critical review of the predicted intensity of diffuse high energy neutrinos of astrophysical origin over the energy range from ∼ 10 eV to ∼ 10 eV. Neutrinos from interactions of galactic cosmic rays with interstellar matter are guaranteed, and the intensity can be reliably predicted to within a factor of 2 up to 10 eV. Somewhat less certain are intensities in the same energy rang...
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We make two basic assumptions which are reasonable. The first one is that distant neutrino sources (e.g. AGN’s and GRB’s) exist; and furthermore with detectable fluxes at high energies (upto and beyond PeV). The second one is that in the not too far future, very large volume, well instrumented detectors of sizes of order of KM3 and beyond will exist and be operating; and furthermore will have (...
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A search for high energy astrophysical tau neutrinos will not only yield quite useful information about some of the highest energy phenomenons occurring in the present universe related to the origin of observed high energy gamma rays and ultra high energy cosmic rays but also can possibly probe physics beyond standard model of particle physics. The representative extra terrestrial sources of hi...
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The flavor composition of high-energy astrophysical neutrinos can reveal the physics governing their production, propagation, and interaction. The IceCube Collaboration has published the first experimental determination of the ratio of the flux in each flavor to the total. We present, as a theoretical counterpart, new results for the allowed ranges of flavor ratios at Earth for arbitrary flavor...
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ژورنال
عنوان ژورنال: Physical Review D
سال: 2003
ISSN: 0556-2821,1089-4918
DOI: 10.1103/physrevd.68.093005