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Research Interests: Mathematical Physics, Computer Science, Physics, Theoretical Physics, Dust (Astronomy & Astrophysics), and 13 moreAstrophysics, Near Infrared, Astronomy, BL Lacertae objects, Spectrum, Active Galaxies, Gamma Ray, Uncategorized, Cherenkov Radiation, Power Output, Spectral Energy Distribution, Redshift, and Extragalactic Background Light
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The detection of fast variations of the tera–electron volt (TeV) (10 12 eV) γ-ray flux, on time scales of days, from the nearby radio galaxy M87 is reported. These variations are about 10 times as fast as those observed in any other wave... more
The detection of fast variations of the tera–electron volt (TeV) (10 12 eV) γ-ray flux, on time scales of days, from the nearby radio galaxy M87 is reported. These variations are about 10 times as fast as those observed in any other wave band and imply a very compact emission region with a dimension similar to the Schwarzschild radius of the central black hole. We thus can exclude several other sites and processes of the γ-ray production. The observations confirm that TeV γ rays are emitted by extragalactic sources other than blazars, where jets are not relativistically beamed toward the observer.
Research Interests: Physics, Science, Astrophysics, Medicine, Multidisciplinary, and 4 moreRadio Galaxies, Galaxy, Radius, and Gamma Ray
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ABSTRACT
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The subject of this workshop focused on the tests of fundamental laws in physics and on the search for new and exotic phenomena. Special emphasis was given to the 17 keV neutrino experiments, to general relativity and gravitational waves... more
The subject of this workshop focused on the tests of fundamental laws in physics and on the search for new and exotic phenomena. Special emphasis was given to the 17 keV neutrino experiments, to general relativity and gravitational waves and to nonaccelerator physics: solar neutrinos, dark matter and tests of fundamental symmetries. The participation of physicists from various domains: astrophysics, atomic physics, particle physics and solid state physics allowed exchange of knowledge and technology between different fields and confered to this workshop a frontier physics character.