Results 261 to 270 of about 21,787 (300)

Low-dose, high-resolution CT of infant-sized lungs via propagation-based phase contrast. [PDF]

open access: yesSci Rep
Pollock JA   +9 more
europepmc   +1 more source

High energy neutrino astronomy

Nature, 1978
The possibility of doing point source neutrino astronomy is discussed. Probable sources include galactic nuclei, Seyferts, quasars, radio galaxies, pulsars and supernovae.
David N. Schramm, David Eichler
openaire   +3 more sources

The high energy astronomy observatories

13th Annual Meeting and Technical Display Incorporating the Forum on the Future of Air Transportation, 1977
The forthcoming NASA project of orbiting High Energy Astronomy Observatories (HEAO's) designed to probe the universe by tracing celestial radiations and particles is outlined. Solutions to engineering problems concerning HEAO's which are integrated, yet built to function independently are discussed, including the onboard digital processor, mirror ...
R. F. Doolittle   +2 more
openaire   +2 more sources

Very high energy gamma ray astronomy [PDF]

open access: possibleAIP Conference Proceedings, 1988
Abstract Current interest in gamma-astronomy at energies above 100 GeV comes from the identification of Cygnus X-3 and other X-ray binaries as sources. In addition there are reports of emission from radio pulsars and a variety of other objects. The statistical significance of many of the observations is not high and many reported effects await ...
openaire   +3 more sources

Gamma-ray astronomy at high energies

Reviews of Modern Physics, 1999
Progress in high-energy gamma-ray astronomy has depended upon the development of sophisticated detectors and analysis techniques. Observations in this decade using space-based and ground-based detectors have observed gamma-ray emission from a variety of sources. For the first time a consistent picture of the {gamma}-ray sky has emerged.
Hoffman, C-M.   +3 more
openaire   +3 more sources

High energy neutrino astronomy

Nuclear Physics B - Proceedings Supplements, 2000
Abstract The sky survey with high energy neutrinos is complementary to the survey with photons. The method of the detection of ν μ is described and the expected sensitivity to high energy neutrino sources with a kilometer-scale detector is estimated. The status of the current under-water(ice) detector projects is reported.
openaire   +2 more sources

High-energy Gamma-ray Astronomy

Nature, 1970
Gamma-ray astronomy above 10 MeV is difficult from the experimental point of view, but promising data are beginning to appear, as this survey progress report shows.
openaire   +3 more sources

Ultra High Energy Astronomy

1989
Techniques of Ultra High Energy astronomy are reviewed in this lecture. Sensitivity of experiments currently underway or planned for the near future is discussed. Recent results from the CYGNUS experiment with regard to steady emission from sources such as Cygnus X-3 and Herculus X-l are compared with those from other experiments.
openaire   +2 more sources

High Energy Astronomy Observatory Program

IFAC Proceedings Volumes, 1978
Abstract This paper describes the series of three orbiting high energy astronomy observatories that comprise the High Energy Astronomy Observatory (HEAO) program of the National Aeronautics and Space Administration (NASA). The basis and enthusiasm of the scientific community for this program is presented.
openaire   +2 more sources

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