high-energy X-rays

См. также в других словарях:

• High energy X-rays — or HEX rays are very hard X rays, with 80 keV 1000 keV typically one order of magnitude higher in energy than conventional X rays (and well into the gamma ray energies of over 120 keV). They are produced at modern synchrotron radiation sources… …   Wikipedia

• High Energy Stereoscopic System — or H.E.S.S. is a next generation system of Imaging Atmospheric Cherenkov Telescopes (IACT) for the investigation of cosmic gamma rays in the 100 GeV and TeV energy range. The acronym was chosen in honour of Victor Hess, who was the first to… …   Wikipedia

• High Energy Astronomy Observatory 3 — The last of NASA s three High Energy Astronomy Observatories, HEAO 3 was launched 20 September 1979 on an Atlas Centaur launch vehicle, into a nearly circular, 43.6 degree inclination low Earth orbit with an initial perigee of 486.4 km.The normal …   Wikipedia

• High Energy Astrophysical Observatory — one of a series of three U.S. satellites launched (1977 79) into orbit around the earth and equipped with instruments for studying high energy phenomena, as x rays, gamma rays, and cosmic rays. Abbr.: HEAO * * * …   Universalium

• High Energy Astrophysical Observatory — one of a series of three U.S. satellites launched (1977 79) into orbit around the earth and equipped with instruments for studying high energy phenomena, as x rays, gamma rays, and cosmic rays. Abbr.: HEAO …   Useful english dictionary

• Ultra-high-energy cosmic ray — Unsolved problems in physics Why is it that some cosmic rays appear to possess energies that are theoretically too high? In high energy physics, an ultra high energy cosmic ray (UHECR) or extreme energy cosmic ray (EECR) is a cosmic ray with an… …   Wikipedia

• Reuven Ramaty High Energy Solar Spectroscopic Imager — (RHESSI, or more rarely Explorer 81) is the sixth mission in the line of NASA Small Explorer missions (also known as SMEX). Launched on 5 February 2002, its primary mission is to explore the basic physics of particle acceleration and explosive… …   Wikipedia

• Reflection high energy electron diffraction — (RHEED) is a technique used to characterize the surface of crystalline materials. RHEED systems gather information only from the surface layer of the sample, which distinguishes RHEED from other materials characterization methods that rely also… …   Wikipedia

• High Resolution Fly's Eye Cosmic Ray Detector — The High Resolution Fly s Eye or HiRes detector was an ultra high energy cosmic ray observatory that operated in the western Utah desert from May 1997 until April 2006. HiRes utilized the atmospheric fluorescence technique that was pioneered by… …   Wikipedia

• Energy-dispersive X-ray spectroscopy — (EDS, EDX or EDXRF) is an analytical technique used for the elemental analysis or chemical characterization of a sample. As a type of spectroscopy, it relies on the investigation of a sample through interactions between electromagnetic radiation… …   Wikipedia

• High voltage — The term high voltage characterizes electrical circuits, in which the voltage used is the cause of particular safety concerns and insulation requirements. High voltage is used in electrical power distribution, in cathode ray tubes, to generate X… …   Wikipedia