soft X-ray

soft X-ray
the lowest energy, lowest frequency, longest wavelength end of the X-ray EM band, overlapping with EUV (extreme ultraviolet).
See Also: hard X-ray, soft gamma ray

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  • soft X ray — soft X ray, a weakly penetrating X ray, produced by low voltage …   Useful english dictionary

  • Soft X-ray transient — Soft X ray transients (often abbreviated to SXT) are also known as X ray novae . Typical SXTs are usually very faint, or even unobservable, in X rays and their apparent magnitude in the optical wavelengths is about 20. This is called the… …   Wikipedia

  • Soft X-ray emission spectroscopy — is an experimental technique for determining the electronic structure of materials. It is a form of X ray spectroscopy.UsesX ray emission spectroscopy (XES) provides a means of probing the partial occupied density of electronic states of a… …   Wikipedia

  • soft X-ray tube — minkštosios rentgeno spinduliuotės vamzdis statusas T sritis fizika atitikmenys: angl. soft X ray tube vok. Weichstrahlröhre, f rus. рентгеновская трубка с мягким излучением, f pranc. tube à rayons X mous, m …   Fizikos terminų žodynas

  • Super Soft X-ray Source — (auf deutsch etwa superweiche Röntgenquelle) bezeichnet ein astronomisches Objekt, dessen elektromagnetische Strahlung überwiegend im Bereich der weichen Röntgenstrahlung (von 0,1 bis 2,5 keV) emittiert wird. Die meisten SSS sind in… …   Deutsch Wikipedia

  • Super-soft x-ray source — A super soft X ray source is an astronomical source of very low energy X rays. Soft X rays have energies in the 0.09 to 2.5 keV range, whereas hard X rays are in the 1 20 keV range [ [http://library.thinkquest.org/27930/supersoft.htm Supersoft X… …   Wikipedia

  • Soft gamma repeater — A soft gamma repeater (SGR) is an astronomical object which emits large bursts of gamma rays and X rays at irregular intervals. It is conjectured that they are a type of magnetar or, alternatively, neutron stars with fossil disks around them.On… …   Wikipedia

  • Soft ray — Soft Soft (s[o^]ft; 115), a. [Compar. {Softer} (s[o^]ft [ e]r); superl. {Softest}.] [OE. softe, AS. s[=o]fte, properly adv. of s[=e]fte, adj.; akin to OS. s[=a]fto, adv., D. zacht, OHG. samfto, adv., semfti, adj., G. sanft, LG. sacht; of… …   The Collaborative International Dictionary of English

  • Soft — (s[o^]ft; 115), a. [Compar. {Softer} (s[o^]ft [ e]r); superl. {Softest}.] [OE. softe, AS. s[=o]fte, properly adv. of s[=e]fte, adj.; akin to OS. s[=a]fto, adv., D. zacht, OHG. samfto, adv., semfti, adj., G. sanft, LG. sacht; of uncertain origin.] …   The Collaborative International Dictionary of English

  • Soft clam — Soft Soft (s[o^]ft; 115), a. [Compar. {Softer} (s[o^]ft [ e]r); superl. {Softest}.] [OE. softe, AS. s[=o]fte, properly adv. of s[=e]fte, adj.; akin to OS. s[=a]fto, adv., D. zacht, OHG. samfto, adv., semfti, adj., G. sanft, LG. sacht; of… …   The Collaborative International Dictionary of English

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