- gamma-ray interactions
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English-Bulgarian polytechnical dictionary . 2013.
gamma-ray interactions
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Gamma-ray astronomy — is the astronomical study of the cosmos with gamma rays. Early history Long before experiments could detect gamma rays emitted by cosmic sources, scientists had known that the universe should be producing these photons. Work by Eugene Feenberg… … Wikipedia
Gamma ray — Gamma rays (denoted as gamma;) are a form of electromagnetic radiation or light emission of frequencies produced by sub atomic particle interactions, such as electron positron annihilation or radioactive decay. Gamma rays are generally… … Wikipedia
Compton Gamma Ray Observatory — General information NSSDC ID 1991 027B Organization NASA … Wikipedia
Astronomie gamma — L astronomie gamma est l observation du ciel dans le domaine de longueur d onde des rayons gamma (photons d énergie supérieure aux rayons X). Les photons gamma sont presque complètement arrêtés par l atmosphère terrestre et les premières… … Wikipédia en Français
RAYONS GAMMA COSMIQUES — Les rayons gamma cosmiques, photons les plus énergétiques du rayonnement électromagnétique, signent les événements les plus violents de l’Univers. Bloqués par les hautes couches de l’atmosphère terrestre, ils sont détectés presque exclusivement à … Encyclopédie Universelle
X-ray astronomy — X rays start at 0.008 nm and extend across the electromagnetic spectrum to 8 nm, over which the Earth s atmosphere is opaque. X ray astronomy is an observational branch of astronomy which deals with the study of X ray observation and detection… … Wikipedia
Cosmic ray — For the film, see Cosmic Ray (film). Cosmic radiation redirects here. For some background types of cosmic radiation, see cosmic background radiation and cosmic background. The energy spectrum for cosmic rays Cosmic rays are energetic charged… … Wikipedia
x-ray — /eks ray /, n. Also, x ray, X ray. 1. Physics. a. Often, x rays. a form of electromagnetic radiation, similar to light but of shorter wavelength and capable of penetrating solids and of ionizing gases. b. such radiation having wavelengths in the… … Universalium
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
X-ray computed tomography — For non medical computed tomography, see Industrial CT Scanning. catSCAN redirects here. For the Transformers character, see Transformers: Universe. X ray computed tomography Intervention A patient is receiving a CT scan for cancer. Outsid … Wikipedia
Particle-Induced X-ray Emission — or Proton Induced X ray Emission (PIXE) is a technique used in the determining of the elemental make up of a material or sample. When a material is exposed to an ion beam, atomic interactions occur that give off EM radiation of wavelengths in the … Wikipedia
