gamma energy

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• 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

• 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 burst emission mechanisms — are theories that explain how the energy from a gamma ray burst progenitor (regardless of the actual nature of the progenitor) is turned into radiation. These mechanisms are a major topic of research as of 2007. Neither the light curves nor the… …   Wikipedia

• Gamma ray burst progenitors — are the types of celestial objects that can emit gamma ray bursts (GRBs). GRBs show an extraordinary degree of diversity. They can last anywhere from a fraction of a second to many minutes. Bursts could have a single profile or oscillate wildly… …   Wikipedia

• Gamma ray logging — is a method of measuring naturally occuring gamma radiation to characterize the rock or sediment in a borehole. It is sometimes used in mineral exploration and water well drilling, but most commonly for formation evaluation in oil and gas well… …   Wikipedia

• Energy minimization — (energy optimization) methods are common techniques to compute the equilibrium configuration of molecules. The basic idea is that a stable state of a molecular system should correspond to a local minimum of their potential energy. This kind of… …   Wikipedia

• Gamma Phi Circus — Gamma Phi Circus, sponsored by Illinois State University, is the oldest collegiate circus in the United States. It began as the Gamma Phi fraternity, founded in 1929 by ISU gymnastics instructor Clifford Pop Horton. The fraternity s first circus… …   Wikipedia

• Gamma knife — Gamma Knife® (or Leksell Gamma Knife®) is a device used to treat brain tumors with a high dose of radiation therapy in one day. The device was invented by Lars Leksell, a Swedish neurosurgeon, in 1967 at the Karolinska Institute in Sweden. Gamma… …   Wikipedia

• Gamma-valerolactona — Nombre (IUPAC) sistemático …   Wikipedia Español

• gamma rays — gamma radiation or gamma rays noun A penetrating radiation given off by radium and other radioactive substances • • • Main Entry: ↑gamma * * * noun [plural] : powerful invisible rays that are sent out from some radioactive substances called also… …   Useful english dictionary

• gamma ray — n. 1. electromagnetic radiation having a wavelength of 10 9 centimeters or less: may be produced by the reactions of nuclei or elementary particles or by the interaction of high energy electrons with matter 2. a stream of gamma rays …   English World dictionary