1) Americium emission 2) Atomic emission 3) Atomic nucleus emission 4) Electromagnetic radiation 5) Radioactive decay emission 6) Type of atomic radiation
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Gamma radiation, also known as gamma rays, and denoted by the Greek letter γ, refers to electromagnetic radiation of extremely high frequency and therefore high energy per photon. Gamma rays are ionizing radiation, and are thus biologically hazardous. They are classically produced by the decay from high energy states of atomic nuclei (gamma decay...
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http://en.wikipedia.org/wiki/Gamma_ray
electromagnetic radiation of the shortest wavelength and highest energy.[34 related articles]
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http://www.britannica.com/eb/a-z/g/6
A type of high-energy radiation that is different from an x-ray.
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http://www.cancer.gov/dictionary?expand=G
High energy electromagnetic radiation. A highly penetrating type of nuclear radiation similar to x-ray radiation, except that it comes from within the nucleus of an atom and has a higher energy. Energywise, very similar to cosmic ray except that cosmic rays originate from outer space. For more information see Electrochemistry
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http://www.chemistry-dictionary.com/definition/gamma+ray.php
The highest energy, shortest wavelength electromagnetic radiations. Usually, they are thought of as any photons having energies greater than about 100 keV.
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http://www.encyclo.co.uk/local/20040
A discrete quantity of electromagnetic energy without mass or charge emitted by a radionuclide.
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http://www.encyclo.co.uk/local/20474
High energy electromagnetic radiation.A highly penetrating type of nuclear radiation similar to x-ray radiation, except that it comes from within the nucleus of an atom and has a higher energy. Energywise, very similar to cosmic ray except that cosmic rays originate from outer space.
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<radiobiology> Electromagnetic radiation (photons) with energies greater than (roughly) 100 keV (that is, 100,000 electron volts). Gamma radiation frequently accompanies alpha and beta decays, and always accompanies fission. Gamma rays are highly penetrating and are best shielded against using dense materials, such as lead or depleted uranium...
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http://www.encyclo.co.uk/local/20973
Gamma ray: High-energy electromagnetic radiation emitted by certain radionuclides when their nuclei transition from a higher to a lower energy state. Gamma rays have high energy and a short wave length. All gamma rays emitted from a given isotope have the same energy, a characteristic that enables scientists to identify which gamma emitters are pre...
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http://www.medterms.com/script/main/art.asp?articlekey=30767
In chemistry, gamma rays are similar to X-rays, forming part of the radiation of a radioactive substance.
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http://www.probertencyclopaedia.com/browse/GG.HTM
The highest energy, shortest wavelength form of electromagnetic radiation.
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http://www.seasky.org/astronomy/astronomy-glossary.html
The highest energy (shortest wavelength) photons in the electromagnetic spectrum. Gamma rays are often defined to begin at 10 keV, although radiation from around 10 keV to several hundred keV is also referred to as hard x-rays.
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https://www.encyclo.co.uk/local/20087
Extremely short-wavelength and energetic electromagnetic radiation.
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https://www.encyclo.co.uk/local/22784
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