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alpha decay
(redirected from alpha radiation)

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alpha decay

Spontaneous alteration of the nucleus of a radioactive atom, which transmutes the atom from one atomic number to another through the emission of a helium nucleus (known as an alpha particle). As a result, the atomic number decreases by two and the atomic weight decreases by four. See also radioactivity.



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? Mentioned in ? References in periodicals archive
 
Although the alpha radiation dose rate varies significantly within the 50-1am thickness of tissue, it was nonetheless useful to calculate this tissue-averaged dose for comparison with that produced by Thorotrast.
Implanted depleted uranium fragments cause soft tissue sarcomas in ... by Hoover, Mark D. / Environmental Health Perspectives
Because a person's exposure to alpha particles typically is low, researchers have had to estimate public health threats from radon by extrapolating from the effects of higher doses of alpha radiation.
Low radiation hurts bystander cells. (Science News of the week) by Harder, B. / Science News
In addition, measurements of gross beta and gross alpha radiation in samples were available for some individuals.
The Effects of Internal Radiation Exposure on Cancer Mortality in ... by Young, Bambi / Environmental Health Perspectives
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