About Hard radiation
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Hard radiation is a term used to describe high-energy electromagnetic radiation, typically high energy X-rays or gamma rays. The term refers to the ability of the rays to penetrate a given thickness of material, typically a lead shield.
Hard radiation is able to cross 167 gcm-2 of lead (composed by p with energy greater than 1 GeV, m with E>300 MeV and e and g with E>10 GeV) [1]
See also
References
- ^ M. Brunetti. "Cosmic Ray Physics". http://www.isao.bo.cnr.it/~climstor/michele/cr/cr.html. Retrieved 21 August 2009.
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2010,03,13
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