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Alpha - a helium nucleolus, energetic but easily stopped.
Beta - an electron, any metal foil will stop
Gamma - hard radiation (photons), hard to shield from.
These were just the first 3 known;
now have neutrinos, neutrons, "name a particle"
Wiki User
∙ 15y ago
Wiki User
∙ 12y agoThe three main types of radiation are alpha, beta, and gamma.
However, neutrons are sufficiently important in nuclear physics to consider them as a fourth main type of radiation.
Alpha is a helium nucleus, 24He2+, that is ejected from certain nuclei. It is a form of spontaneous fission.
Beta comes in two flavors, beta-, which is an electron and an electron antineutrino, and beta+, which is a positron and an electron neutrino.
Gamma or x-ray is a photon emitted from the nucleus (gamma) or the electron cloud (x-ray) in response to an attempt to return to ground state after certain kinds of excitation, such as alpha or beta.
Wiki User
∙ 11y agomicrowaves, X-rays, gamma rays
Wiki User
∙ 15y agogamma beta alpha
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