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alpha particle

Alpha Radiation

November 15, 2009

Want to stay on top of all the space news? Follow @universetoday on Twitter Alpha radiation is another name for the alpha particles emitted in the type of radioactive decay called alpha decay. Alpha particles are helium-4 (4He) nuclei. Radioactivity was discovered by Becquerel, in 1896 (and one of the units of radioactivity – the [...]

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Alpha Decay

September 19, 2009

An alpha decay is one of three types of radioactive decay. In this particular type, a particle made up of two neutrons and two protons is released. If you’ve noticed, the composition of this particle is similar to that of a Helium nucleus. This is the reason why some people simply describe alpha particles as [...]

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Alpha Particle

July 23, 2009

An alpha particle is a particle made up of two protons and two neutrons. Since this configuration is similar to that of a helium nucleus, it’s often referred to as a helium nucleus. The term is commonly used in nuclear physics, and is one of the three particles commonly emitted during a radioactive decay, i.e., [...]

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