alpha decay

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alpha decay

The radioactive decay of an atomic nucleus by emission of an alpha particle.

American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

alpha decay

(General Physics) the radioactive decay process resulting in emission of alpha particles

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

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Noun

alpha decay - radioactive decay of an atomic nucleus that is accompanied by the emission of an alpha particle

radioactive decay, disintegration, decay - the spontaneous disintegration of a radioactive substance along with the emission of ionizing radiation

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It is the alpha decay of thorium and uranium which in part heats up the inner core of the earth, making it fluid, allowing for the continental drift and the magnetic field.

Perspectives on Decay and Time Evolution of Metastable States: From Particle Physics to Cosmology

[5] in the alpha decay of [sup.214]Po measured by [alpha]-particle absorption.

Configuration mixing in particle decay and reaction

A physicist by the name of (https://en.wikipedia.org/wiki/George_Gamow) George Gamow  then produced a formalism for describing alpha decay using quantum tunneling (first noted by (https://en.wikipedia.org/wiki/Friedrich_Hund) Friedrich Hund )- which allowed atoms to cross the classically impenetrable Coulomb barrier.

Myths About The Sun That Turned Out To Be Wrong

[sup.209]Po decay scheme showing the alpha decay branch to [sup.205]Pb and the electron capture (EC) to [sup.209]Bi, as adapted from data in Ref.