Energy of alpha particle and quantum tunneling

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CatWoman
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Homework Statement


Alpha decay typically involves an alpha-particle of 5-6Mev. How can this be explained using quantum mechanics?



Homework Equations





The Attempt at a Solution


I think I need to work out the potential barrier and then work out how much KE an alpha particle has once it has tunnelled out, by convertig KE to PE.
 
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