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Old Oct 20th 2014, 11:33 PM   #1
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Q-value and kinetic energy of alpha particle in alpha decay.

1. The*problem*statement, all variables*and given/known*data
The nuclear masses of parent and*daughter nuclei are Mp= 226.025 amu and Md=222.017 amu.Mass of alpha particle is Mα=4.002amu.Find qvalue and kinetic energy of alpha particle*emitted for the alpha decay.
2. Relevant equations
Q=(Mp*-Md-Mα)amu...1
Assuming nucleus to be at rest as it is very*heavy Q=Eα(1+ Mα/Md)...2
3. The attempt at a solution
Putting given values in 1 i get Q=5.589MeV (1amu= 931.5MeV)Substituting this in 2 i get Eα=5.490 MeV.Have i done this correctly??
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