Physics Help Forum Q-value and kinetic energy of alpha particle in alpha decay.

 Nuclear and Particle Physics Nuclear and Particle Physics Help Forum

 Oct 20th 2014, 11:33 PM #1 Junior Member   Join Date: Oct 2014 Posts: 18 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??

 Tags alpha, decay, energy, kinetic, particle, qvalue

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# how to find kinetic energy of an alpha particle

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