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The bombardment of Lithium with protons ...

The bombardment of Lithium with protons gives rise to the following reaction: `._3Li^7+._1H^1 to .2_He^4+.2_He^4+Q`
The atomic masses of lithium, hydrogen and helium are : `7.016u, 1.008u` and `4.004u` resp. Find the initial energy of each of `alpha` particle. Take `1a.m.u=931MeV`.

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