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Find the maximum energy that beta- part...

Find the maximum energy that `beta`- particle may have in the following decay:
`""_8O^(19)to ""_9F^(19)+""_(-1)e^0+vecv`
Given `m(""_8O_(19))=19.003576 a.m.u.`
`m(""_9F^(19))=18.998403 a.m.u.`
`m(""_(-)e^0)=0.000549 a.m.u.`

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The correct Answer is:
4.3049 MeV
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