Calculate the energy of the antineutrino when ${ }_{38}^{90} \mathrm{Sr}$ decays via $\beta^{-}$ decay if the $\beta$ particle has a kinetic energy of $435 \mathrm{keV}$.
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Step 1
Step 1: Write the beta decay reaction for ${ }_{38}^{90} \mathrm{Sr}$: $$ { }_{38}^{90} \mathrm{Sr} \rightarrow { }_{39}^{90} \mathrm{Y} + \beta^{-} + \overline{\nu}_{e} $$ Show more…
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