[tex]\delta(\frac{p_f^2}{2m}-E_i^o-\hbar\omega)=\frac{m}{p_f} \delta(p_f-[2m(E_i^o+\hbar\omega)]^{\frac{1}{2}})[/tex](adsbygoogle = window.adsbygoogle || []).push({});

Shouldn't the right hand side be multiplued by 2?

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# Dirac delta

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