Hello fellow physicists,(adsbygoogle = window.adsbygoogle || []).push({});

during some calculations for a project regarding Renormalization, I had a difficulty in computing a derivative of a loop integral in Yukawa theory. The thing i'm reffering to can be found in Peskin and Schroeder's book, Introduction to QFT , in Chapter 10 page 329-330.

Question #1:

How the gamma function's argument changes from "1-d/2" (10.33) to "2-d/2" (10.35) ?

Question #2:

Could please somebody show me a detailed calculation of the derivation? I cannot get the finel form, with "x(1-x)" in the numerator and plus the denominator has power "2-d/2" and i think that normally the power should be "-d/2"

Thank you very much in advance..

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# Derivating a Yukawa theory loop-integral !

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