Lectures on QED and QCD

Lectures on QED and QCD

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The increasing precision of experimental data in many areas of elementary particle physics requires an equally precise theoretical description. In particular, radiative corrections (described by one- and multi-loop Feynman diagrams) have to be considered. Although a growing number of physicists are involved in such projects, multi-loop calculation methods can only be studied from original publications. With its coverage of multi-loop calculations, this book serves as an excellent supplement to the standard textbooks on quantum field theory. Based around postgraduate-level lectures given by the author, the material is suitable for both beginners and graduate students.5.6 Two-loop massive vacuum diagram Leta#39;s consider the two-loop massive vacuum diagram (Fig. ... The power of m is evident from the dimensional counting , and our aim is to find the dimensionless function V(ni, n2, n3); we can put m = 1 toanbsp;...

Title:Lectures on QED and QCD
Author:A. G. Grozin
Publisher:World Scientific - 2007


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