Heavy Quark Vacuum Polarisation to Three Loops
classification
✦ hep-ph
keywords
loopspolarisationquarkthreevacuumalphacalculatedcalculation
read the original abstract
The real and imaginary part of the vacuum polarisation function $\Pi(q^2)$ induced by a massive quark is calculated in perturbative QCD up to order $\alpha_s^2$. The method is described and the results are presented. This extends the calculation by K\"all\'en and Sabry from two to three loops.
This paper has not been read by Pith yet.
discussion (0)
Sign in with ORCID, Apple, or X to comment. Anyone can read and Pith papers without signing in.