Dear FeynCalc developers,
first of all, thanks for the excellent job.
I was trying to calculate a tree level process with a specific polarisation vector for some incoming photons. Google pointed me to an old paper, http://arxiv.org/abs/hep-ph/9710265, where they quote the function SpecificPolarization[..] which apparently is not there anymore.
In substance, is there a way to specify a polarisation vector so that a polarized amplitude can be calculated simply by contracting this specific vector with the remaining part of the latter?
Thank you for your help,
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