GammaEpsilon[exp] gives a series expansion of Gamma[exp] in Epsilon up to order 6 (where EulerGamma is neglected).
See also: GammaExpand, Series2.
If the argument is of the form (1+a Epsilon) the result is not calculated but tabulated.
For other arguments the expansion is calculated.
The FeynCalc Book | GAD | GammaExpand |