with "(2^(1-D) \[Pi]^(-D/2) g^2)/(q^2-ms^2 Subscript[\[Xi], S(Gen3)])"
you mean
(2^(1-D) \[Pi]^(-D/2) g^2)FAD[{q,ms Sqrt[Subscript[\[Xi], S(Gen3)]]}] ?
Am 28.02.19 um 17:49 schrieb john:
> OK.thank you for your quick reply.Yet I have another problem,why does OneLoopSimplify return zero for "(2^(1-D) \[Pi]^(-D/2) g^2)/(q^2-ms^2 Subscript[\[Xi], S(Gen3)])" that is the self energy bubble of a scalar?
> Is it due to counter terms? If so how can I turn them off?
>
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