Need help to know which scalar integrals apply to terms in TID

[Pholipo]

Greetings,

I have the following output, named "ex4", this output is the numerator of a loop integral

Where l^{mu} is the loop momentum obtained after Feynman parametrization, and p_{\mu} is the external momentum, this integral is a bubble correction for a massive vector field, with consisting of 2 3-vertex self interactions. After obtaining "ex4", i apply the TID function to it and select the different tensorial contributions to it

So each of the terms in "ex5" must be multiplied by a scalar loop integral in momentum l. But in "ex4", there are many different powers of l (sometimes l^{2} and a few l^{4}) , and thus they should produce different scalar integrals, how can I tell which scalar integral multiplies which term in the output named "ex5"?

[vsht]

Hi,

So each of the terms in "ex5" must be multiplied by a scalar loop integral in momentum l. But in "ex4", there are many different powers of l (sometimes l^{2} and a few l^{4}) , and thus they should produce different scalar integrals, how can I tell which scalar integral multiplies which term in the output named "ex5"?

sorry, I don't understand the question. The output of TID contains scalar integrals multiplied by the tensor structures w.r.t. which you are collecting. But your ex5 output looks very weird, because it lacks any propagator denominators.

BTW, posting pictures instead of expressions is not a good way to ask for meaningful answers, because no one will be able to evaluate your code.

[Pholipo]

Thanks, It really lacked the loop denominator!