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I tried your suggestion already and it works.

However, the result contains a lot of Passarino-Veltman integrals.

I found the definition of these integral in the manual but the terms with indices other than zero are quite complicate.

I found that we can extract these integrals by Write2 function.

However, I get nothing from this function. How to solve this problem?

Another question is are there any way to get the analytic expression directly from OneLoop result? or I have to calculate Passarino-Veltman integrals term by term.

Thanks.

**Next message:**Vladyslav Shtabovenko: "Re: How to simplify result with Passarino-Veltman integrals."**Previous message:**Vladyslav Shtabovenko: "Re: Get"**Next in thread:**Vladyslav Shtabovenko: "Re: How to simplify result with Passarino-Veltman integrals."**Reply:**Vladyslav Shtabovenko: "Re: How to simplify result with Passarino-Veltman integrals."**Messages sorted by:**[ date ] [ thread ] [ subject ] [ author ]**Mail actions:**[ respond to this message ] [ mail a new topic ]

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