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Semi-automatic calculations of multi-loop Feynman amplitudes with AmpRed

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POSTED BY: Wen Chen
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Hi Wen! Wonderful work!

I've been looking into various HEP Mathematica packages (like FeynArts, FeynCalc, FeynHelpers, LoopTools, Package-X etc.) recently and got frustrated with how hard it is to get some results without digging very hard into theory and specific methods. I wonder how easier it is to compute a g-factor using AmpRed, at least for a single loop like it is done here for example? We need to calculate the form factor somehow by turning them into divergent single-loop integrals, simplifying amplitudes, and substituting all the constants. All of which require some steep learning curve actually to execute in practice.

I would really like to see these tools to have a more human design for particle physics in the future, similar to how it is easier to compute with molecules, bio-sequences, astronomical objects, and other physical entities now with the Wolfram Language.

POSTED BY: Nikolay Murzin

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