Abstract
We calculate the colour-ordered form factor for chiral primary operators built from J scalar fields of ABJ(M) theory to J scalar final states. We work in the ’t Hooft limit and show that the leading quantum correction is \( \mathcal{O}\left( {{\lambda^2}} \right) \), where λ is the ’t Hooft coupling. We evaluate this leading correction using standard Feynman diagrams and dimensional regularization, and find that the leading divergence is 1/ϵ2 where the spacetime dimension is d = 3 − 2ϵ. We further find that the result respects maximal transcendentality.
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Young, D. Form factors of chiral primary operators at two loops in ABJ(M). J. High Energ. Phys. 2013, 49 (2013). https://doi.org/10.1007/JHEP06(2013)049
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DOI: https://doi.org/10.1007/JHEP06(2013)049