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arxiv: hep-ph/9707254 · v1 · submitted 1997-07-05 · ✦ hep-ph

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One-Loop QCD Corrections to Deeply Virtual Compton Scattering: The Parton Helicity-Independent Case

Xiangdong Ji , Jonathan Osborne
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classification ✦ hep-ph
keywords comptonone-looppartonscatteringby-productcasecoefficientcollinearly-divergent
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We show that the one-loop QCD correction to deeply-virtual Compton scattering can be factorized into the finite perturbative contributions and the collinearly-divergent terms, which correspond to the matrix elements of the off-forward parton distributions. As a by-product, we obtain the next-to-leading order coefficient functions in the generalized operator product expansion of two vector currents.

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  1. Matching collinear factorization with color-glass condensate for inclusive and exclusive deep inelastic scattering

    hep-ph 2026-05 accept novelty 7.0

    Collinear factorization amplitudes exactly reproduce the large-Q² expansion of CGC amplitudes for inclusive DIS, DVCS, and DVMP at the amplitude level.