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Soft-collinear resummation in deeply virtual Compton scattering

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arxiv 1206.3115 v1 pith:MRGX2X4O submitted 2012-06-14 hep-ph hep-exhep-thnucl-exnucl-th

T. Altinoluk , B. Pire , L. Szymanowski , S. Wallon This is my paper
classification hep-phhep-exhep-thnucl-exnucl-th
keywords comptondeeplyresummationscatteringvirtualaccountalphasamplitude
verification ladder T0 review T1 audit T2 compute T3 formal
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We derive an all order resummation formula for the deeply virtual Compton scattering (DVCS) amplitude, which takes into account soft gluon exchanges in the non-singlet quark coefficient function. We identify the ladder diagrams responsible in light-like gauge for [alphaS log^2 (x +/- xi)]^n contributions. The resummed series results in a simple closed expression.

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