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Constraining gluon poles

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Anikin, I. V. ; Teryaev, O. V.

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Date of publication of this fulltext: 14 Jan 2016 15:00


In this letter, we revise the QED gauge invariance for the hadron tensor of Drell-Yan type processes with the transversely polarized hadron. We perform our analysis within the Feynman gauge for gluons and make a comparison with the results obtained within the light-cone gauge. We demonstrate that QED gauge invariance leads, first, to the need of a non-standard diagram and, second, to the absence ...


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