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QCD evolution of naive-time-reversal-odd parton distribution functions

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arxiv 1205.1019 v1 pith:SUCKGCUF submitted 2012-05-04 hep-ph hep-ex

Zhong-Bo Kang , Jian-Wei Qiu This is my paper · ORCID
classification hep-phhep-ex
keywords evolutionfunctionsdifferencesdistributionequationsgroupsnaive-time-reversal-oddparton
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We reexamine the derivation of the leading order QCD evolution equations of twist-3 quark-gluon correlation functions, $T_{q,F}(x,x)$ and $T^{(\sigma)}_{q,F}(x,x)$, which are the first transverse-momentum-moment of the naive-time-reversal-odd parton distribution functions - the Sivers and Boer-Mulders function, respectively. The evolution equations were derived by several groups with apparent differences. We identify the sources that are responsible for the differences, and are able to reconcile the results from various groups.

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Cited by 2 Pith papers

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    Defines an IRC-safe one-point charge correlator in DIS, relates it to a new nucleon charge correlator in the forward limit and to TMDs in the back-to-back limit, with SCET derivations verified in QCD to O(alpha_s^2) a...

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    hep-ph 2025-06 conditional novelty 6.0 of 10

    Applying a 0-jettiness veto to transverse single-spin asymmetries in W/Z production at RHIC enhances the asymmetry signal, sharpening the test of the Sivers sign change.

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