Collinear matching for Sivers function at next-to-leading order
arXiv:1901.04519 · doi:10.1007/JHEP05(2019)125
Abstract
We evaluate the light-cone operator product expansion for the unpolarized transverse momentum dependent (TMD) operator in the background-field technique up twist-3 inclusively. The next-to-leading order (NLO) matching coefficient for the Sivers function is derived. The method, as well as many details of the calculation, are presented.
46 page, 8 figured; ver2: Updated discussions on rapidity divergences and scheme-dependance, many minor changes
References in corpus (10)
- Drell-Yan production at small q_T, transverse parton distributions and the collinear anomaly
- Matches and mismatches in the descriptions of semi-inclusive processes at low and high transverse momentum
- A Unified Picture for Single Transverse-Spin Asymmetries in Hard Processes
- Dilepton production from polarized hadron hadron collisions
- Soft-/rapidity- anomalous dimensions correspondence
- Single Transverse-Spin Asymmetry in Drell-Yan Production at Large and Moderate Transverse Momentum
- Evolution of twist-3 multi-parton correlation functions relevant to single transverse-spin asymmetry
- Singular and Regular Gauges in Soft Collinear Effective Theory: The Introduction of the New Wilson Line T
- Test the time-reversal modified universality of the Sivers function
- QCD evolution of naive-time-reversal-odd parton distribution functions