Sivers and $\cos 2\varphi$ Asymmetries in Semi-inclusive Deep Inelastic Scattering in Light-front Holographic Model

Abstract

The spin asymmetries in SIDIS associated with $T$-odd TMDs are presented in a light-front quark-diquark model of a proton. To incorporate the effects of the final state interaction, the light front wave functions are modified to have a phase factor which is essential to have Sivers or Boer-Mulders functions. The Sivers and Boer-Mulder asymmetries are compared with HERMES and COMPASS data.

arXiv comment24 pages, 09 figures

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• Structure of the nucleon at leading and subleading twist in the covariant parton model
• Sivers and Boer-Mulders GTMDs in Light-front Holographic Quark-diquark Model
• Sub-leading twist transverse momentum dependent parton distributions in the light-front quark-diquark model
• Leading twist GTMDs at nonzero skewness and Wigner distributions in boost-invariant longitudinal position space
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• Sivers and Boer-Mulders TMDs of proton in a light-front quark-diquark model
• Sivers distribution functions of sea quark in proton with chiral Lagrangian
• TMD Relations: Insights from a Light-Front Quark-Diquark Model
• Predictions for the Sivers Single-Spin Asymmetry from Holographic QCD
• T-odd Wigner Distributions in boost-invariant longitudinal position space and Spin-momentum correlation in proton
• Relations between generalized parton distributions and transverse momentum dependent parton distributions