New pole contribution to $P_{h\perp }$-weighted single-transverse spin asymmetry in semi-inclusive deep inelastic scattering

Abstract

In this paper, we discuss the new hard pole contribution to the $P_{h\perp }$-weighted single-transverse spin asymmetry in semi-inclusive deep inelastic scattering. We perform the complete next-to-leading order calculation of the $P_{h\perp }$-weighted cross section and show that the new hard pole contribution is required in order to obtain the complete evolution equation for the Qiu-Sterman function derived by different approaches.

19 pages, 6 figures

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Cited by in corpus (12)

• Polarized hyperon production in single-inclusive electron-positron annihilation at next-to-leading order
• Exact Relations for Twist-3 Gluon Distribution and Fragmentation Functions from Operator Identities
• Single-spin asymmetries at two loops
• Transverse spin observables in hard-scattering hadronic processes within collinear factorization
• Double-Longitudinal Spin Asymmetry in Single-Inclusive Lepton Scattering at NLO
• One-Loop Corrections of Single Spin Asymmetries at Twist-3 in Drell-Yan Processes
• QCD evolution of the orbital angular momentum of quarks and gluons: Genuine twist-three part
• One-Loop Corrections of Single Spin Asymmetries in Semi-Inclusive DIS
• New approach to the Sivers effect in the collinear twist-3 formalism
• Transverse Nucleon Single-Spin Asymmetry for Single-Inclusive Hadron and Jet Production at NLO Accuracy
• NLO corrections and factorization for transverse single-spin asymmetries
• Fragmentation contributions to transverse nucleon spin observables in semi-inclusive deep-inelastic scattering at NLO