Analysis of the double-spin asymmetry A_LT in inelastic nucleon-nucleon collisions

Abstract

Within the collinear twist-3 framework, we analyze the double-spin asymmetry in collisions between longitudinally polarized nucleons and transversely polarized nucleons with focus on hadron and jet production. As was the case in direct photon production, the double-spin dependent cross section for hadron and jet production has the advantage of involving a complete set of collinear twist-3 functions. In addition, we outline further benefits of this observable for a potential future measurement at RHIC, which includes insight on the gluon helicity distribution as well as information on the Efremov-Teryaev-Qiu-Sterman function T_F(x,x) that plays a crucial role in single-spin asymmetries.

Minor changes to text, reference added, accepted for publication in Phys. Rev. D

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Cited by in corpus (19)

• Parton Fragmentation Functions
• Fragmentation contribution to the transverse single-spin asymmetry in proton-proton collisions
• Operator Constraints for Twist-3 Functions and Lorentz Invariance Properties of Twist-3 Observables
• Contribution of twist-3 fragmentation function to single transverse-spin asymmetry in semi-inclusive deep inelastic scattering
• The role of zero-mode contributions in the matching for the twist-3 PDFs $e(x)$ and $h_L(x)$
• Transverse momentum-weighted Sivers asymmetry in semi-inclusive deep inelastic scattering at next-to-leading order
• A partonic description of the transverse target single-spin asymmetry in inclusive DIS
• Longitudinal-transverse double-spin asymmetries in single-inclusive leptoproduction of hadrons
• Transverse single spin asymmetry in hadronic ${\eta }_{c,b}$ production
• Left-right spin asymmetry in $\ell N^{\uparrow }\to hX$
• Polarized hyperon production in single-inclusive electron-positron annihilation at next-to-leading order
• Double-spin asymmetry $A_{LT}$ in open charm production
• Transverse spin observables in hard-scattering hadronic processes within collinear factorization
• Double Spin Asymmetries of Inclusive Hadron Electroproductions from a Transversely Polarized ${}^3\mathrm{He}$ Target
• Spin asymmetries for vector boson production in polarized p+p collisions
• Twist-3 effect from the longitudinally polarized proton for $A_{LT}$ in hadron production from $pp$ collisions
• Twist-3 fragmentation effects for $A_{LT}$ in light hadron production from proton-proton collisions
• Color entanglement effect in collinear twist-3 factorization
• $A_N$ in inclusive lepton-proton collisions: TMD and twist-3 approaches