Next-to-Next-to-Leading Order QCD Corrections to Polarized Semi-Inclusive Deep-Inelastic Scattering

被引：1
作者：
Goyal, Saurav [1 ,2 ]
Lee, Roman N. [3 ]
Moch, Sven-Olaf [4 ]
Pathak, Vaibhav [1 ,2 ]
Rana, Narayan [2 ,5 ]
Ravindran, V. [1 ,2 ]
机构：
[1] Inst Math Sci, Chennai 600113, India
[2] Homi Bhabha Natl Inst, Training Sch Complex, Mumbai 400094, India
[3] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
[4] Hamburg Univ, Inst Theoret Phys 2, D-22761 Hamburg, Germany
[5] Natl Inst Sci Educ & Res, Sch Phys Sci, Jatni 752050, India
来源：
PHYSICAL REVIEW LETTERS | 2024年 / 133卷 / 21期
关键词：
FRAGMENTATION FUNCTIONS; DIFFERENTIAL-EQUATIONS; SPLITTING FUNCTIONS; NNLO CORRECTIONS; DISTRIBUTIONS; INTEGRALS; SOFT;
D O I：
10.1103/PhysRevLett.133.211905
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Polarized semi-inclusive deep-inelastic scattering (SIDIS) is a key process in the quest for a resolution of the proton spin puzzle. We present the complete results for the polarized SIDIS process at next-to-next-toleading order (NNLO) in perturbative quantum chromodynamics. Our analytical results include all partonic channels for the scattering of polarized leptons off hadrons and a spin-averaged hadron identified in the final state. A numerical analysis of the NNLO corrections illustrates their significance and the reduced residual scale dependence in the kinematic range probed by the future electron-ion collider.
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页数：7
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