Bjorken sum rule with analytic coupling

被引：0

作者：

Gabdrakhmanov, I. R. ^{[1
]}

Gramotkov, N. A. ^{[1
,2
]}

Kotikov, A. V. ^{[1
]}

Teryaev, O. V. ^{[1
]}

Volkova, D. A. ^{[1
,3
]}

Zemlyakov, I. A. ^{[4
]}

机构：

[1] Joint Inst Nucl Res, Bogoliubov Lab Theoret Phys, Dubna 141980, Russia

[2] Moscow State Univ, Fac Phys, Moscow 119991, Russia

[3] Dubna State Univ, Engn Phys Inst, Moscow 141980, Russia

[4] Univ Tecn Feder Santa Maria, Dept Phys, Ave Espana 1680, Valparaiso, Chile

来源：

INTERNATIONAL JOURNAL OF MODERN PHYSICS A | 2025年 / 40卷 / 04期

关键词：

Analytic strong coupling constant; Bjorken sum rule; DEPENDENT STRUCTURE-FUNCTION; DEEP-INELASTIC-SCATTERING; STRUCTURE-FUNCTION G1(X); SPIN STRUCTURE; PERTURBATION-THEORY; POWER CORRECTIONS; POLARIZED HE-3; QCD ANALYSIS; PROTON; DEUTERON;

D O I：

10.1142/S0217751X24501756

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

This study is dedicated to the description of the polarized Bjorken sum rule, based on recently derived formulas within the analytic QCD approach. To accommodate the photoproduction limit and incorporate the Gerasimov-Drell-Hearn and Burkhardt-Cottingham sum rules, we develop a new representation for the twist-2 part of the Bjorken sum rule. The derived results were applied for processing of experimental data. We observed a good agreement between the experimental data and the predictions from analytic QCD. In contrast, there is a significant discrepancy between these data and the fitting curves within the standard perturbative approach.

引用

页数：19

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