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Heavy quark contributions in Bjorken sum rule with analytic coupling
- Authors: 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.4,5
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Affiliations:
- Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research
- Moscow State University
- Dubna State University
- Tomsk State University
- Department of Physics, Universidad Tecnica Federico Santa Maria
- Issue: Vol 120, No 11-12 (2024)
- Pages: 842-843
- Section: Articles
- URL: https://vestnik.nvsu.ru/0370-274X/article/view/664438
- DOI: https://doi.org/10.31857/S0370274X24120031
- EDN: https://elibrary.ru/SGTYAM
- ID: 664438
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Abstract
We consider heavy quark contributions to the polarized Bjorken sum rule. We found good agreement be-tween the experimental data and the predictions of analytic QCD. To satisfy the limit of photoproduction, weuse new representation of the perturbative part of the polarized Bjorken sum rule, recently proposed.
About the authors
I. R. Gabdrakhmanov
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research
Email: kotikov@theor.jinr.ru
Dubna, Russia
N. A. Gramotkov
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research; Moscow State University
Email: kotikov@theor.jinr.ru
Dubna, Russia; Moscow, Russia
A. V. Kotikov
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research
Email: kotikov@theor.jinr.ru
Dubna, Russia
O. V. Teryaev
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research
Email: kotikov@theor.jinr.ru
Dubna, Russia
D. A. Volkova
Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research; Dubna State University
Email: kotikov@theor.jinr.ru
Dubna, Russia; Dubna, Russia
I. A. Zemlyakov
Tomsk State University; Department of Physics, Universidad Tecnica Federico Santa Maria
Author for correspondence.
Email: kotikov@theor.jinr.ru
Tomsk, Russia; Avenida Espana Valparaiso, Chile
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