Heavy quark contributions in Bjorken sum rule with analytic coupling

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Аннотация

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.

Авторлар туралы

I. Gabdrakhmanov

Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research

Email: kotikov@theor.jinr.ru
Dubna, Russia

N. Gramotkov

Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research; Moscow State University

Email: kotikov@theor.jinr.ru
Dubna, Russia; Moscow, Russia

A. Kotikov

Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research

Email: kotikov@theor.jinr.ru
Dubna, Russia

O. Teryaev

Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research

Email: kotikov@theor.jinr.ru
Dubna, Russia

D. Volkova

Bogoliubov Laboratory of Theoretical Physics, Joint Institute for Nuclear Research; Dubna State University

Email: kotikov@theor.jinr.ru
Dubna, Russia; Dubna, Russia

I. Zemlyakov

Tomsk State University; Department of Physics, Universidad Tecnica Federico Santa Maria

Хат алмасуға жауапты Автор.
Email: kotikov@theor.jinr.ru
Tomsk, Russia; Avenida Espana Valparaiso, Chile

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