Bjorken sum rule with analytic QCD coupling

C. Ayala; G. Cvetič; A. V. Kotikov; B. G. Shaikhatdenov

doi:10.1088/1742-6596/1435/1/012016

Bjorken sum rule with analytic QCD coupling

C. Ayala
, G. Cvetič
, A. V. Kotikov
, B. G. Shaikhatdenov

Universidad Técnica Federico Santa Maria
Joint Institute for Nuclear Research

Research output: Contribution to journal › Conference article › peer-review

9 Scopus citations

Abstract

We present details of study of the polarized Bjorken sum rule Γ ₁_p-nQ²) carried out recently in [1]. Four QCD coupling versions are considered: Perturbative QCD (pQCD) in theMS scheme, Analytic Perturbation Theory, and 2δ and 3δ analytic QCD versions. In contrast to pQCD, these QCD variants do not have Landau singularities at low positive Q ². In general, when 2δ and 3δ QCD coupling is used the fitted curves give the best results.

Original language	English
Article number	012016
Journal	Journal of Physics: Conference Series
Volume	1435
Issue number	1
DOIs	https://doi.org/10.1088/1742-6596/1435/1/012016
State	Published - 22 Jan 2020
Externally published	Yes
Event	18th Workshop on High Energy Spin Physics, DSPIN 2019 - Dubna, Moscow Region, Russian Federation Duration: 2 Sep 2019 → 6 Sep 2019

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10.1088/1742-6596/1435/1/012016

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title = "Bjorken sum rule with analytic QCD coupling",

abstract = "We present details of study of the polarized Bjorken sum rule Γ 1p-nQ2) carried out recently in [1]. Four QCD coupling versions are considered: Perturbative QCD (pQCD) in theMS scheme, Analytic Perturbation Theory, and 2δ and 3δ analytic QCD versions. In contrast to pQCD, these QCD variants do not have Landau singularities at low positive Q 2. In general, when 2δ and 3δ QCD coupling is used the fitted curves give the best results.",

author = "C. Ayala and G. Cveti{\v c} and Kotikov, \{A. V.\} and Shaikhatdenov, \{B. G.\}",

note = "Publisher Copyright: {\textcopyright} 2020 Published under licence by IOP Publishing Ltd.; 18th Workshop on High Energy Spin Physics, DSPIN 2019 ; Conference date: 02-09-2019 Through 06-09-2019",

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T1 - Bjorken sum rule with analytic QCD coupling

AU - Ayala, C.

AU - Cvetič, G.

AU - Kotikov, A. V.

AU - Shaikhatdenov, B. G.

PY - 2020/1/22

Y1 - 2020/1/22

N2 - We present details of study of the polarized Bjorken sum rule Γ 1p-nQ2) carried out recently in [1]. Four QCD coupling versions are considered: Perturbative QCD (pQCD) in theMS scheme, Analytic Perturbation Theory, and 2δ and 3δ analytic QCD versions. In contrast to pQCD, these QCD variants do not have Landau singularities at low positive Q 2. In general, when 2δ and 3δ QCD coupling is used the fitted curves give the best results.

AB - We present details of study of the polarized Bjorken sum rule Γ 1p-nQ2) carried out recently in [1]. Four QCD coupling versions are considered: Perturbative QCD (pQCD) in theMS scheme, Analytic Perturbation Theory, and 2δ and 3δ analytic QCD versions. In contrast to pQCD, these QCD variants do not have Landau singularities at low positive Q 2. In general, when 2δ and 3δ QCD coupling is used the fitted curves give the best results.

UR - https://www.scopus.com/pages/publications/85078961452

U2 - 10.1088/1742-6596/1435/1/012016

DO - 10.1088/1742-6596/1435/1/012016

M3 - Conference article

AN - SCOPUS:85078961452

SN - 1742-6588

VL - 1435

JO - Journal of Physics: Conference Series

JF - Journal of Physics: Conference Series

IS - 1

M1 - 012016

T2 - 18th Workshop on High Energy Spin Physics, DSPIN 2019

Y2 - 2 September 2019 through 6 September 2019

ER -

Bjorken sum rule with analytic QCD coupling

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