Is it Possible to Match Higher-Twist Contributions with Chiral Perturbation Theory?

We present a QCD-motivated approach to the analysis of polarized Bjorken sum rule in the nonperturbative infrared region Q2 < 1 GeV2. In this approach, we use the Gerasimov–Drell–Hearn sum rule as a boundary condition and move from the region of large momentum transfers to the low Q2-region. We show that the developed approach works well and note a possible problem with the Jefferson Lab data at Q2 < 0.1 GeV2.

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Publication Details

Journal
Zenodo (CERN European Organization for Nuclear Research)
Published
2024-12-17
DOI
https://doi.org/10.5281/zenodo.14508834
Primary Topic
Quantum Chromodynamics and Particle Interactions
Type
article
Field-Weighted Citation Impact
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article

Is it Possible to Match Higher-Twist Contributions with Chiral Perturbation Theory?

Zenodo (CERN European Organization for Nuclear Research)
Quantum Chromodynamics and Particle Interactions
article

Is it Possible to Match Higher-Twist Contributions with Chiral Perturbation Theory?

article en

Abstract

We present a QCD-motivated approach to the analysis of polarized Bjorken sum rule in the nonperturbative infrared region Q2 < 1 GeV2. In this approach, we use the Gerasimov–Drell–Hearn sum rule as a boundary condition and move from the region of large momentum transfers to the low Q2-region. We show that the developed approach works well and note a possible problem with the Jefferson Lab data at Q2 < 0.1 GeV2.

Zenodo (CERN European Organization for Nuclear Research)
Sukhoi State Technical University of Gomel (BY), Joint Institute for Nuclear Research (RU)
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Quantum Chromodynamics and Particle Interactions
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Is it Possible to Match Higher-Twist Contributions with Chiral Perturbation Theory? · Zenodo (CERN European Organization for Nuclear Research) (2024) | TGRS Research Map | TGRS