Present State of Proton Spin Problem

We remind the origin of the proton spin problem in deep inelastic scattering, then discuss the recent RHIC data and demonstrate that complementing the RHIC data with theoretical calculations in double-logarithmic approximation solves the proton spin problem even when contributions of the angular orbital momentum of the partons are not taken into account.

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Publication Details

Journal
Physics of Particles and Nuclei
Published
2025-10-01
DOI
https://doi.org/10.1134/s1063779625700224
Primary Topic
Quantum Chromodynamics and Particle Interactions
Type
article
Field-Weighted Citation Impact
0.00
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article

Present State of Proton Spin Problem

Physics of Particles and Nuclei
Quantum Chromodynamics and Particle Interactions
article

Present State of Proton Spin Problem

article en

Abstract

We remind the origin of the proton spin problem in deep inelastic scattering, then discuss the recent RHIC data and demonstrate that complementing the RHIC data with theoretical calculations in double-logarithmic approximation solves the proton spin problem even when contributions of the angular orbital momentum of the partons are not taken into account.

Physics of Particles and NucleiVol. 56(5)
Ioffe Institute (RU)
Openalex Percentile: Top 30%
Quantum Chromodynamics and Particle Interactions
DOISourceOpenAlex
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Present State of Proton Spin Problem · Physics of Particles and Nuclei (2025) | TGRS Research Map | TGRS