Octet Quark Contents from SU(3) Flavor Symmetry

TL;DR

This paper extends the understanding of valence quark contents in octet baryons using SU(3) flavor symmetry and phenomenological relations, providing predictions that can be tested by future experiments.

Contribution

It introduces a method to estimate octet baryon quark contents based on proton PDFs and SU(3) symmetry, linking fragmentation functions through the Gribov-Lipatov relation.

Findings

Valence quark contents for octet baryons are estimated.

Fragmentation functions are derived at high x region.

Predictions differ from other models, testable by experiments.

Abstract

With the parametrization of parton distribution functions (PDFs) of the proton by Soffer \textit{et al.}, we extend the valence quark contents to other octet baryons by utilizing SU(3) flavor symmetry. We find the method practically useful. Fragmentation functions (FFs) are further obtained through the phenomenological Gribov-Lipatov relation at the $x \to 1$ region. Our results are compared with different models, and these different predictions can be discriminated by upcoming experiments.