1995/03/25 by H. J. Weber, X. Song, M. Kirchbach · 1 citation
Physics and Astronomy · #Nuclear physics research studies #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph #nucl-th
paper · pdf · doi:10.1142/s0217732397000765
published as Mod.Phys.Lett. A12 (1997) 729-736 · 13 pages, 1 table, no figures, LaTex, eta & eta' parts changed
arxiv created 1995/03/25 · openalex publication_date 1997/03/28 · arxiv updated 2009/11/30 · openalex created_date 2025/10/10 · openalex updated_date 2026/07/28
The spin and flavor fractions of constituent quarks in the proton are obtained from their chiral fluctuations involving Goldstone bosons. SU(3) breaking suggested by the mass difference between the strange and up, down quarks is included, and this improves the agreement with the data markedly.