Spin contents of nucleons with SU(3) breaking

Jechiel Lichtenstadt*, Harry J. Lipkin

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

We apply a model for SU(3) breaking to the analysis of the spin contents of the nucleon from the the latest data on first moments of the spin dependent structure functions and include higher order QCD corrections. The results show that the value of the total quark spin contribution to the nucleon spin ΔΣ ≡ Δu + Δd + Δs remains about 0.3 and is very insensitive to SU(3) breaking, while the result for the strange quark contribution varies considerably with SU(3) breaking.

Original languageEnglish
Pages (from-to)119-122
Number of pages4
JournalPhysics Letters B
Volume353
Issue number1
DOIs
StatePublished - 22 Jun 1995

Funding

FundersFunder number
Israel Science Foundation of the Israeli Academy of SciencesI-0304-120-07/93
German-Israeli Foundation for Scientific Research and Development

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