Spin contents of nucleons with SU(3) breaking

Jechiel Lichtenstadt; Harry J. Lipkin

doi:10.1016/0370-2693(95)00531-O

Spin contents of nucleons with SU(3) breaking

Jechiel Lichtenstadt^*, Harry J. Lipkin

^*Corresponding author for this work

School of Physics and Astronomy

Research output: Contribution to journal › Article › peer-review

55 Scopus citations

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 language	English
Pages (from-to)	119-122
Number of pages	4
Journal	Physics Letters B
Volume	353
Issue number	1
DOIs	https://doi.org/10.1016/0370-2693(95)00531-O
State	Published - 22 Jun 1995

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title = "Spin contents of nucleons with SU(3) breaking",

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.",

author = "Jechiel Lichtenstadt and Lipkin, {Harry J.}",

note = "Funding Information: 1 Supported by The Israel Science Foundation of the Israeli Academy of Sciences. *Supported in part by grant No. I-0304-120-07/93 from The German-Israeli Foundation for Scientific Research and Development.",

year = "1995",

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AU - Lichtenstadt, Jechiel

AU - Lipkin, Harry J.

N1 - Funding Information: 1 Supported by The Israel Science Foundation of the Israeli Academy of Sciences. *Supported in part by grant No. I-0304-120-07/93 from The German-Israeli Foundation for Scientific Research and Development.

PY - 1995/6/22

Y1 - 1995/6/22

N2 - 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.

AB - 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.

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VL - 353

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Spin contents of nucleons with SU(3) breaking

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