The Origin and Universality of Spin Suppression in Baryon Production

XIE Qu-Bing

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2024年10月30日

Chinese Physics C> 1992, Vol. 16> Issue(1) : 22-28

The Origin and Universality of Spin Suppression in Baryon Production

XIE Qu-Bing ^,

Department of Physics,Shandong University,Jinan 250100

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Abstract：
In high energy reactions the production of Spin 3/2 baryons is strongly suppressed in comparison with that of 1/2 baryons.We show that it results from the flavor conservation,so that the strangeness suppression factor λ=/ completely determines the ratio of decuplet to octet,and β=(1+λ)/(3+2λ).The universality of this relation is emphasized.

References

[1]

A. Rescher, Proc. of the XXIV Inter. Conf. on High Energy Phys. Munich, West Germany,1988, edited by R. Kotthaus and J. Kuhn (Springer, Berlin, 1988).[2] W. Hofmann, Annu, Rev. NUcl. Part. Sci., 38 (1988), 279.[3] ARGUS Collaboration, H.. Albrecht et al, Z. PHys., C43 (1989), 45.[4] Liaag Zuo-tang and Xie Qu-biag, PHys. ReV., D43 (1991), 751.[5] 陈邻生、谢去病，中国科学，A33 (1990), 377.或英文版A33 (1990), 751.[6] W. Kittel, Nijmegea 'Prepriat HEN 336/90或A. Wroblewski,“ Soft Hadronic Physics," Proc.of the XXV Int. Conf. on High Energy Physics, Singapore 1990，即将出版.[7] Particle Data Group, Phys. Lett., B239 (1990).[8] 谢去病等:“奇异抑制因子的能最依赖，”尚未发表.[9] ARGUS Collaboration, H. Albrecht et al, Z. Phys., C39 (1988), 177.[10] UA5 Collaboration, B. A. Aasorge et al, C ERN Preprint CERN-EP/89-41.[11]Tasso Collaboration, W. Brauaschweig et al, Z. Phys., C45 (1989), 209.

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XIE Qu-Bing. The Origin and Universality of Spin Suppression in Baryon Production[J]. Chinese Physics C, 1992, 16(1): 22-28.

XIE Qu-Bing. The Origin and Universality of Spin Suppression in Baryon Production[J]. Chinese Physics C, 1992, 16(1): 22-28. shu

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Received: 1900-01-01
Revised: 1900-01-01

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The Origin and Universality of Spin Suppression in Baryon Production

XIE Qu-Bing ^,

Corresponding author: XIE Qu-Bing,

Department of Physics,Shandong University,Jinan 250100

Received Date: 1900-01-01
Accepted Date: 1900-01-01
Available Online: 1992-01-05

Abstract: In high energy reactions the production of Spin 3/2 baryons is strongly suppressed in comparison with that of 1/2 baryons.We show that it results from the flavor conservation,so that the strangeness suppression factor λ=/ completely determines the ratio of decuplet to octet,and β=(1+λ)/(3+2λ).The universality of this relation is emphasized.