Coherent study of χc0,2 → VV, PP and SS -: art. no. 074001

被引：32

作者：

Zhao, Q ^{[1
]}

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Beijing 100049, Peoples R China

[2] Univ Surrey, Dept Phys, Guildford GU2 7XH, Surrey, England

来源：

PHYSICAL REVIEW D | 2005年 / 72卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.72.074001

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We investigate the decays of chi(c0,2) into vector meson pairs (VV), pseudoscalar pairs (PP), and scalar pairs (SS) in a general factorization scheme. The purpose is to clarify the role played by the OZI-rule violations and SU(3) flavour breakings in the decay transitions, and their correlations with the final-state meson wavefunctions. For chi(c0,2)-> VV and PP, we obtain an overall self-contained description of the experimental data. Applying this factorization to chi(c0)-> f(0)(i)f(0)(j), where i,j=1,2,3 denotes f(0)(1710), f(0)(1500) and f(0)(1370), respectively, we find that specific patterns will arise from the model predictions for the decay branching ratio magnitudes, and useful information about the structure of those three scalars can be abstracted.

引用

页数：6

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