Possible large phase in ψ(2S)→1-0- decays -: art. no. 057502

被引：31

作者：

Wang, P ^{[1
]}

Yuan, CZ

Mo, XH

机构：

[1] Chinese Acad Sci, Inst High Energy Phys, Beijing 100039, Peoples R China

[2] China Ctr Adv Sci & Technol, World Lab, Beijing 100080, Peoples R China

来源：

PHYSICAL REVIEW D | 2004年 / 69卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.69.057502

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The strong and electromagnetic amplitudes are analyzed on the basis of the measurements of J/psi,psi(2S)-->1(-)0(-) in e(+)e(-) experiments. The currently available experimental information is revised with the inclusion of the contribution from e(+)e(-)-->gamma(*)-->1(-)0(-). The study shows that a large phase around -90degrees between the strong and electromagnetic amplitudes could not be ruled out by the experimental data for psi(2S).

引用

页数：4

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