Mixing of eta-eta' mesons in J/Psi decays into a vector and a pseudoscalar meson

被引：81

作者：

Bramon, A

Escribano, R

Scadron, MD

机构：

[1] UNIV AUTONOMA BARCELONA,INST FIS ALTED ENERGIES,E-08193 BELLATERRA,SPAIN

[2] UNIV ARIZONA,DEPT PHYS,TUCSON,AZ 85721

来源：

PHYSICS LETTERS B | 1997年 / 403卷 / 3-4期

关键词：

D O I：

10.1016/S0370-2693(97)00508-X

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The octet-singlet mixing angle theta(p) in the pseudoscalar meson nonet is deduced from the rich set of accurate data on J/Psi decays into a vector and a pseudoscalar meson. Corrections due to non-ideal omega-phi mixing have been included for the first time and turn out to be crucial to find theta(p) = -16.9 degrees +/- 1.7 degrees, which is appreciably less negative than previous results coming from similar analyses. (C) 1997 Elsevier Science B.V.

引用

页码：339 / 343

页数：5

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