xi(2220) reexamined: Strong decays of the 1 F-3(2) and 1 F-3(4) s(s)over-bar mesons

被引：140

作者：

Blundell, HG

Godfrey, S

机构：

[1] Ottawa-Carleton Institute for Physics, Department of Physics, Carleton University, Ottawa

来源：

PHYSICAL REVIEW D | 1996年 / 53卷 / 07期

关键词：

D O I：

10.1103/PhysRevD.53.3700

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We calculate the decay widths of the 1 F-3(2) and 1 F-3(4) <s(s)over bar> mesons and compare them to the measured properties of the xi(2220) [now known as the f(4)(2220)]. Including previously neglected decay modes we find that the width of the F-3(2) state <s(s)over bar> meson is much larger than previously believed, making this explanation unlikely. On the other hand the predicted width of the F-3(4) state, although broader than the observed width, is consistent within the uncertainties of the model. This interpretation predicts large partial widths to KK*(892) and K*(892)K*(892) final states which should be looked for. A second possibility that would account for the different properties of the xi(2220) seen in different experiments is that two hadronic states exist at this mass. The first would be a broader F-3(4) <s(s)over bar> State which is seen in hadron beam experiments while the second would be a narrow state with high glue content seen in the gluon rich J/psi, radiative decay. Further experimental results are needed to sort this out.

引用

页码：3700 / 3711

页数：12

共 40 条

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