ON THE 2S MESON NONETS

被引：0

作者：

PEASLEE, DC

机构：

[1] Department of Physics and Astronomy, University of Maryland, College Park, 20742, MD

来源：

ZEITSCHRIFT FUR PHYSIK C-PARTICLES AND FIELDS | 1992年 / 54卷 / 03期

关键词：

D O I：

10.1007/BF01559466

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

A scheme is proposed to identify the first radial excitations of the well established pseudoscalar and vector meson nonets. The states nominated all lie in the mass range m=1.2-1.5 GeV; and each finds some occurrence in experimental literature, although much confirmation is needed. Identification is aided by a simple model that depends heavily on m2 differences among the states. This model gives a good fit to the ground (1S) states; with one exception, no surprises are found on extension to 2S systems. The exception is the comparative absence till now of observed gamma-gamma-widths for the 2S pseudoscalars in the predicted range of 2-5 keV. Further investigation is desirable but faces severe difficulties with experimental statistics.

引用

页码：463 / 468

页数：6

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