Regarding the enigmas of P-wave meson spectroscopy

被引：85

作者：

Burakovsky, L ^{[1
]}

Goldman, T ^{[1
]}

机构：

[1] Univ Calif Los Alamos Natl Lab, Div Theoret, Los Alamos, NM 87545 USA

来源：

PHYSICAL REVIEW D | 1998年 / 57卷 / 05期

关键词：

D O I：

10.1103/PhysRevD.57.2879

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The mass spectrum of P-wave mesons is considered in a nonrelativistic constituent quark model. The results show the common mass degeneracy of the isovector and isodoublet states of the scalar and tensor meson nonets, m(a(0))congruent to m(a(2)), m(K-0*)congruent to m(K-2*), and do not exclude the possibility of a similar degeneracy of the same states of the axial-vector and pseudovector nonets. Current experimental hadronic and tau-decay data suggest, however, a different scenario leading to the a(1) meson mass similar or equal to 1190 MeV and the K-1A-K-1B mixing angle = (37 +/- 3)degrees. Possible s (s) over bar states of the foul nonets are also discussed.

引用

页码：2879 / 2888

页数：10

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