Tensor meson exchange at low energies

被引:32
作者
Ecker, G. [1 ]
Zauner, C. [1 ]
机构
[1] Univ Vienna, Fac Phys, A-1090 Vienna, Austria
来源
EUROPEAN PHYSICAL JOURNAL C | 2007年 / 52卷 / 02期
关键词
D O I
10.1140/epjc/s10052-007-0372-x
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
We complete the analysis of meson resonance contributions to chiral low-energy constants of O(p(4)) by including all quark-antiquark bound states with orbital angular momentum <= 1. Different tensor meson Lagrangians used in previous work are shown to produce the same final results for the low-energy constants, once QCD short-distance constraints are properly implemented. We also discuss the possible relevance of axial-vector mesons with odd C-parity (J(PC)=1(+-)).
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页码:315 / 323
页数:9
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