THE QCD TRIANGULAR AXIAL ANOMALY AND THE CALCULATION OF MASS OF THE ETA' MESON AND ETA-]3-PI DECAY

被引：0
|
作者：
RIAZUDDIN
MARSHAK, RE
机构：
[1] KING FAHD UNIV PETR & MINERALS, DEPT PHYS, DHAHRAN 31261, SAUDI ARABIA
[2] VIRGINIA POLYTECH INST & STATE UNIV, DEPT PHYS, BLACKSBURG, VA 24061 USA
来源：
PROGRESS OF THEORETICAL PHYSICS | 1994年 / 91卷 / 01期
关键词：
D O I：
10.1143/ptp/91.1.151
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
It is shown that the physical effects arising from the global QCD anomaly in the divergence of the flavor-singlet axial vector current are essential to yield the correct phenomenological features of pi --> 3 pi decay and good agreement for the eta' meson mass. These results confirm the usefulness of the instanton-induced global QCD anomaly on a par with the global QED anomaly in pi(0) --> 2 gamma decay.
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页码：151 / 159
页数：9
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