K*(892)电磁质量反常(英文)
doi: 10.11804/NuclPhysRev.18.04.249
K*(892) Electromagnetic Mass Anomaly
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摘要: 电中性的 K* (892 )电磁质量可以大于带电荷的 K* (892 ) .这是异乎寻常的现象 ,将被称为K* -电磁质量反常 .评述了这个课题 ,并指出 K* 的质量劈裂可以在北京谱仪 (BES)上作精密测量. Electromagnetic masses of neutral K *(892) may be larger than one of charged K *(892). It is unusual and is called K *-EM-mass anomaly. We review the studies on this issue, and point out that K *-mass splitting can be measured in BES accurately.Abstract: Electromagnetic masses of neutral K *(892) may be larger than one of charged K *(892). It is unusual and is called K *-EM-mass anomaly. We review the studies on this issue, and point out that K *-mass splitting can be measured in BES accurately.
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Key words:
- electromagnetic mass splitting /
- BES experiment /
- meson resonance
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