GSI-SIS的η '核束缚态光谱
Spectroscopy of eta'-nucleus bound states at GSI-SIS
摘要:
由于手征对称性的部分恢复,η '介子质量可能降低.如果是这种情况,那么η '-核系统可以形成核束缚态。我们计划在GSI-SIS进行12 C(p,d)反应的缺失质谱。如果衰变宽度足够窄,即使在包容性测量中也可以观察到对应于这种束缚态的峰结构。
英文摘要:
The eta' meson mass may be reduced due to partial restoration of chiral symmetry. If this is the case, an eta'-nucleus system may form a nuclear bound state. We plan to carry out a missing-mass spectroscopy with the 12C(p,d) reaction at GSI-SIS. Peak structures corresponding to such a bound state may be observed even in an inclusive measurement, if the decay width is narrow enough.
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