Measurements of Strong-Interaction Effects in Kaonic-Helium Isotopes at Sub-eV Precision with X-Ray Microcalorimeters
Measurements of Strong-Interaction Effects in Kaonic-Helium Isotopes at Sub-eV Precision with X-Ray Microcalorimeters
复制标题
使用 X 射线微量热计以亚 eV 精度测量 Kaonic-氦同位素中的强相互作用效应
DOI：
10.1103/physrevlett.128.112503
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发表时间：
2022
影响因子：
8.6
通讯作者：
Hashimoto T. et al.
中科院分区：
文献类型：
--
作者：
Kimura Mariko;Isogai Keisuke;Kato Taichi ... Oasa Yumiko et al.;Wong Kenneth C.;Hashimoto T. et al.
我们使用能量分辨率优于 6 eV (FWHM) 的超导跃迁边缘传感器微热量计测量了高强原子的跃迁 X 射线。我们分别确定了 kaonicand 的能量和宽度。这些值比以前的测量精确度近 10 倍。我们的结果排除了耦合通道方法所建议的大的强相互作用位移和宽度，并且与基于光势模型的计算一致。
We have measured thetransition x rays of kaonicandatoms using superconducting transition-edge-sensor microcalorimeters with an energy resolution better than 6 eV (FWHM). We determined the energies to beand, and widths to beand, for kaonicand, respectively. These values are nearly 10 times more precise than in previous measurements. Our results exclude the large strong-interaction shifts and widths that are suggested by a coupled-channel approach and agree with calculations based on optical-potential models.