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首页> 外文期刊>Physical Review C >Constraining the KN interaction from the 1S level shift of kaonic deuterium
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Constraining the KN interaction from the 1S level shift of kaonic deuterium

机译：约束Kaonic Deuterium的1S级移位的kn相互作用

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摘要

Motivated by the precise measurement of the 1S level shift of kaonic hydrogen, we perform accurate three-body calculations for the spectrum of kaonic deuterium using a realistic antikaon-nucleon (KN) interaction. In order to describe both short- and long-range behaviors of the kaonic atomic states, we solve the three-body Schroedinger equation with a superposition of a large number of correlated Gaussian basis functions covering distances up to several hundreds of fm. Transition energies between 1S, 2P, and 2S states are determined with high precision. The complex energy shift of the 1S level of kaonic deuterium is found to be △E − iΓ/2 = (670 − i 508) eV. The sensitivity of this level shift with respect to the isospin I = 1 component of the KN interaction is examined. It is pointed out that an experimental determination of the kaonic deuterium level shift within an uncertainty of 25% will provide a constraint for the I = 1 component of the KN interaction significantly stronger than that from kaonic hydrogen.
机译：通过精确测量Kaonic氢气的1S级变化，我们使用现实的抗缀 - 核（KN）相互作用来对Kaonic Deuterium的光谱进行精确的三体计算。为了描述Kaonic Atomic状态的短期和远程行为，我们解决了三体Schroedinger方程，具有大量相关的高斯基础函数的叠加，覆盖高达几百FM的距离。通过高精度确定1S，2P和2S状态之间的过渡能量。发现了1S级氘的复杂能量偏移是△e - iγ/ 2 =（670 - I 508）EV。研究了该水平变换相对于ISOSPIN I = 1个组分的敏感性被检查。结果指出，在25％的不确定性内的高速氘水平移位的实验测定将为I = 1个组分的约束而明显强于高氢氢的约束。

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  • 来源
    《Physical Review C》 |2017年第2017期|045204.1-045204.10|共10页
  • 作者

    Tsubasa Hoshino; Shota Ohnishi; Wataru Horiuchi; Tetsuo Hyodo; Wolfram Weise;

  • 作者单位

    Department of Physics Hokkaido University Sapporo 060-0810 Japan;

    Department of Physics Hokkaido University Sapporo 060-0810 Japan;

    Department of Physics Hokkaido University Sapporo 060-0810 Japan;

    Yukawa Institute for Theoretical Physics Kyoto University Kyoto 606-8502 Japan;

    Yukawa Institute for Theoretical Physics Kyoto University Kyoto 606-8502 Japan Physik-Department Technische Universitaet Muenchen 85748 Garching Germany;

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