通过对$^6$ He（$p$，$p'$）的分析研究$^6$ He中$2_2^+$共振的贡献
Investigation of contributions of the $2_2^+$ resonance in $^6$He via analysis of $^6$He($p$, $p'$)
摘要：
通过对$^6$ He（$p,p'$）反应的分析，采用连续离散耦合通道方法结合复标度方法，研究了$^6$ He中的$2^{+}_{2}$共振对观测量的贡献.在本研究中，我们得到了共振能量为2.25 MeV，衰变宽度为3.75 MeV的$2^{+}_{2}$态，并分别分析了共振和非共振连续态对截面的贡献。发现$2^{+}_{2}$态在能谱中起着重要的作用。此外，非共振连续态的贡献也是重要的澄清的$2^{+}_{2}$状态的属性。
英文摘要：
We investigate the contribution of the $2^{+}_{2}$ resonance in $^6$He to observables via analysis of the $^6$He($p,p'$) reaction by using the continuum-discretized coupled channels method combined with the complex-scaling method. In this study, we obtain the $2^{+}_{2}$ state with the resonant energy 2.25 MeV and the decay width 3.75 MeV and analyse contributions of resonances and nonresonant continuum states to the cross section separately. It is found that the $2^{+}_{2}$ state plays an important role in the energy spectrum. Furthermore, contributions of nonresonant continuum states are also important to clarify the properties of the $2^{+}_{2}$ state.
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