富中子$^{10}_Λ$ Li超核中提取$Σ^-$混合几率的可行性
Feasibility of extracting a $Σ^-$ admixture probability in the neutron-rich $^{10}_Λ$Li hypernucleus
摘要：
利用扭曲波冲量近似计算，研究了在$^{10}$ B靶上通过双电荷交换（$π^-$，$K^+$）反应产生富中子$^{10}_Λ$ Li超核的过程.结果表明，在1.20 GeV/c处，由一步机制$π^-p \to K^+ Σ^-$通过由$Σ^-p \leftrightarrow Λn$耦合引起的$Σ^-$门道所计算的能谱的大小和形状可以解释最近的实验数据，并发现$^{10}_Λ$ Li中的$Σ^-$混合几率为10 $^{-1}$ %数量级.（$π^-$，$K^+$）反应提供了在富中子核中提取具有$Λ$-$Σ$耦合效应的波函数的性质的能力，以及反应机制。
英文摘要：
We examine theoretically production of the neutron-rich $^{10}_Λ$Li hypernucleus by a double-charge exchange ($π^-$, $K^+$) reaction on a $^{10}$B target with distorted-wave impulse approximation calculations. The result shows that the magnitude and shape of the calculated spectrum at 1.20 GeV/c by a one-step mechanism $π^-p \to K^+ Σ^-$ via $Σ^-$ doorways caused by a $Σ^-p \leftrightarrow Λn$ coupling can explain the recent experimental data, and the $Σ^-$ admixture probability in $^{10}_Λ$Li is found to be the order of 10$^{-1}$ %. The ($π^-$, $K^+$) reaction provides a capability of extracting properties of wave functions with $Λ$-$Σ$ coupling effects in neutron-rich nuclei, together with the reaction mechanism.
机构、总结、中文摘要均由AI分析而来，可能存在错误，请以论文正文为准。
