通过$^{136}$ Ba($p,t$)反应研究$^{134}$ Ba中的对关联$0^+$态
Investigation of pair-correlated $0^+$ states in $^{134}$Ba via the $^{136}$Ba($p,t$) reaction
摘要:
利用$^{136}$ Ba($p,t$)双中子转移反应对$^{134}$ Ba中的$0^{+}$态进行了高分辨研究。我们的实验表明,在$^{134}$ Ba中,$L = 0$对转移强度的显著部分集中在激发的$0^+$水平。简要讨论了$^{136}$-$\to$ $^{136}$ Ba无中微子双β衰变矩阵元计算的潜在意义。
英文摘要:
We performed a high resolution study of $0^{+}$ states in $^{134}$Ba using the $^{136}$Ba($p,t$) two-neutron transfer reaction. Our experiment shows a significant portion of the $L = 0$ pair-transfer strength concentrated at excited $0^+$ levels in $^{134}$Ba. Potential implications in the context of $^{136}$Xe $\to$ $^{136}$Ba neutrinoless double beta decay matrix element calculations are briefly discussed.
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