论文标题
在$ \ bar {b}^0 \ to d^{（*）+} k^ - k^ - k^{（*）0} $ Reactions中寻找异国情调的$ x_0（2866）$及其$ j^p = 1^+$合作
Looking for the exotic $X_0(2866)$ and its $J^P=1^+$ partner in the $\bar{B}^0 \to D^{(*)+} K^- K^{(*)0} $ reactions
论文作者
论文摘要
我们提出了两种反应，$ \ bar {b}^0 \至k^0 d^{+} k^ - $和$ \ bar {b}^0 \ to k^{*0} d^{*+} k^ - $，已经在Belle中测量了$ j^p = 0^p = 0^p = 0^+$ x _ $，$ x_0（$ x_0（28666666666666666666666666666666666666666666666666666） $ d^*\ bar {k}^*$ nature，分别查看$ d^+ k^ - $和$ d^{*+} k^ - $不变质量分布。预测在背景上非常明显的峰值，并评估了这些状态的生产的分支比率，以促进确定其观察所需统计数据的任务。 $ k^{*0} k^ - $从不同反应事件的积累中分配的质量分布已经可用，这表明一个人距离拥有所需的统计信息不远，以查看$ d^{（*）+} k^ - $质量分布中的峰值，到目前为止尚未进行分析。
We propose two reactions, $\bar{B}^0 \to K^0 D^{+} K^-$ and $\bar{B}^0 \to K^{*0} D^{*+} K^-$, already measured at Belle, to look into the $J^P=0^+$, $X_0(2866)$ state and a $1^+$ partner of molecular $D^*\bar{K}^*$ nature, by looking at the $D^+ K^-$ and $D^{*+} K^-$ invariant mass distributions, respectively. Very clear peaks over the background are predicted and the branching ratios for the production of these states are evaluated to facilitate the task of determining the needed statistics for their observation. The fact that the $K^{*0} K^-$ mass distribution from accumulation of events of different reactions is already available, indicates that one is not far away from having the needed statistics to see peaks in the $D^{(*)+} K^-$ mass distributions, so far not yet analyzed.
