论文标题
弱$ b $,$ b_s $和$ b_c $衰减到径向激动的状态
The weak $B$, $B_s$ and $B_c$ decays to radially excited states
论文作者
论文摘要
最近,发现了许多重型介子的新激发状态,尤其是径向激发的状态。从地面B味的介子中对这些状态的生产过程的研究引起了人们的关注。在本文中,我们使用改进的Bethe-Salpeter方法来研究$ B $,$ B_S $和$ B_C $ MESONS的半左右和非副本衰减,最终州将重点放在Radial兴奋的$ 2S $和$ 3S $州。我们发现,许多频道的分支比率高达$ 10^{ - 4} $,它们在当前实验的检测准确性范围内。
Recently, many new excited states of heavy mesons, especially the radially excited states, are discovered. The study of the production processes of these states from the ground b-flavored mesons is of interest. In this paper, we use the improved Bethe-Salpeter method to study the semi-leptonic and non-leptonic decays of $B$, $B_s$, and $B_c$ mesons, where the final states are focused on the radial excited $2S$ and $3S$ states. We find that many channels have branching ratios up to $10^{-4}$, which are within the detection accuracy of current experiments.