Interpretation of the observed $\Lambda_b(6146)^0$ and $\Lambda_b(6152)^0$ states as 1$D$ bottom baryons

27 Nov 2019 Chen Bing Luo Si-Qiang Liu Xiang Matsuki Takayuki

The measured masses and strong decays of $\Lambda_b(6146)^0$ and $\Lambda_b(6152)^0$ required us to decode them as the 1$D$ excited states with $J^P=3/2^+$ and $J^P=5/2^+$, respectively. Under the suggested assignment, the masses and total decay widths of $\Lambda_b(6146)^0$ and $\Lambda_b(6152)^0$ can be explained... (read more)

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  • HIGH ENERGY PHYSICS - PHENOMENOLOGY