Spectroscopic properties of $1F$-wave singly bottom baryons
Zi-Le Zhang, Si-Qiang Luo
TL;DR
This work addresses the spectroscopy of unobserved $1F$-wave singly bottom baryons by predicting their mass spectra using a $nonrelativistic$ $potential$ approach solved with the Gaussian Expansion Method, and by detailing OZI-allowed two-body strong decays via the Quark Pair Creation framework. It delivers explicit mass predictions for $ ext{Lambda}_b$, $ ext{Xi}_b$, $ ext{Sigma}_b$, $ ext{Xi}'_b$, and $ ext{Omega}_b$ $1F$ states, together with comprehensive decay widths and dominant channels, highlighting heavy-quark-symmetry selections and partial-wave suppression patterns. The results identify several relatively narrow states and key decay channels (e.g., $ ext{N}ar{B}$ and $ ext{N}ar{B}^*$ for $ ext{Lambda}_b(1F)$; $ ext{Sigma}ar{B}$ and $ ext{Lambda}_b(1D)ar{K}$ for $ ext{Xi}'_b(1F)$; $ ext{Xi}ar{B}$ and $ ext{Xi}ar{B}^*$ for $ ext{Omega}_b(1F)$) that should facilitate experimental discovery and quantum-number assignments. Overall, the work provides a detailed map of where and how to look for these states in current high-energy experiments, contributing to a fuller understanding of singly heavy baryon spectroscopy.
Abstract
This study investigates the mass spectra and decay behaviors of the experimentally unobserved $1F$-wave singly bottom baryons. Calculating their mass spectra could provide crucial guidance for determining their spectroscopic positions. Additionally, by analyzing their decay properties, we could predict the important decay channels, which are essential for experimental searches and quantum number assignments. Our calculations aim to support ongoing experimental and theoretical efforts in singly bottom baryon spectroscopy.