Abstract
The newly observed $\Sigma_b(6097)$ provides us a good chance to further construct the high excited states of the bottom baryon family. In this work, we explain the $\Sigma_b(6097)$ to be a $1P$ state with $J^P=5/2^-$ or $3/2^-$ by giving the mass spectrum analysis and the strong decay calculation, and predict the existence of $1P$ and $2S$ partners of the $\Sigma_b(6097)$, where their masses and the corresponding decay behaviors are presented. Because of the success of describing the $\Sigma_b(6097)$ and the former observed $\Xi_b(6227)$ under the quasi-two-body treatment to the bottom baryons, we continue to predict the $\Omega_b$ partners of $\Sigma_b(6097)$ by the same method, which are the $1P$ and $2S$ states of the $bss$ baryon system. Identifying these predicted bottom baryons will be a research topic full of challenge and opportunity for future experiments especially the LHCb.
Highlights
To accumulate the information of the hadron spectrum will help us to deepen the understanding of nonperturbative quantum chromodynamics (QCD)
We predict the existence of three 2S bqq baryon states, which have the typical strong decay properties as listed in Table II, Our result indicates that the 2S state, Λbð6086Þ, has two dominant decay channels of Σbð5815Þπ and ΣÃbð5835Þπ
We realize that the Σbð6097Þ can be the second scaling point when constructing the whole excited bottom baryon family
Summary
To accumulate the information of the hadron spectrum will help us to deepen the understanding of nonperturbative quantum chromodynamics (QCD). Two evidences leads us to ask whether the Σbð6097Þ state is the nonstrange partner of Ξbð6227Þ or not To answer this question, we adopt the same parameters given in our former work [2] as input and calculate the masses of excited nonstrange bottom baryons, i.e., Λb and. As the first excited bottom baryon state that was observed in the OZI-allowed decay channels, the observation of Ξbð6227Þ can shed some light on the information of the mass spectra of the P-wave bottom baryons, and provide some important clues for studying their decay properties. We decode the newly reported Σbð6097Þ as a P-wave state in Sec. II, where the analysis of the mass spectrum and the investigation of strong decay can provide direct support to this scenario.
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