Possible molecular states from interactions of charmed strange baryons

In this study,we investigate possible molecular states composed of two charmed strange baryons from theΞ_(c)^((′,∗))Ξ_(c)^((′,∗))interaction and their hidden-charm hidden-strange partners from theΞ_(c)^((′,∗))Ξ¯_(c)^((′,∗))interaction.With the aid of heavy quark chiral effective Lagrangians,the interactions of charmed strange baryons are described with light meson exchanges.The potential kernels are constructed and inserted into the quasipotential Bethe–Salpeter equation.The bound states are produced from most interactions considered,which suggests that strong attractions exist widely between the charmed strange baryons.Experimental search for these types of molecular states is suggested in future high-precision measurements.

Strong decays of the low-lying bottom strange baryons

In this work,the strong decay behaviors of theλ-mode low-lyingΞ_(b) andΞ^(’)_(b) baryons are investigated within the 3 P0 model.Our results suggest that all of the low-lying 3F statesΞ_(b)(2 S),Ξ_(b)(1 P),andΞ_(b)(1 D)have small decay widths of less than 20 MeV,and these states have good potentials to be observed in theΞ^(’)_(b)πandΞ^(’)_(b)^(*)πinvariant masses.Further,most of the 6F multiplets are relatively narrow and may decay into theΞ_(b)π,Ξ^(’)_(b)π,Ξ^(’)_(b)^(^(*))π,andΔbK final states.Considering the masses and strong decay behaviors,we can assign the newly observedΞ_(b)(6100)resonance as theΞ_(b)(1 P)state with J^(P)=3/2-and interpret theΞ_(b)(6227)structure as the J^(P)=3/2-Ξ^(’)_(b)(1 P)state with a proper mixing angle.We expect that our predictions for these excited bottom strange baryons will provide helpful information for future experimental research.

Spectroscopic investigation of light strange S=−1Λ and Σ and S=−2Ξbaryons

The present study is dedicated to light-strange∧with strangeness S=−1 and isospin I=0,with S=−1 and I=1,andΞbaryon with S=−2 andI=1/2.In this study,the hypercentral constituent quark model with linear confining potential has been employed along with a first order correction term to obtain the resonance masses up to approximately 4 GeV.The calculated states include 1S-5S,1P-4P,1D-3D,1F-2F,and 1G(in a few cases)along with all possible spin-parity assignments.Regge trajectories have been explored for the linearity of the calculated masses for(n,M^(2))and(J,M^(2)).Magnetic moments have been intensively studied for ground state spin 1/2 and,3/2 in addition to the configuration mixing of the first negative parity state for.Lastly,the transition magnetic moments and radiative decay widths have been presented.

Spectroscopic study of strangeness=-3Ω^(-)baryon

Ω^(-)baryon with sss quarks has been investigated through many theoretical studies so far but scarcely observed in experiments.Here,an attempt has been made to explore properties of Ω with hypercentral Constituent Quark Model(hCQM)with a linear confining term.The resonance mass spectra have been obtained for 1S-4S,1P-4P,1D-3D,and IF-2F.The Regge trajectory has been investigated for the linear nature based on calculated data along with the magnetic moment.The present work has been compared with various approaches and known experimental findings.