$Λ_{c}^{+}$、$Σ_{c}^{0}$、$Ξ_{c}^{0}$和$Ω_{c}^{0}$重子的质量谱和Regge轨线
Mass spectra and Regge trajectories of $Λ_{c}^{+}$, $Σ_{c}^{0}$, $Ξ_{c}^{0}$ and $Ω_{c}^{0}$ Baryons
摘要：
用超中心组分夸克模型（hCQM）计算了单粲重子（$Λ_{c}^{+}$，$Σ_{c}^{0}$，$Ξ_{c}^{0}$和$Ω_{c}^{0}$）的质量谱.用超色列加线性势计算了正宇称（直到$J^{p}=\frac{7}{2}^{+}$）和负宇称（直到$J^{p}=\frac{9}{2}^{-}$）激发态的质量。自旋自旋，自旋轨道和张量相互作用项也纳入质谱。我们将所得结果与其它理论预言和格点QCD作了比较。此外，已知的实验结果也合理地接近我们预测的质量。利用径向激发和轨道激发，构造了重子在（n，$M^{2}$）平面上的Regge轨线，并求出了它们的斜率和截距。还成功地计算了这些重子的磁矩、辐射跃迁和辐射衰变宽度等性质。
英文摘要：
We calculate the mass spectra of the singly charmed baryons ($Λ_{c}^{+}$, $Σ_{c}^{0}$, $Ξ_{c}^{0}$ and $Ω_{c}^{0}$) using Hypercentral constituent quark model(hCQM). The hyper color coloumb plus linear potential is used to calculate the masses of positive(upto $J^{p}=\frac{7}{2}^{+}$) and negative parity(upto $J^{p}=\frac{9}{2}^{-}$) excited states. The spin-spin, spin-orbital and tensor interaction terms are also incorporated for mass spectra. We have compared our results with other theoretical predictions and Lattice QCD for each baryons. Moreover, the known experimental results are also reasonably closed to our predicted masses. By using the radial and orbital excitation, we construct Regge trajectories for the baryons in (n,$M^{2}$) plane and find their slopes and intercepts. The other properties like, magnetic moments, radiative transitions and radiative decay widths of these baryons are also calculated successfully.
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