Mass spectra and Regge trajectories of &Lambda;c+, &Sigma;c0, &Xi;c0 and &Omega;c0 baryons

Zalak Shah; Kaushal Thakkar; Ajay Kumar Rai; P. C. Vinodkumar

doi:10.1088/1674-1137/40/12/123102

Chinese Physics C> 2016, Vol. 40> Issue(12) : 123102 DOI: 10.1088/1674-1137/40/12/123102

Mass spectra and Regge trajectories of Λ_c⁺, Σ_c⁰, Ξ_c⁰ and Ω_c⁰ baryons

1.
Department of Applied Physics, Sardar Vallabhbhai National Institute of Technology, Surat, Gujarat 395007, India
2.
Department of Applied Sciences &
3.
Department of physics, Sardar Patel University, V. V. Nagar, Anand 388120, India

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Abstract：
We calculate the mass spectra of the singly charmed baryons (Λ_c⁺, Σ_c⁰, Ξ_c⁰ and Ω_c⁰) using the hypercentral constituent quark model (hCQM). The hyper color Coulomb plus linear potential is used to calculate the masses of positive (up to J^p=(7⁺)/(2)) and negative (up to J^p=(9^-)/(2)) parity 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 and lattice QCD predictions for each baryon. Moreover, the known experimental results are also reasonably close to our predicted masses. By using the radial and orbital excitation, we construct Regge trajectories for the baryons in the (n,M²) plane and find their slopes and intercepts. Other properties of these baryons, like magnetic moments, radiative transitions and radiative decay widths, are also calculated successfully.
- baryons ,
- potential model ,
- Regge trajectories

References

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Zalak Shah, Kaushal Thakkar, Ajay Kumar Rai and P. C. Vinodkumar. Mass spectra and Regge trajectories of Λ_c⁺, Σ_c⁰, Ξ_c⁰ and Ω_c⁰ baryons[J]. Chinese Physics C, 2016, 40(12): 123102. doi: 10.1088/1674-1137/40/12/123102

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Received: 2016-08-06

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Supported in part (A. K. Rai) by DST, India (SERB Fast Track Scheme SR/FTP/PS-152/2012)

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沈阳化工大学材料科学与工程学院沈阳 110142

Mass spectra and Regge trajectories of Λ_c⁺, Σ_c⁰, Ξ_c⁰ and Ω_c⁰ baryons

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Mass spectra and Regge trajectories of Λ_c⁺, Σ_c⁰, Ξ_c⁰ and Ω_c⁰ baryons

Corresponding author: Ajay Kumar Rai, raiajayk@gmail.com

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