Strong force fields and stabilities of the nucleon and singly heavy baryon ${\Sigma }_c$

Abstract

We investigate the strong force fields and stabilities of the nucleon and the singly heavy baryon ${\Sigma }_c$ within the framework of the chiral quark-soliton model. Having constructed the pion mean fields in the presence of the $N_c-1$ level quarks self-consistently, we are able to examine the gravitational form factors of ${\Sigma }_c$. We mainly focus in the present work on the stability conditions for both the nucleon and ${\Sigma }_c$ and discuss the strong force fields and their physical implications. We also present the results for the gravitational form factors and relevant observables, emphasising the difference between the nucleon and ${\Sigma }_c$.

23 pages, 13 figures

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