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Pion mean fields and heavy baryons

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arxiv 1607.07089 v2 pith:X2I2AMBF submitted 2016-07-24 hep-ph hep-exhep-lat

Ghil-Seok Yang , Hyun-Chul Kim , Maxim V. Polyakov , Micha{l} Prasza{l}owicz This is my paper · ORCID
classification hep-phhep-exhep-lat
keywords heavybaryonbaryonsmeanpionapproachfieldlight
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abstract

We show that the masses of the lowest-lying heavy baryons can be very well described in a pion mean-field approach. We consider a heavy baryon as a system consisting of the $N_c-1$ light quarks that induce the pion mean field, and a heavy quark as a static color source under the influence of this mean field. In this approach we derive a number of \textit{model-independent} relations and calculate the heavy baryon masses using those of the lowest-lying light baryons as input. The results are in remarkable agreement with the experimental data. In addition, the mass of the $\Omega_b^*$ baryon is predicted.

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Cited by 4 Pith papers

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  4. Odyssey of the elusive $\Theta^+$

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