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arXiv · 2308.06760

Diquarks and the production of charmed baryons

Hyeongock Yun·Sungsik Noh·Sanghoon Lim·Taesoo Song·Juhee Hong·Aaron Park·Su Houng Lee·Benjamin Dönigus
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Abstract

Utilizing a quark model characterized by parameters that effectively replicate the masses of ground state hadrons, we illustrate that $(us)$ or $(ds)$ diquarks exhibit greater compactness in comparison to $(ud)$ diquarks. Concretely, the binding energy of the $(us)$ diquark - defined as the diquark's mass minus the combined masses of its individual quarks - is found to be stronger than that of the $(ud)$ diquark. This heightened attraction present in $(us)$ diquarks could lead to enhanced production of $\Xi_c/D$ particles in high-energy pp or ultrarelativistic heavy-ion collisions.

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Hyeongock Yun, Sungsik Noh, Sanghoon Lim, Taesoo Song, Juhee Hong, Aaron Park, Su Houng Lee, Benjamin Dönigus. 2023-08-13. Diquarks and the production of charmed baryons. https://arxiv.org/abs/2308.06760

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