Finding Interaction Mechanism between Exotic Molecule and Conventional Hadron

Abstract

An intriguing and important question arises: how do hadronic molecules interact with conventional hadrons? In this work, we propose a novel mechanism to address this issue, focusing on the interactions between hidden-charm molecular pentaquarks ($P_c$) and nucleons ($N$). By applying this mechanism, we derive the corresponding interaction potentials, enabling the prediction of the bound state properties. Our results indicate the possible existence of $P_{c}N$ bound states-an entirely new form of matter, ripe for exploration in the era of high-precision hadron spectroscopy. Notably, this mechanism extends beyond the $P_{c}N$ systems and can be applied to any hadronic molecules interacting with conventional hadrons, offering the potential for discovering a variety of novel bound states.

9 pages, 5 figures and 2 table. More discussions added. Accepted by Phys. Lett. B

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Cited by in corpus (2)

• Molecular pentaquarks composed of a ground-state octet baryon and a $P-$wave anticharmed meson
• Medium modifications of $1P$-wave charmonia ${\chi }_{cJ}(1P)$ in cold nuclear matter