Exotic nuclei with open heavy flavor mesons

TL;DR

This paper explores the theoretical possibility of stable exotic nuclei formed with heavy flavor mesons like $ar{D}$ and $B$, analyzing their binding energies and potential existence based on heavy quark symmetry.

Contribution

It introduces the concept of stable exotic nuclei with open heavy flavor mesons and discusses their binding energies and stability, considering heavy quark symmetry effects.

Findings

Binding energies of 1.4 MeV and 9.4 MeV for specific states.

Potential stability of $ar{D}N$ and $BN$ bound states.

Possible existence of $ar{D}NN$ and $BNN$ exotic nuclei.

Abstract

We propose stable exotic nuclei bound with $\bar{D}$ and $B$ mesons with respecting heavy quark symmetry. We indicate that an approximate degeneracy of $\bar{D}$($B$) and $\bar{D}^{*}$($B^{*}$) mesons plays an important role, and discuss the stability of $\bar{D}N$ and $BN$ bound states. We find the binding energies 1.4 MeV and 9.4 MeV for each state in the $J^{P}=1/2^{-}$ with I=0 channel. We discuss also possible existence of exotic nuclei $\bar{D}NN$ and $BNN$.