$\Omega d$ bound state

TL;DR

This paper predicts a new bound state called Omega deuteron formed by Omega and nucleon interactions, supported by lattice QCD data, with a binding energy of about 17 MeV, expanding understanding of exotic nuclear states.

Contribution

It introduces the prediction of a novel Omega deuteron bound state based on lattice QCD analyses, combining Omega N and NN channels.

Findings

Predicted Omega deuteron bound state with ~17 MeV binding energy.

Supports existence of exotic nuclear states involving strange baryons.

Utilizes lattice QCD data to inform nuclear bound state predictions.

Abstract

The lattice QCD analyses of the HAL QCD Collaboration predicts a strongly attractive potential in the $\Omega N$ $^5S_2$ channel which supports a bound state. In this paper we show that this $\Omega N$ channel together with the $NN$ $^3S_1$ channel give rise to a $\Omega d$ bound state in the state with maximal spin $(I,J^P)=(0,5/2^+)$ with a binding energy of $\sim$ 17 MeV.