Very recently, a new Ω∗ state was reported by the Belle Collaboration, with its mass of 2012.4±0.7(stat)±0.6(syst)MeV, which locates just below the KΞ∗ threshold and hence hints to be a possible KΞ∗ hadronic molecule. Using the effective Lagrangian approach as the same as our previous works for other possible hadronic molecular states, we investigate the decay behavior of this new Ω∗ state within the hadronic molecular picture. The results show that the measured decay width can be reproduced well and its dominant decay channel is predicted to be the KπΞ three-body decay. This suggests that the newly observed Ω∗ may be ascribed as the JP=3/2−KΞ∗ hadronic molecular state and can be further checked through its KπΞ decay channel.
@article{arxiv.1807.00997,
title = {Hadronic molecular assignment for the newly observed $\Omega^*$ state},
author = {Yong-Hui Lin and Bing-Song Zou},
journal= {arXiv preprint arXiv:1807.00997},
year = {2018}
}