Structure of the Ω⁻ (2012) with Hamiltonian effective field theory
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(Published version)
Date
2025
Authors
Han, F.-C.
Liu, Z.-W.
Leinweber, D.B.
Thomas, A.W.
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Journal article
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Physical Review D, 2025; 112(5):L051503-1-L051503-8
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Fang-Chao Han, Zhan-Wei Liu, Derek B. Leinweber, and Anthony W. Thomas
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Abstract
We investigate the internal structure of the Ωð2012Þ− by analyzing lattice QCD simulation and experimental data within Hamiltonian effective field theory, considering both JP ¼ 1=2− and 3=2− assignments. The couplings to the dominant decay channel ΞK¯ and the near-threshold channel Ξð1530Þ K¯ are determined through the quark-pair-creation model. By studying the lattice QCD spectra in these two spin-parity scenarios, we extract the masses and widths of the resonances. We notice that the JP ¼ 3=2− resonance is consistent with the observed Ωð2012Þ− while the recently reported Ωð2109Þ− may be a JP ¼ 1=2− Ω.
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Dissertation Note
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Published 29 September 2025
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Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.