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Towards the decay properties of deuteron-like state <i>d<sub>N</sub></i><sub>Ω</sub>
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| DOI | 10.1103/PHYSREVD.101.114032 | ||
| Año | 2020 | ||
| Tipo | artículo de investigación |
Citas Totales
Autores Afiliación Chile
Instituciones Chile
% Participación
Internacional
Autores
Afiliación Extranjera
Instituciones
Extranjeras
Abstract
Recent lattice QCD calculations showed that a d(N Omega) similar to the deuteron with baryon number B = 2 and with a small binding energy might exist. In this work we propose a hadronic molecular approach to study the dynamical properties of this exotic state. We employed a phenomenological Lagrangian approach to describe the coupling of the d(N Omega) to its constituents and the strong decays into conventional hadrons, d(N Omega) -> A Xi and d(N Omega) -> Sigma Xi. Predictions for the sum of the decay rates are in the range of a few hundred keV. In addition, we find that the d(N Omega) -> Sigma Xi mode is dominant, preferably searched for in a future Relativistic Heavy Ion Collider (RHIC) experiment.
| Ord. | Autor | Género | Institución - País |
|---|---|---|---|
| 1 | Xiao, Cheng-Jian | - |
CASSACA - China
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| 2 | Dong, Yu-Bing | - |
CASSACA - China
Univ Chinese Acad Sci - China |
| 3 | Gutsche, Thomas | Hombre |
UNIV TUBINGEN - Alemania
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| 4 | Lyubovitskij, V. | Hombre |
UNIV TUBINGEN - Alemania
Universidad Técnica Federico Santa María - Chile Tomsk State Univ - Rusia |
| 5 | Chen, Dian-Yong | - |
Southeast Univ - China
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| Fuente |
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| China Postdoctoral Science Foundation |
| Fundamental Research Funds for the Central Universities |
| FONDECYT (Chile) |
| NSFC |
| National Natural Science Foundation of China (NSFC) |
| Alexander von Humboldt Foundation |
| Key Research Program of Frontier Sciences, CAS |
| Carl Zeiss Foundation under project "Kepler Center fur Astround Teilchenphysik: Hochsensitive Nachweistechnik zur Erforschung des unsichtbaren Universums" |
| "Verbundprojekt-Ausbau vonALICE am LHC: Jets und partonische Struktur von Kernen" (Forderkennzeichen) |
| "Verbundprojekt-Cryogenic Rare Event Search with Superconducting Thermometers (CRESST)-XENON: Direkte Suche nach Dunkler Materie mit XENON1T/nT und CRESST-III. Teilprojekt 1" (Forderkennzeichen) |
| AgenciaNacional de Investigacion y Desarrollo (ANID) PIA/APOYO (Chile) |
| Agradecimiento |
|---|
| This work is supported, in part, by the National Natural Science Foundation of China (NSFC) under Grants No. 11947224, No. 11975245, and No. 11775050, by the fund provided to the Sino-German CRC 110 "Symmetries and the Emergence of Structure in QCD" project by the NSFC under Grant No. 11621131001, by the Key Research Program of Frontier Sciences, CAS, Grant No. Y7292610K1, by the Fundamental Research Funds for the Central Universities, and by the China Postdoctoral Science Foundation under Grant No. 2019M650843. This work was funded by the Carl Zeiss Foundation under project "Kepler Center fur Astround Teilchenphysik: Hochsensitive Nachweistechnik zur Erforschung des unsichtbaren Universums (Gz: 0653-2.8/581/2)", by "Verbundprojekt 05A2017-Cryogenic Rare Event Search with Superconducting Thermometers (CRESST)-XENON: Direkte Suche nach Dunkler Materie mit XENON1T/nT und CRESST-III. Teilprojekt 1 (Forderkennzeichen 05A17VTA)", by "Verbundprojekt 05P2018 -Ausbau vonALICE am LHC: Jets und partonische Struktur von Kernen" (Forderkennzeichen: 05P18VTCA1), AgenciaNacional de Investigacion y Desarrollo (ANID) PIA/APOYO AFB180002 (Chile), and by FONDECYT (Chile) under Grant No. 1191103. The authors thank the unknown Referee for the valuable comments. Y.-B. D. thanks Institute of Theoretical Physics, Tubingen University for the hospitality, the support of Alexander von Humboldt foundation, and Jialun Ping for useful discussions. |
