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Author  |
Lyu, W.T.; Dai, L.R.; Oset, E. |
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Title |
Role of Ξ (1690) in the J/ψ → Ξ0 (Λ)over-barK0 reaction |
Type |
Journal Article |
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Year |
2026 |
Publication |
European Physical Journal C |
Abbreviated Journal |
Eur. Phys. J. C |
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Volume |
86 |
Issue |
6 |
Pages |
726 - 9pp |
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Abstract |
Motivated by the recent BESIII measurements of the J/psi psi -> Xi(0) (Lambda) over barK(S)(0) + c.c. process, we investigate this reaction by considering the contributions from the Xi(1690), Lambda(1890) and Lambda(1830) resonances. The Xi (1690) state is dynamically generated from the S-wave pseudoscalar meson-octet baryon interactions within the chiral unitary approach. Our theoretical model provides a good description of the (Lambda) over barK(0), Xi K-0(0), and invariant mass distributions. The results indicate that the Xi (1690) resonance, which was neglected in the experimental analysis by BESIII, plays a crucial role in this process. Furthermore, we evaluate the theoretical uncertainties of our model using the parametric bootstrap method. Future high-precision measurements of this process will further help to elucidate the properties of the Xi (1690), Lambda (1890) and Lambda (1830) states. |
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Address |
[Lyu, Wen-Tao] Zhengzhou Univ, Sch Phys, Zhengzhou 450001, Peoples R China, Email: lvwentao9712@163.com; |
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Thesis |
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Publisher |
Springer |
Place of Publication |
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Language |
English |
Summary Language |
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Original Title |
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Series Title |
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Series Volume |
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Edition |
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ISSN |
1434-6044 |
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Conference |
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Notes |
WOS:001806198500005 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
7301 |
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