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Author  |
Jia, W.H.; Song, J.; Liang, W.H.; Oset, E. |
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Title |
Scattering data and correlation function for the interaction |
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 |
7 |
Pages |
761 - 12pp |
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Abstract |
We study the interaction of a kaon with the f1(1285) resonance, assuming that the f1(1285) is a molecular state generated by the KK & strns;& lowast;,K & strns;K & lowast; interaction, evaluating the scattering amplitude, the scattering length and effective range of the Kf1 system. The scattering amplitude develops a resonant structure approximately 56 MeV below the Kf1 threshold, with a width of around 123 MeV. The corresponding correlation function has the distinctive shape of a system with a bound state close to threshold. We also show that the interaction of the Kf1 system differs significantly from the one obtained assuming that the f1(1285) is an ordinary, non-molecular, particle. This provides motivation to continue the search for these observables, already initiated by the measurement of the pf1(1285) correlation function by the ALICE collaboration. |
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Address |
[Jia, Wen-Hao; Liang, Wei-Hong; Oset, Eulogio] Guangxi Normal Univ, Dept Phys, Guilin 541004, Peoples R China, Email: Song-Jing@buaa.edu.cn; |
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Publisher |
Springer |
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Language |
English |
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Original Title |
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Series Volume |
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Edition |
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ISSN |
1434-6044 |
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Notes |
WOS:001811890500002 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
7328 |
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