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Record |
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Author  |
Duan, M.Y.; Bayar, M.; Oset, E. |
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Title |
Precise determination of the ηΛ scattering length and effective range and relationship to the Λ(1670) resonance |
Type |
Journal Article |
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Year |
2024 |
Publication |
Physics Letters B |
Abbreviated Journal |
Phys. Lett. B |
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Volume |
857 |
Issue |
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Pages |
139003 - 5pp |
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Keywords |
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Abstract |
We use the Belle data on the K(-)p mass distribution of the Lambda(+)(c)-> pK(-)pi(+) reaction near the eta Lambda threshold to determine the eta Lambda scattering length and effective range. We show that from these data alone we can determine the value of a with better precision than so far determined, and the value of r(0) for the first time. The addition of the K(-)p ->eta Lambda data allows us to improve the precision of these magnitudes, with errors smaller than 15%. We also determine with high precision the pole position of the Lambda(1670). |
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Address |
[Duan, Man-Yu] Southeast Univ, Sch Phys, Nanjing 210094, Peoples R China, Email: duanmy@seu.edu.cn; |
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Publisher |
Elsevier |
Place of Publication |
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Editor |
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Language |
English |
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Original Title |
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Series Editor |
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Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
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ISSN |
0370-2693 |
ISBN |
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Notes |
WOS:001312217300001 |
Approved |
no |
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Is ISI |
yes |
International Collaboration |
yes |
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Call Number |
IFIC @ pastor @ |
Serial |
6257 |
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