The Λ(1405) with one pole

The Λ(1405)1/2 - resonance is discussed and a fit of the Bonn-Gatchina (BnGa) partial-wave- analysis group is presented to data relevant for this resonance. In the Σ π - N K coupled channel system, no Σ pole and only one Λ pole in the mass range from the Σ π threshold to 1500 MeV is required to get...

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Bibliographic Details
Main Author: Klempt, Eberhard
Format: Conference Proceeding
Language:English
Subjects:
Resonance
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Summary:The Λ(1405)1/2 - resonance is discussed and a fit of the Bonn-Gatchina (BnGa) partial-wave- analysis group is presented to data relevant for this resonance. In the Σ π - N K coupled channel system, no Σ pole and only one Λ pole in the mass range from the Σ π threshold to 1500 MeV is required to get a good description of the data.
ISSN:2100-014X
2101-6275
2100-014X
DOI:10.1051/epjconf/202024103002