TL;DR
This paper reviews the current understanding of the Lambda(1405) resonance, emphasizing recent experimental and theoretical advances in chiral SU(3) dynamics that clarify its properties and internal structure.
Contribution
It provides a comprehensive summary of recent progress in modeling and understanding the Lambda(1405) resonance using chiral SU(3) theories and experimental data.
Findings
Quantitative understanding of Kbar N scattering near threshold
Predictions of the pi Sigma spectrum
Insights into the internal structure of Lambda(1405)
Abstract
The current status of the Lambda(1405) resonance in the Kbar N scattering is summarized. It is shown that the precise experimental data and the theoretical developments in chiral SU(3) dynamics enable us to quantitatively understand the physics around the Kbar N threshold. We present the recent theoretical predictions of the pi Sigma spectrum and the investigations of the internal structure of the Lambda(1405).
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