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Review of the {mathbf Λ}(1405): A curious case of a strange-ness resonance

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arxiv 2010.00056 v1 pith:7XYEKX73 submitted 2020-09-30 nucl-th hep-lathep-phnucl-ex

Review of the {mathbf Λ}(1405): A curious case of a strange-ness resonance

classification nucl-th hep-lathep-phnucl-ex
keywords experimentaltheoreticallambdadevelopmentsrecentresearchresonancereview
verification ladder T0 review T1 audit T2 compute T3 formal T4 reserved
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During its long-lasting history, the $\Lambda(1405)$ has become a benchmark for our understanding of the $\rm SU(3)$ hadron dynamics. Starting with its theoretical prediction and later experimental verification, until the most recent debates on the existence of the second broad pole, it emerged as a fruitful research area sparking many theoretical and experimental developments. This review intends to provide the reader with the current status of research on the $\Lambda(1405)$-resonance, reflecting on historical, experimental and theoretical developments. A common database for experimental results and a comparison of most recent theoretical approaches will be provided in the last two parts of this manuscript.

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