Radiative decay of $K^-p$ system and photoproduction of $Λ(1405)$

Details Radiative decay of $K^-p$ system and photoproduction of $Λ(1405)$ Radiative decay of $K^-p$ system and photoproduction of $Λ(1405)$

2009-10-31

arxiv.org/abs/0911.0083v1

Physics

Nuclear Physics

Nuclear Theory

4 pages, 3 figures

Scientific paper

The properties of the $\Lambda(1405)$ resonance have been investigated from radiative decay of $K^- p\to Y\gamma$ and photoproduction $\gamma p\to K^+\Lambda(1405)$ within the framework of the isobar model. For a consistent result with recently measured branching ratios, the axial vector meson $K_1(1270)$ is taken into account. Strong and electromagnetic coupling constants of $\Lambda(1405)$ are extracted from these branching ratios and are applied to the analysis of $K^+\Lambda(1405)$ photoproduction. The total and differential cross sections are predicted.

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