Magnetic moments of the Lambda(1405) and Lambda(1670) resonances

Details Magnetic moments of the Lambda(1405) and Lambda(1670) resonances Magnetic moments of the Lambda(1405) and Lambda(1670) resonances

2002-03-26

arxiv.org/abs/hep-ph/0203248v1

Phys.Rev.C66:025203,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

19 pags., 8 figs

Scientific paper

10.1103/PhysRevC.66.025203

By using techniques of unitarized chiral perturbation theory, where the $\Lambda(1405)$ and $\Lambda(1670)$ resonances are dynamically generated, we evaluate the magnetic moments of these resonances and their transition magnetic moment. The results obtained here differ appreciably from those obtained with existing quark models. The width for the $\Lambda(1670) \to \Lambda(1405) \gamma$ transition is also evaluated leading to a branching ratio of the order of $2 \times 10^{-6}$.

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