Unitary coupled channel analysis of the Lambda(1520) resonance
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Unitary coupled channel analysis of the Lambda(1520) resonance

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Unitary coupled channel analysis of the Lambda(1520) resonance

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Roca Zamora, Luis; Sarkar, S.; Magas, Volodymyr; Oset Báguena, Eulogio Perfil
This document is a artículoDate2006

Este documento está disponible también en : http://hdl.handle.net/10550/46933
We study the Λ(1520) resonance in a coupled-channel approach involving the πΣ(1385),KΞ(1530),KN, and πΣ channels. Implementing unitarity in coupled channels, we make an analysis of the relative importance of the different mechanisms that contribute to the dynamical structure of this resonance. From experimental information on some partial wave amplitudes and constraints imposed by unitarity, we get a comprehensive description of the amplitudes and hence the couplings to the different channels. We test these amplitudes in different reactions like K-p→Λππ,γp→K+K-p,γp→K+π0π0Λ, and π-p→K0K-p and find a fair agreement with the experimental data

    Roca Zamora, Luis Sarkar, S. Magas, Volodymyr Oset Báguena, Eulogio 2006 Unitary coupled channel analysis of the Lambda(1520) resonance Physical Review C 73 4 045208-1 045208-10
http://dx.doi.org/10.1103/PhysRevC.73.045208

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