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Testing the nature of the Λ(1520)-resonance in proton-induced production

  • L. RocaEmail author
  • C. Hanhart
  • E. Oset
  • U. -G. Meißner
Hadron Physics

Abstract.

The Λ(1520)-resonance has been recently studied in a unitarized coupled-channel formalism with πΣ(1385), KΞ(1530), ¯N and πΣ as constituents blocks. We provide a theoretical study of the predictions of this model in physical observables of the pppK+K-p and pppK+π0π0Λ reactions. In particular, we show that the ratio between the π0π0Λ and K-p mass distributions can provide valuable information on the ratio of the couplings of the Λ(1520)-resonance to πΣ(1385) and ¯N than the theory predicts. Calculations are done for energies which are accessible in an experimental facility like COSY at Jülich or the developing CSR facility at Lanzhou.

PACS.

14.20.-c Baryons (including antiparticles) 13.75.-n Hadron-induced low- and intermediate-energy reactions and scattering 

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Copyright information

© Società Italiana di Fisica and Springer-Verlag 2006

Authors and Affiliations

  • L. Roca
    • 1
    Email author
  • C. Hanhart
    • 2
  • E. Oset
    • 3
  • U. -G. Meißner
    • 4
    • 2
  1. 1.Departamento de FısicaUniversidad de MurciaMurciaSpain
  2. 2.Forschungszentrum JülichInstitut für Kernphysik (Theorie)JülichGermany
  3. 3.Departamento de Fısica Teórica and IFICCentro Mixto Universidad de Valencia-CSIC, Institutos de Investigación de PaternaValenciaSpain
  4. 4.HISKP (Th), Universität BonnBonnGermany

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