Physics – Nuclear Physics – Nuclear Theory
Scientific paper
2006-08-24
Phys.Rev. C74 (2006) 034002
Physics
Nuclear Physics
Nuclear Theory
26 pages, 16 figures, submitted to Phys. Rev. C
Scientific paper
10.1103/PhysRevC.74.034002
Single and double polarization observables for kaon photoproduction on the deuteron are studied theoretically with modern hyperon-nucleon forces. The kinematical region of the kaon scattered forward with large momentum is thoroughly investigated where either the quasifree scattering leading to the kaon and hyperon or the final-state interaction between hyperon and nucleon are expected. The quasifree scatterings show characteristic peaks in the inclusive cross sections. The final-state interaction effects are significant, especially around the Lambda-N and Sigma-N thresholds. The double polarization C_z is found to be sensitive to the final-state interaction effects. Precise data would help to clarify the property of the Lambda-N--Sigma-N interaction and also help to extract the information on the elementary amplitude from the quasifree scattering region.
Bennhold Cornelius
Gloeckle Walter
Mart T.
Miyagawa Kazuya
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