Rescattering effects in coherent eta-photoproduction on the deuteron

Details Rescattering effects in coherent eta-photoproduction on the deuteron Rescattering effects in coherent eta-photoproduction on the deuteron

1998-10-09

arxiv.org/abs/nucl-th/9810027v1

Phys.Lett. B447 (1999) 15-22

Physics

Nuclear Physics

Nuclear Theory

8 pages LaTeX using revtex, 6 postscript figures (using epsf.sty)

Scientific paper

10.1016/S0370-2693(98)01568-8

Rescattering effects in coherent eta photoproduction on the deuteron are studied in the region of the S_11(1535) resonance. For the elementary reaction mechanism on the nucleon, an effective isobar model with inclusion of resonances and Born terms is used. The resonance parameters are fixed by considering pion photoproduction only. For the coherent eta production on the deuteron we have considered the impulse approximation taking into account the P_11(1440), D_13(1520), and S_11(1535) resonances, rescattering, and meson exchange currents. For the rescattering mechanism a coupled channel model including the dominant S_11(1535) resonance is used.

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