Coherent Photoproduction of eta-mesons on Three-Nucleon Systems

Details Coherent Photoproduction of eta-mesons on Three-Nucleon Systems Coherent Photoproduction of eta-mesons on Three-Nucleon Systems

2001-08-13

arxiv.org/abs/nucl-th/0108031v1

Nucl.Phys. A714 (2003) 277-290

Physics

Nuclear Physics

Nuclear Theory

17 pages, RevTeX, 5 eps-figures, submitted to Phys. Rev. C

Scientific paper

10.1016/S0375-9474(02)01368-4

A microscopic few-body description of near-threshold coherent photoproduction of the eta-meson on tritium and He3 targets is given. The photoproduction cross-section is calculated using the Finite Rank Approximation (FRA) of the nuclear Hamiltonian. The results indicate a strong final state interaction of the eta-meson with the residual nucleus. Sensitivity of the results to the choice of the eta-N T-matrix is investigated. The importance of obeying the two-body unitarity condition in the eta-N system is demonstrated.

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