Quark-Model Baryon-Baryon Interaction Applied to Neutron-Deuteron Scattering. I : Noyes-Kowalski Approach to the AGS Equations(Nuclear Physics)
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概要
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We solve the neutron-deuteron (nd) scattering in the Faddeev formalism, employing the NN sector of the quark-model baryon-baryon interaction fss2. The energy dependence of the NN interaction, inherent to the resonating-group formulation of the quark-model baryon-baryon interaction, is eliminated by the standard off-shell transformation utilizing the normalization kernel of two-cluster systems. An extra nonlocality originating from this procedure is very important to reproduce all the nd scattering observables below E_n≤65MeV. A new algorithm to solve the Alt-Grassberger-Sandhas (AGS) equations is presented in the Noyes-Kowalski method. The treatment of the moving singularity from the three-body Green function is shown in detail, which is based on the spline function method originally developed by the Bochum-Krakow group. The predicted elastic differential cross sections reproduce the observed deep cross section minima at E_n=35-65MeV and θ_<cm>=130°-135°, which is consistent with the nearly correct triton binding energy predicted by fss2 without the three-body force.
- 2010-09-25
著者
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FUJIWARA Yoshikazu
Department of Physics, Kyoto University
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FUKUKAWA Kenji
Department of Physics, Kyoto University
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Fukukawa Kenji
Department Of Physics Kyoto University
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Fujiwara Yoshikazu
Kyoto Univ. Kyoto Jpn
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Fujiwara Yoshikazu
Department Of Clinical Gene Therapy Osaka University Graduate School Of Medicine
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Fukukawa Kenji
Kyoto Univ. Kyoto Jpn
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