Soryushiron Kenkyu Electronics
Online ISSN : 2433-2895
Print ISSN : 0371-1838
Proton-Induced Breakup Differential Cross Sections in the pd Scattering
Y. FujiwaraK. Fukukawa
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2012 Volume 119 Issue 4B Pages E76-E80

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Abstract

The nd and pd breakup differential cross sections for the nucleon laboratory energies E_N ≤ 65 MeV are examined using the energy-independent quark-model nucleon-nucleon interaction fss2. The Coulomb effect is incorporated by the sharp cut-off Coulomb force, acting between quarks, without the phase-shift renormalization for the breakup amplitudes. Our model yields the results very similar to the meson-exchange potentials, including disagreement with experimental data for some specific kinematical configurations. This includes the notorious space star anomaly of the nd and pd scattering at E_N = 13 MeV. The shape of the pp final-state interaction peak in E_d = 130 MeV dp scattering data from KVI is not correctly reproduced, probably because the half off-shell behavior of the two-proton t-matrix is not appropriate in our Coulomb treatment.

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