Khaled Abdel-Waged 2005 J. Phys. G: Nucl. Part. Phys. 31 739 doi:10.1088/0954-3899/31/7/018
Khaled Abdel-Waged1
Show affiliationsThe ultra-relativistic quantum molecular dynamics (UrQMD) model is developed for neutron spallation production from ≈1 GeV proton-induced reactions. Improvements in the dynamical content of the standard UrQMD model include: (i) an initial ground state which reproduces the experimental root mean square radii; (ii) a momentum-dependent Pauli potential and (iii) medium-modified angular distributions for quasi-inelastic NN scattering and the reverse NΔ → NN reaction. It is shown that, in conjunction with the generalized evaporation model, the improved UrQMD model is able to reproduce the whole energy-angle neutron double differential cross sections in the interactions of proton on Al, Fe and Zr at 1.2 GeV.
23.20.Lv gamma transitions and level energies
27.30.+t 20(less-than-or-equal-to)A(less-than-or-equal-to)38
27.60.+j 90(less-than-or-equal-to)A(less-than-or-equal-to)149
02.70.Ns Molecular dynamics and particle methods
27.40.+z 39(less-than-or-equal-to)A(less-than-or-equal-to)58
Issue 7 (July 2005)
Received 24 February 2005
Published 27 May 2005
Khaled Abdel-Waged 2005 J. Phys. G: Nucl. Part. Phys. 31 739
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