Microscopic calculation of inelastic proton scattering off ${}^{18}$O, ${}^{10}$Be, ${}^{12}$Be, and ${}^{16}$C for study of neutron excitation in neutron-rich nuclei

Abstract

The microscopic coupled-channel calculation of inelastic proton scattering is performed for the study of neutron excitations in $2_1^{+}$ states of ${}^{18}$O, ${}^{10}$Be, ${}^{12}$Be, and ${}^{16}$C. Proton-nucleus potentials in the coupled-channel calculation are microscopically derived by folding the Melbourne $g$-matrix $NN$ interaction with matter and transition densities of target nuclei obtained by the structure model calculation of antisymmetrized molecular dynamics. The calculated result reasonably reproduces the elastic and inelastic proton scattering cross sections, and supports the dominant contribution of neutron in the $2_1^{+}$ excitation of ${}^{12}$Be and ${}^{16}$C as well as ${}^{18}$O. Sensitivity of the inelastic scattering cross sections to the neutron transition density is discussed. The exotic feature of the neutron transition density with the amplitude in the outer region in ${}^{12}$Be and ${}^{16}$C is focused.

15 pages, 13 figures

References in corpus (12)

• Lifetime measurements of first excited states in 16,18C
• Microscopic optical potentials for ${}^4$He scattering
• Enhanced collectivity in 74Ni
• Systematic description of 6Li(n, n')6Li* $\to$ d + $\alpha$ reactions with the microscopic coupled-channels method
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• Inverse-kinematics proton scattering on ${}^{50}$Ca: Determining effective charges using complementary probes
• $\alpha$ scattering cross sections on ${}^{12}$C with microscopic coupled-channel calculation
• No-recoil approximation to knock-on exchange potential in the double folding model for heavy-ion collisions
• Isoscalar dipole excitations in ${}^{16}$O
• Nucleon-nucleus scattering as a test of shell structure of some light mass exotic nuclei
• First microscopic coupled-channel calculation of $\alpha$ inelastic cross sections on ${}^{16}$O
• Reexamination of microscopic optical potentials based on multiple scattering theory

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• Neutron dominance in excited states of ${}^{26}$Mg and ${}^{10}$Be probed by proton and alpha inelastic scattering
• Transition properties of low-lying states in ${}^{28}$Si probed via inelastic proton and alpha scattering
• Drastic change in inelastic scattering depending on the development of dineutron correlation in ${}^{10}$Be
• Probing negative-parity states of ${}^{24}$Mg probed via proton and alpha inelastic scattering
• Breakup effects in the ${}^{16}\mathrm{C}+p$ and ${}^{16}\mathrm{C}+d$ reactions
• Low-energy dipole excitation mode in ${}^{18}$O with antisymmetrized molecular dynamics