Compound and quasi-compound states in low-energy scattering of nucleons from 12C

Details Compound and quasi-compound states in low-energy scattering of nucleons from 12C Compound and quasi-compound states in low-energy scattering of nucleons from 12C

2005-02-04

arxiv.org/abs/nucl-th/0502016v1

Phys.Rev. C72 (2005) 014601

Physics

Nuclear Physics

Nuclear Theory

21 pages, 12 figures, 7 tables

Scientific paper

10.1103/PhysRevC.72.014601

A multi-channel algebraic scattering theory has been used to study the properties of nucleon scattering from 12C and of the sub-threshold compound nuclear states, accounting for properties in the compound nuclei to ~10 MeV. All compound and quasi-compound resonances observed in total cross-section data are matched, and on seeking solutions of the method at negative energies, all sub-threshold states in 13C and 13N are predicted with the correct spin-parities and with reasonable values for their energies. A collective-model prescription has been used to define the initiating nucleon-12C interactions and via use of orthogonalizing pseudo-potentials, account is made of the Pauli principle. Information is extracted on the underlying structure of each state in the compound systems by investigating the zero-deformation limit of the results.

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