Particle-unstable light nuclei with a Sturmian approach that preserves the Pauli principle

Details Particle-unstable light nuclei with a Sturmian approach that preserves the Pauli principle Particle-unstable light nuclei with a Sturmian approach that preserves the Pauli principle

2007-01-05

arxiv.org/abs/nucl-th/0701014v1

Nucl.Phys.A790:251-256,2007

Physics

Nuclear Physics

Nuclear Theory

5 pages, 2 figures, 1 table, contribution to proceedings of "18th International IUPAP Conference on Few-Body Problems in Physi

Scientific paper

10.1016/j.nuclphysa.2007.03.148

Sturmian theory for nucleon-nucleus scattering is discussed in the presence of all the phenomenological ingredients necessary for the description of weakly-bound (or particle-unstable) light nuclear systems. Currently, we use a macroscopic potential model of collective nature. The analysis shows that the couplings to low-energy collective-core excitations are fundamental but they are physically meaningful only if the constraints introduced by the Pauli principle are taken into account. The formalism leads one to discuss a new concept, Pauli hindrance, which appears to be important to understand the structure of weakly-bound and unbound systems.

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