Resonance Energy and Wavefunction of 31Ne: a Calculation Using Supersymmetric Quantum Mechanics
PHYSICS OF ATOMIC NUCLEI(2023)
Abstract
In this communication, we present an accurate and powerful method to compute the energy and wave function of weakly bound nuclei. As a case study, the scheme is implemented to the neutron-rich nucleus Ne-31 assuming a (Ne-30 + n) two-body cluster model. Spherically symmetric Woods-Saxon potential with a spin-orbit component is chosen for the core-nucleon interaction. The two-body Schrodinger equation in relative coordinate is solved numerically to get the energy and wavefunction of the low-lying bound states. A one-parameter family of isospectral potential is constructed using the bound state solutions following the algebra of supersymmetric quantum mechanics (SSQM) to find energies and wavefunctions of the low-lying resonances. In addition to the ground state 1(p3/2) (-0.33 MeV), two low-lying 2 bound excited states 1(s1/2) (-0.30 MeV) and 1(p1/2 )(0.15 MeV) are also obtained. Few low-lying resonances: 2(p1/2) (1.432MeV), 2(p3/2) (1.431 MeV), 1(f5/2)- (5.58 MeV) and 1(f7/2) (4.59 MeV) are also investigated. The calculated 1(f7/2) resonance at E-R similar or equal to 4.59 MeV is in excellent agreement with the one found in the literature.
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