Effects of the Coulomb interaction on parameters of resonance states in mirror three-cluster nuclei

Abstract

We investigate how the Coulomb interaction affects the energy E and width Γ of resonance states in mirror nuclei. We employ a three-cluster microscopic model to determine position of resonance states in two-and three-body continua. Two parameters are introduced to quantify effects of the Coulomb interactions. As the energy and width of the corresponding resonance states of mirror nuclei are displayed on an E-Γ plane, these parameters determine a rotation and a dilatation. With the help of these parameters we found resonance states with strong, small and medium effects of the Coulomb interaction. We also found two different scenarios of the motion of resonance states due to the Coulomb interaction. The first standard (major) scenario represent resonance states with the larger energy and larger width than their counterparts have. The second rear scenario includes resonance states with the larger energy but smaller width.

About Expediency of Creation Compile Catalogue of Spectrophotometric Standards

“…The energy E of the resonance states are measured from the α + d threshold. Results of our calculation with the MP and the MHNP are compared with the experimental data [12][13][14]. There is a fairly good agreement between the theoretical and experimental data.…”

Resonance structure of $^{8}$Be with the two-cluster resonating group method

“…It was shown that the relation between wave function and expansion coefficients ( 20) is valid even for small values of n (n ≥ 5). In present calculations we use similar relations for the expansion coefficients of the asymptotic wave functions (12) for charged clusters.…”