Journal
NUCLEAR PHYSICS A
Volume 996, Issue -, Pages -Publisher
ELSEVIER
DOI: 10.1016/j.nuclphysa.2020.121692
Keywords
Cluster model; Resonating Group Method; Coulomb interaction; Three-cluster microscopic model; Mirror nuclei; Resonance states
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Funding
- Program of Fundamental Research of the Physics and Astronomy Department of the National Academy of Sciences of Ukraine [0117U000239]
- Ministry of Education and Science of the Republic of Kazakhstan [IRN: AP 05132476]
- JSPS KAKENHI [17K05430]
- Grants-in-Aid for Scientific Research [17K05430] Funding Source: KAKEN
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We investigate how the Coulomb interaction affects the energy E and width Gamma 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-Gamma 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. (C) 2020 Elsevier B.V. All rights reserved.
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