Formation and decay of resonance states in 
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 and 
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 nuclei: Microscopic three-cluster model investigations

Vasilevsky, V. S.; Katō, Kiyoshi; Takibayev, N.

doi:10.1103/physrevc.96.034322

Cited by 17 publications

(34 citation statements)

References 54 publications

(171 reference statements)

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“…This problem has been discussed in Refs. [16,22] where spectra of 9 B and 9 Be were investigated. To avoid appearance unphysical bound states, we adjust parameters m and u to reproduce the energy of the ground state measured from the three-cluster threshold.…”

Section: Resultsmentioning

confidence: 99%

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Systematic investigation of the Hoyle-analog states in light nuclei

2018

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We investigate resonance states in three-cluster continuum of some light nuclei 9 Be, 9 B, 10 B, 11 B and 11 C. These nuclei are considered to have a three-cluster configuration consisting of two alphaparticles and neutron, proton, deuteron, triton and nucleus 3 He. In this study, we make use two different microscopic three-cluster models. The first model employs the Hyperspherical Harmonics basis to numerate channels and describe three-cluster continuum. The second model is the wellknown complex scaling method. The nucleon-nucleon interaction is modeled by the semi-realistic Minnesota and Hasegawa-Nagata potentials. Our main aim is to find the Hoyle-analog states in these nuclei or, in other words, whether it is possible to synthesize these nuclei in a triple collision of clusters. We formulate the criteria for selecting such states and apply them to resonance states, emerged from our calculations. We found that there are resonance states obeying the formulated criteria which make possible syntheses of these nuclei in a stellar environment.

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Section: Resultsmentioning

confidence: 99%

“…In this paper we will not discuss the dependence of parameters of resonance states on K max and N ch , and the convergence of the obtained results, as they were addressed in Refs. [15][16][17][18]22].…”

Section: Resultsmentioning

confidence: 99%

Systematic investigation of the Hoyle-analog states in light nuclei

2018

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“…They are, for example, the 1/2 + resonance states in the three-cluster continuum of 9 Be and 9 B, 11 B and 11 C. As it was shown in Refs. [24,29,32], these resonance states have very a dispersed three-cluster structure. Therefore, the Coulomb shifts are equal R C =0.429 and R C =0.492 MeV, respectively, for these pairs of the mirror nuclei.…”

Section: Discussionmentioning

confidence: 99%

“…They were obtained in Ref. [24] with the MHNP within the AMHHB. Table II also displays the Coulomb shift R C and rotational angle θ C .…”

Section: Effects Of Coulomb Forcesmentioning

confidence: 99%

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

et al. 2020

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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.

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“…In this Rapid Communication we focus on the A = 9 system. These light nuclei provide a fertile testing ground for recently developed tools in nuclear theory (such as ab initio calculations) and have also been described using sophisticated cluster models [18][19][20][21]. The latest compilation [5] shows that its first T = 3/2 quartet requires a d = 6.7 ± 1.5 keV cubic term for a satisfactory fit to the data.…”

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Second T=3/2 state in B9 and the isobaric multiplet mass equation

et al. 2018

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Recent high-precision mass measurements and shell model calculations [Phys. Rev. Lett. 108, 212501 (2012)] have challenged a longstanding explanation for the requirement of a cubic isobaric multiplet mass equation for the lowest A = 9 isospin quartet. The conclusions relied upon the choice of the excitation energy for the second T = 3/2 state in 9 B, which had two conflicting measurements prior to this work. We remeasured the energy of the state using the 9 Be( 3 He, t) reaction and significantly disagree with the most recent measurement. Our result supports the contention that continuum coupling in the most proton-rich member of the quartet is not the predominant reason for the large cubic term required for A = 9 nuclei.

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Formation and decay of resonance states in Be9 and B9 nuclei: Microscopic three-cluster model investigations

Cited by 17 publications

References 54 publications

Systematic investigation of the Hoyle-analog states in light nuclei

Systematic investigation of the Hoyle-analog states in light nuclei

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

Second T=3/2 state in B9 and the isobaric multiplet mass equation

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