The Unification of Structure and Reaction Frameworks

Michel, N.; Płoszajczak, M.

doi:10.1007/978-3-030-69356-5_9

Cited by 1 publication

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References 90 publications

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“…We have tested that the change in the excitation energy of a state is less than 1 keV if a third valence neutron is allowed in the continuum in the 19 C GSM calculation. The complex-symmetric GSM Hamiltonian obtained thus is diagonalized in the model space specified above, using the m-scheme Jacobi-Davidson method [46,47].…”

Section: Introductionmentioning

confidence: 99%

Excitation spectra of the heaviest carbon isotopes investigated within the CD-Bonn Gamow shell model

Geng

et al. 2022

Phys. Rev. C

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Neutron-rich carbon isotopes have been investigated within the Gamow shell model (GSM) based on a realistic nuclear force. 14 C was chosen as the core in the shell-model calculations of the neutronrich carbon isotopes. The effect from the coupling to the continuum is well considered by using the complex-momentum Berggren representation which treats bound, resonant and continuum states on an equal footing. Using the many-body perturbation theory named the Q-box folded-diagram method, the complex GSM effective interaction was derived from the CD-Bonn interaction. We find that the inclusion of the continuum coupling in the calculation is important in the description of neutron-rich carbon isotopes, especially in reproducing the experimental 1/2 + ground states of 19 C and 21 C. Our calculation indicates a shell closure at N = 16 in the carbon chain, while the N = 14 shell disappears which exists in the next even-Z chain of oxygen isotopes. The calculation suggests that 22 C is the heaviest bound carbon isotope, i.e., the neutron drip line.

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Section: Introductionmentioning

confidence: 99%

Excitation spectra of the heaviest carbon isotopes investigated within the CD-Bonn Gamow shell model

Geng

et al. 2022

Phys. Rev. C

View full text Add to dashboard Cite

show abstract

The Unification of Structure and Reaction Frameworks

Cited by 1 publication

References 90 publications

Excitation spectra of the heaviest carbon isotopes investigated within the CD-Bonn Gamow shell model

Excitation spectra of the heaviest carbon isotopes investigated within the CD-Bonn Gamow shell model

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