Theoretical Description of Pygmy (Dipole) Resonances

Lanza, E. G.; Vitturi, A.

doi:10.1007/978-981-15-8818-1_75-1

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Pdr In Deformed Nuclei1

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2023

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“…The question is whether something similar may happen for the low-lying dipole peak. Theoretical studies of the PDR in deformed nuclei were based on Hartree-Fock-Bogoliubov (HFB) plus QRPA approach with Skyrme and Gogny effective interaction (for details see [6] and reference therein). In particular, two of such approaches reach different conclusions for the PDR win deformed nuclei.…”

Section: Pdr In Deformed Nucleimentioning

confidence: 99%

Pygmy dipole resonances: open problems

Lanza,

Pellegri,

Vitturi

et al. 2023

J. Phys.: Conf. Ser.

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The low-lying dipole states, known as Pygmy Dipole Resonances (PDR) have been studied at length for several nuclei and several isotopes. Many properties have been acquired and understood by the theoretical and experimental studies of the isovector and isoscalar response of the PDR. Nevertheless, some unresolved questions still remain and two of them are briefly discussed in this contribution: the long standing question about the collective nature of this new mode and the presence of the PDR in deformed nuclei.

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Section: Pdr In Deformed Nucleimentioning

confidence: 99%