About: A self-consistent study of multipole response in neutron-rich nuclei using a modified realistic potential

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About: A self-consistent study of multipole response in neutron-rich nuclei using a modified realistic potential Goto Sponge NotDistinct Permalink

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rdf:type	skos:Concept http://linked.opendata.cz/ontology/domain/vavai/Vysledek
rdfs:seeAlso	http://dx.doi.org/10.1088/0954-3899/41/2/025109
Description	The multipole response of neutron-rich O and Sn isotopes is computed in Tamm-Dancoff and random-phase approximations using the canonical Hartree-Fock-Bogoliubov quasi-particle basis. The calculations are performed using an intrinsic Hamiltonian composed of a V-lowk potential, deduced from the CD-Bonn nucleon-nucleon interaction, corrected with phenomenological density dependent and spin-orbit terms. The effect of these two pieces on energies and multipole responses is discussed. The problem of removing the spurious admixtures induced by the center-of-mass motion and by the violation of the number of particles is investigated. The differences between the two theoretical approaches are discussed quantitatively. Attention is then focused on the dipole strength distribution, including the low-lying transitions associated with the pygmy resonance. Monopole and quadrupole responses are also briefly investigated. A detailed comparison with the available experimental spectra contributes to clarify the extent of validity of the two self-consistent approaches. The multipole response of neutron-rich O and Sn isotopes is computed in Tamm-Dancoff and random-phase approximations using the canonical Hartree-Fock-Bogoliubov quasi-particle basis. The calculations are performed using an intrinsic Hamiltonian composed of a V-lowk potential, deduced from the CD-Bonn nucleon-nucleon interaction, corrected with phenomenological density dependent and spin-orbit terms. The effect of these two pieces on energies and multipole responses is discussed. The problem of removing the spurious admixtures induced by the center-of-mass motion and by the violation of the number of particles is investigated. The differences between the two theoretical approaches are discussed quantitatively. Attention is then focused on the dipole strength distribution, including the low-lying transitions associated with the pygmy resonance. Monopole and quadrupole responses are also briefly investigated. A detailed comparison with the available experimental spectra contributes to clarify the extent of validity of the two self-consistent approaches. (en)
Title	A self-consistent study of multipole response in neutron-rich nuclei using a modified realistic potential A self-consistent study of multipole response in neutron-rich nuclei using a modified realistic potential (en)
skos:prefLabel	A self-consistent study of multipole response in neutron-rich nuclei using a modified realistic potential A self-consistent study of multipole response in neutron-rich nuclei using a modified realistic potential (en)
skos:notation	RIV/00216208:11320/14:10283742!RIV15-MSM-11320___
http://linked.open...avai/riv/aktivita	I P
http://linked.open...avai/riv/aktivity	I, P(GA13-07117S)
http://linked.open...iv/cisloPeriodika	2
http://linked.open...vai/riv/dodaniDat	2015
http://linked.open...aciTvurceVysledku	Knapp, František
http://linked.open.../riv/druhVysledku	J - Článek v odborném periodiku
http://linked.open...iv/duvernostUdaju	S - Úplné a pravdivé údaje nepodléhající ochraně podle zvláštních právních předpisů
http://linked.open...titaPredkladatele	Univerzita Karlova v Praze / Matematicko-fyzikální fakulta
http://linked.open...dnocenehoVysledku	1158
http://linked.open...ai/riv/idVysledku	RIV/00216208:11320/14:10283742
http://linked.open...riv/jazykVysledku	eng - angličtina
http://linked.open.../riv/klicovaSlova	pygmy; dipole; O and Sn neutron rich isotopes; modified Vlowk; QRPA; QTDA; HFB (en)
http://linked.open.../riv/klicoveSlovo	HFB O and Sn neutron rich isotopes QRPA QTDA modified Vlowk pygmy dipole
http://linked.open...odStatuVydavatele	GB - Spojené království Velké Británie a Severního Irska
http://linked.open...ontrolniKodProRIV	[3631D8297A8F]
http://linked.open...i/riv/nazevZdroje	Journal of Physics G: Nuclear and Particle Physics
http://linked.open...in/vavai/riv/obor	BG
http://linked.open...ichTvurcuVysledku	1 (xsd:int)
http://linked.open...cetTvurcuVysledku	7 (xsd:int)
http://linked.open...vavai/riv/projekt	Statistical approaches to quantum many-body systems
http://linked.open...UplatneniVysledku	2014
http://linked.open...v/svazekPeriodika	41
http://linked.open...iv/tvurceVysledku	Knapp, František Veselý, P. Andreozzi, F. Bianco, D. Lo Iudice, N. Porrino, A. De Gregorio, G.
http://linked.open...ain/vavai/riv/wos	000329989600015
issn	0954-3899
number of pages	22 (xsd:int)
http://bibframe.org/vocab/doi	10.1088/0954-3899/41/2/025109
http://localhost/t...ganizacniJednotka	11320

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