Deformation dependence of the isovector giant dipole resonance : the neodymium isotopic chain revisited

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dc.contributor.authorDonaldson, L. M.en_ZA
dc.contributor.authorBertulani, C. A.en_ZA
dc.contributor.authorCarter, J.en_ZA
dc.contributor.authorNesterenko, V. O.en_ZA
dc.contributor.authorVon Neumann-Cosel, P.en_ZA
dc.contributor.authorNeveling, R.en_ZA
dc.contributor.authorPonomarev, V. Yuen_ZA
dc.contributor.authorReinhard, P. G.en_ZA
dc.contributor.authorUsman, I. T.en_ZA
dc.contributor.authorAdsley, P.en_ZA
dc.contributor.authorBrummer, J. W.en_ZA
dc.contributor.authorButhelezi, E. Z.en_ZA
dc.contributor.authorCooper, G. R. J.en_ZA
dc.contributor.authorFearick, R. W.en_ZA
dc.contributor.authorFortsch, S. V.en_ZA
dc.contributor.authorFujita, H.en_ZA
dc.contributor.authorFujita, Y.en_ZA
dc.contributor.authorJingo, M.en_ZA
dc.contributor.authorKleinig, W.en_ZA
dc.contributor.authorKureba, C. O.en_ZA
dc.contributor.authorKvasil, J.en_ZA
dc.contributor.authorLatif, M.en_ZA
dc.contributor.authorLi, K. C. W.en_ZA
dc.contributor.authorMira, J. P.en_ZA
dc.contributor.authorNemulodi, F.en_ZA
dc.contributor.authorPapka, P.en_ZA
dc.contributor.authorPellegri, L.en_ZA
dc.contributor.authorPietralla, N.en_ZA
dc.contributor.authorRichter, A.en_ZA
dc.contributor.authorSideras-Haddad, E.en_ZA
dc.contributor.authorSmit, F. D.en_ZA
dc.contributor.authorSteyn, G. F.en_ZA
dc.contributor.authorSwartz, J. A.en_ZA
dc.contributor.authorTamii, A.en_ZA
dc.date.accessioned2020-05-05T22:35:58Z
dc.date.available2020-05-05T22:35:58Z
dc.date.issued2018
dc.descriptionCITATION: Donaldson, L. M., et al. 2018. Deformation dependence of the isovector giant dipole resonance : theneodymium isotopic chain revisited. Physics Letters B, 776:133-138, doi:10.1016/j.physletb.2017.11.025.
dc.descriptionThe original publication is available at https://www.sciencedirect.com
dc.description.abstractProton inelastic scattering experiments at energy Ep=200MeV and a spectrometer scattering angle of 0° were performed on 144,146,148,150Nd and 152Sm exciting the IsoVector Giant Dipole Resonance (IVGDR). Comparison with results from photo-absorption experiments reveals a shift of resonance maxima towards higher energies for vibrational and transitional nuclei. The extracted photo-absorption cross sections in the most deformed nuclei, 150Nd and 152Sm, exhibit a pronounced asymmetry rather than a distinct double-hump structure expected as a signature of K-splitting. This behaviour may be related to the proximity of these nuclei to the critical point of the phase shape transition from vibrators to rotors with a soft quadrupole deformation potential. Self-consistent random-phase approximation (RPA) calculations using the SLy6 Skyrme force provide a relevant description of the IVGDR shapes deduced from the present data.en_ZA
dc.description.urihttps://www.sciencedirect.com/science/article/pii/S0370269317309176
dc.description.versionPublisher's version
dc.format.extent6 pages
dc.identifier.citationDonaldson, L. M., et al. 2018. Deformation dependence of the isovector giant dipole resonance : theneodymium isotopic chain revisited. Physics Letters B, 776:133-138, doi:10.1016/j.physletb.2017.11.025
dc.identifier.issn1873-2445 (online)
dc.identifier.issn0370-2693 (print)
dc.identifier.otherdoi:10.1016/j.physletb.2017.11.025
dc.identifier.urihttp://hdl.handle.net/10019.1/108537
dc.language.isoen_ZAen_ZA
dc.publisherElsevier
dc.rights.holderAuthors retain copyright
dc.subjectNuclear deformationen_ZA
dc.subjectNuclear shapesen_ZA
dc.subjectGiant dipole resonanceen_ZA
dc.subjectNeodynium isotopesen_ZA
dc.subjectInelastic scatteringen_ZA
dc.subjectVibrational spectraen_ZA
dc.subjectPhase transformations (Statistical physics)en_ZA
dc.titleDeformation dependence of the isovector giant dipole resonance : the neodymium isotopic chain revisiteden_ZA
dc.typeArticleen_ZA
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