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Título

Pygmy dipole resonance in Ce 140 via inelastic scattering of O 17

AutorKrzysiek, M.; Kmiecik, M.; Maj, A.; Bednarczyk, P.; Bracco, A.; Crespi, F. C. L.; Lanza, E. G.; Litvinova, E.; Paar, N.; Avigo, R.; Gadea, Andrés ; Giaz, A.; Jungclaus, Andrea ; Leoni, Silvia; Rosso, D.; Salsac, M. D.
Fecha de publicación25-abr-2016
EditorAmerican Physical Society
CitaciónPhysical Review C - Nuclear Physics 93: 044330 (2016)
ResumenThe γ decay from the high-lying states of Ce140 excited via inelastic scattering of O17 at a bombarding energy of 340 MeV was measured using the high-resolution AGATA-demonstrator array in coincidence with scattered ions detected in two segmented ΔE-E silicon detectors. Angular distributions of scattered ions and emitted γ rays were measured, as well as their differential cross sections. The excitation of 1- states below the neutron separation energy is similar to the one obtained in reactions with the α isoscalar probe. The comparison between the experimental differential cross sections and the corresponding predictions using the distorted-wave Born approximation allowed us to extract the isoscalar component of identified 1- pygmy states. For this analysis the form factor obtained by folding microscopically calculated transition densities and optical potentials was used. ©2016 American Physical Society
DescripciónM. Krzysiek et al. ; 8 págs.; 7 figs. ; 2 tabs.
Versión del editorhttps://doi.org/10.1103/PhysRevC.93.044330
URIhttp://hdl.handle.net/10261/142791
DOI10.1103/PhysRevC.93.044330
Identificadoresdoi: 10.1103/PhysRevC.93.044330
issn: 1089-490X
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