par Malatji, K.L.;Beckmann, K.S.;Wiedeking, M.;Siem, Sunniva;Goriely, Stéphane 
;Larsen, Anne Cecilie;Ay, K.O.;Bello Garrote, Frank Leonel;Campo, Crespo L.C.;Görgen, Andreas;Guttormsen, Magne;Ingeberg, V. W.;Jones, P.;Kheswa, B.V.;Von Neumann-Cosel, Peter;Ozgur, Mustafa;Potel, Gregory;Pellegri, Luna;Renstrøm, Therese;Tveten, G.M.;Zeiser, Fabio
Référence Physical Review C, 103, 1, 014309
Publication Publié, 2021-01-01
;Larsen, Anne Cecilie;Ay, K.O.;Bello Garrote, Frank Leonel;Campo, Crespo L.C.;Görgen, Andreas;Guttormsen, Magne;Ingeberg, V. W.;Jones, P.;Kheswa, B.V.;Von Neumann-Cosel, Peter;Ozgur, Mustafa;Potel, Gregory;Pellegri, Luna;Renstrøm, Therese;Tveten, G.M.;Zeiser, FabioRéférence Physical Review C, 103, 1, 014309
Publication Publié, 2021-01-01
Article révisé par les pairs
| Résumé : | The nuclear level densities (NLDs) and the γ-ray strength functions (γSFs) of Sm153,155 have been extracted from (d,pγ) coincidences using the Oslo method. The experimental NLD of Sm153 is higher than the NLD of Sm155, in accordance with microscopic calculations. The γSFs of Sm153,155 are in fair agreement with QRPA calculations based on the D1M Gogny interaction. An enhancement is observed in the γSF for both Sm153,155 nuclei around 3 MeV in excitation energy and is attributed to the M1 scissors resonance (SR). Their integrated strengths were found to be in the range 1.3-2.1 and 4.4-6.4 μN2 for Sm153 and Sm155, respectively. The strength of the SR for Sm155 is comparable to those for deformed even-even Sm isotopes from nuclear resonance fluorescence measurements, while that of Sm153 is lower than expected. |
