Influence of the np interaction on the beta decay of Pd-94

Autor: Singh, B. S. Nara, Brock, T. S., Wadsworth, R., Grawe, H., Boutachkov, P., Braun, N., Blazhev, A., Liu, Z., Gorska, M., Pietri, S., Rudolph, D., Domingo-Pardo, C., Steer, S. J., Atac, A., Bettermann, L., Caceres, L., Engert, T., Faestermann, T., Farinon, F., Finke, F., Geibel, K., Gerl, J., Gernhaeuser, R., Goel, N., Gottardo, A., Grebosz, J., Hinke, C., Hoischen, R., Ilie, G., Iwasaki, H., Jolie, J., Kaskas, A., Kojouharov, I., Kruecken, R., Kurz, N., Merchan, E., Nociforo, C., Nyberg, Johan, Pfuetzner, M., Prochazka, A., Podolyak, Zs., Regan, P. H., Reiter, P., Rinta-Antila, S., Scholl, C., Schaffner, H., Söderström, Pär-Anders, Warr, N., Weick, H., Wollersheim, H. -J, Woods, P. J., Nowacki, F.
Jazyk: angličtina
Rok vydání: 2012
Předmět:
Popis: We present results from stopped beam rare isotope spectroscopic investigations at the GSI (RISING) experiment based on the detection of gamma-ray transitions following the beta decay of Pd-94. A comparison between the measured low-lying level scheme of Rh-94 and the prediction from shell-model calculations reveals the important roles of the g(7/2) and g(9/2) orbitals in explaining the structural features. The low values of the Gamow-Teller strengths B(GT) can be attributed to the influence of the neutron-proton interaction, which gives rise to an increased seniority mixing for the nuclear states, thereby leading to a fragmentation of the strength to several daughter levels. These results provide further strong indications that Pd-94 resides in the middle of a structural transition region in the Pd isotopes as the N = Z line is approached.
Databáze: OpenAIRE