Artículos de revistas

Structure of the N=50 As, Ge, Ga nuclei

Fecha
2013-08-02
Registro en:
NUCLEAR PHYSICS A, AMSTERDAM, v. 893, n. 2, supl. 1, Part 2, pp. 1-12, 37561, 2012
0375-9474
10.1016/j.nuclphysa.2012.08.007
Autor
Sahin, E.
de Angelis, G.
Duchene, G.
Faul, T.
Gadea, A.
Lisetskiy, A. F.
Ackermann, D.
Algora, A.
Aydin, S.
Azaiez, F.
Bazzacco, D.
Benzoni, G.
Bostan, M.
Byrski, T.
Celikovic, I.
Chapman, R.
Corradi, L.
Courtin, S.
Curien, D.
Pramanik, U. Datta
Didierjean, F.
Dorvaux, O.
Erduran, M. N.
Erturk, S.
Farnea, E.
Fioretto, E.
de France, G.
Franchoo, S.
Gall, B.
Gottardo, A.
Guiot, B.
Haas, F.
Ibrahim, F.
Ince, E.
Khouaja, A.
Kusoglu, A.
La Rana, G.
Labiche, M.
Lebhertz, D.
Lenzi, S.
Leoni, S.
Lunardi, S.
Mason, P.
Mengoni, D.
Michelagnoli, C.
Modamio, V.
Montagnoli, G.
Montanari, D.
Moro, R.
Mouginot, B.
Napoli, D. R.
O'Donnell, D.
Oliveira, Jose Roberto Brandao de
Ollier, J.
Orlandi, R.
Pollarolo, G.
Recchia, F.
Robin, J.
Salsac, M. -D.
Scarlassara, F.
Singh, R. P.
Silvestri, R.
Smith, J. F.
Stefan, I.
Stefanini, A. M.
Subotic, K.
Szilner, S.
Tonev, D.
Torres, D. A.
Trotta, M.
Ujic, P.
Ur, C.
Valiente-Dobon, J. J.
Verney, D.
Yalcinkaya, M.
Wady, P. T.
Wiedemann, Kenia Teodoro
Zuber, K.
Institución
Resumen
The level structures of the N = 50 As-83, Ge-82, and Ga-81 isotones have been investigated by means of multi-nucleon transfer reactions. A first experiment was performed with the CLARA PRISMA setup to identify these nuclei. A second experiment was carried out with the GASP array in order to deduce the gamma-ray coincidence information. The results obtained on the high-spin states of such nuclei are used to test the stability of the N = 50 shell closure in the region of Ni-78 (Z = 28). The comparison of the experimental level schemes with the shell-model calculations yields an N = 50 energy gap value of 4.7(3) MeV at Z = 28. This value, in a good agreement with the prediction of the finite-range liquid-drop model as well as with the recent large-scale shell model calculations, does not support a weakening of the N = 50 shell gap down to Z = 28. (c) 2012 Elsevier B.V. All rights reserved.
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