1(-) and 2(+) discrete states in Zr-90 populated via the (O-17, O-17 'gamma) reaction
- Crespi, F.C.L.
- Bracco, A.
- Nicolini, R.
- Lanza, E.G.
- Vitturi, A.
- Mengoni, D.
- Leoni, S.
- Benzoni, G.
- Blasi, N.
- Boiano, C.
- Bottoni, S.
- Brambilla, S.
- Camera, F.
- Corsi, A.
- Giaz, A.
- Million, B.
- Pellegri, L.
- Vandone, V.
- Wieland, O.
- Bednarczyk, P.
- Ciemala, M.
- Kmiecik, M.
- Krzysiek, M.
- Maj, A.
- Bazzacco, D.
- Bellato, M.
- Birkenbach, B.
- Bortolato, D.
- Calore, E.
- Cederwall, B.
- De Angelis, G.
- Desesquelles, P.
- Eberth, J.
- Farnea, E.
- Gadea, A.
- Gorgen, A.
- Gottardo, A.
- Hess, H.
- Isocrate, R.
- Jolie, J.
- Jungclaus, A.
- Kempley, R.S.
- Labiche, M.
- Menegazzo, R.
- Michelagnoli, C.
- Molini, P.
- Napoli, D.R.
- Pullia, A.
- Quintana, B.
- Recchia, F.
- Reiter, P.
- Sahin, E.
- Siem, S.
- Soderstrom, P.A.
- Stezowski, O.
- Theisen, C.
- Ur, C.
- Valiente-Dobon, J.J.
DOIAbstract
International audience2(+) and 1(-) states in Zr-90 were populated via the (O-17, O-17 'gamma) reaction at 340 MeV. The gamma decay was measured with high resolution using the AGATA (advanced gamma tracking array demonstrator array). Differential cross sections were obtained at few different angles for the scattered particle. The results of the elastic scattering and inelastic excitation of 2(+), 3(,)(-) and 1(-) states are compared with distorted-wave Born approximation (DWBA) calculations, using both the standard collective form factor and a form factor obtained by folding microscopically calculated transition densities. This allowed to extract the isoscalar component of the 1(-) state at 6.424 MeV. The comparison of the present (17O, 17O...
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