Decay properties of 68,69,70Mn: Probing collectivity up to N=44 in Fe isotopic chain
- Benzoni, G.
- Morales, A.I.
- Watanabe, H.
- Nishimura, S.
- Coraggio, L.
- Itaco, N.
- Gargano, A.
- Browne, F.
- Daido, R.
- Doornenbal, P.
- Fang, Y.
- Lorusso, G.
- Patel, Z.
- Rice, S.
- Sinclair, L.
- Söderström, P.-A.
- Sumikama, T.
- Wu, J.
- Xu, Z.Y.
- Yokoyama, R.
- Baba, H.
- Avigo, R.
- Bello Garrote, F.L.
- Blasi, N.
- Bracco, A.
- Camera, F.
- Ceruti, S.
- Crespi, F.C.L.
- de Angelis, G.
- Delattre, M.-C.
- Dombradi, Zs.
- Gottardo, A.
- Isobe, T.
- Kuti, I.
- Matsui, K.
- Melon, B.
- Mengoni, D.
- Miyazaki, T.
- Modamio-Hoybjor, V.
- Momiyama, S.
- Napoli, D.R.
- Niikura, M.
- Orlandi, R.
- Sakurai, H.
- Sahin, E.
- Sohler, D.
- Taniuchi, R.
- Taprogge, J.
- Vajta, Zs.
- Valiente-Dobón, J.J.
- Wieland, O.
- Yalcinkaya, M.
DOIAbstract
AbstractThe β decays Mn68→Fe68, Mn69→Fe69 and Mn70→Fe70 have been measured at the RIBF facility at RIKEN using the EURICA γ spectrometer combined with an active stopper consisting of a stack of Si detectors. The nuclei were produced as fission fragments from a beam of 238U at a bombarding energy of 345 MeV/nucleon impinging on a Be target and selected using the BigRIPS separator. Half-lives and β-delayed neutron emission probabilities have been extracted for these decays, together with first experimental information on excited states populated in 69,70Fe. The data indicate a continuously increasing deformation for Fe isotopes up to A=70. This is interpreted, as for Cr isotopes, in terms of the interplay between the quadrupole correlations o...
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