Neutron-proton pairing in the N=Z radioactive fp-shell nuclei $^{56}$Ni and $^{52}$Fe probed by pair transfer
- Le Crom, B.
- Assié, M.
- Blumenfeld, Y.
- Guillot, J.
- Sagawa, H.
- Suzuki, T.
- Honma, M.
- Achouri, N.L.
- Bastin, B.
- Borcea, R.
- Catford, W.N.
- Clément, E.
- Caceres, L.
- Caamano, M.
- Corsi, A.
- de France, G.
- Delaunay, F.
- de Séréville, N.
- Fernandez-Dominguez, B.
- Fisichella, M.
- Franchoo, S.
- Georgiadou, A.
- Gibelin, J.
- Gillibert, A.
- Hammache, F.
- Kamalou, O.
- Knapton, A.
- Lapoux, V.
- Leblond, S.
- Macchiavelli, A.O.
- Marques, F.M.
- Matta, A.
- Menager, L.
- Morfouace, P.
- Orr, N.A.
- Pancin, J.
- Pereira-Lopez, X.
- Perrot, L.
- Piot, J.
- Pollacco, E.
- Ramos, D.
- Roger, T.
- Rotaru, F.
- Sanchez-Benitez, A.M.
- Sénoville, M.
- Sorlin, O.
- Stanoiu, M.
- Stefan, I.
- Stodel, C.
- Suzuki, D.
- Thomas, J-C
- Vandebrouck, M.
DOIAbstract
International audienceThe isovector and isoscalar components of neutron-proton pairing are investigated in the N=Z unstable nuclei of the fp-shell through the two-nucleon transfer reaction (p,3He) in inverse kinematics. The combination of particle and gamma-ray detection with radioactive beams of 56Ni and 52Fe, produced by fragmentation at the GANIL/LISE facility, made it possible to carry out this study for the first time in a closed and an open-shell nucleus in the fp-shell. The transfer cross-sections for ground-state to ground-state (J=0+, T=1) and to the first (J=1+, T=0) state were extracted for both cases together with the transfer cross-section ratios σ(0+,T=1)/σ(1+,T=0). They are compared with second-order distorted-wave born appro...
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