Two proton high spin excitations and dipole bands in 192hg
- Le Coz, Y.
- Astier, A.
- Béraud, R.
- Duffait, R.
- Meyer, M.
- Redon, N.
- Bastin, G.
- Deloncle, I.
- Gall, B.
- Hannachi, F.
- Kaci, M.
- Porquet, M.G.
- Schiick, C.
- Azaiez, F.
- Bourgeois, C.
- Duprat, J.
- Korichi, A.
- Perrin, N.
- Poffe, N.
- Sergolle, H.
- Beausang, C.W.
- Gale, S.J.
- Joyce, M.J.
- Paul, E.S.
- Sharpey-Schafer, J.F.
- Clark, R.M.
- Hauschild, K.
- Wadsworth, R.
- Simpson, J.
- Bentley, M.A.
- Smith, G.
- Hiibel, H.
- Willsau, P.
- De France, G.
- Ahmad, I.
- Carpenter, M.
- Henry, R.
- Janssens, R.V.F.
- Khoo, T.L.
- Lauritsen, T.
DOIAbstract
The 192Hg nucleus has been produced via the 36S(160Gd, 4n) reaction at a beam energy of 159 MeV. The γ-rays have been detected with the multi-detector array EUROGAM phase 1. The level scheme has been extended up to 10.4 MeV excitation energy and spin 34. Two new structures, composed of competing ΔI = 1 and ΔI = 2 transitions, have been observed and, for the first time in Mercury isotopes, some links with the previously known low-lying states have been established. These experimental results are discussed in terms of mean-field Hartree-Fock plus BCS calculations and the new bands are proposed to originate from deformation-aligned quasi-proton excitations. π(i13/2 * h9/2)kπ=11 and π(h9/2)2kπ=8+ coupled to rotation-aligned quasi-neutrons v(i13...
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