Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - The yrast superdeformed band in 194Pb. Differences with 192Hg
AU - Gall, B.J.P.
AU - Deloncle, I.
AU - Porquet, M.-G.
AU - Hannachi, F.
AU - Aïche, M.
AU - Azaiez, F.
AU - Bastin, G.
AU - Beausang, C.W.
AU - Béraud, R.
AU - Bourgeois, C.
AU - Clark, R.M.
AU - Duffait, R.
AU - Duprat, J.
AU - Hauschild, K.
AU - Hübel, H.
AU - Joyce, M.J.
AU - Kaci, M.
AU - Korichi, A.
AU - Le Coz, Y.
AU - Meyer, M.
AU - Paul, E.S.
AU - Perrin, N.
AU - Poffé, N.
AU - Redon, N.
AU - Schück, C.
AU - Sergolle, H.
AU - Sharpey-Schafer, J.F.
AU - Smith, A.G.
AU - Wadsworth, R.
PY - 1995
Y1 - 1995
N2 - The yrast superdeformed (SD) structure of 194Pb has been studied using the EUROGAM γ-ray spectrometer. New results have been obtained at low as well as at high spin values. At low frequency, the SD band has been extended to the lowest-spin SD state ever observed in the A ∼ 190 region. The energies of 194Pb and 192Hg SD bands are identical for ω < 0.25 MeV. However, they diverge for higher frequency, which rules out the idea that these two SD bands are identical. Moreover, the SD band of 194Pb is populated at lower spin values than that of 192Hg and de-excites towards normally-deformed (ND) states at a spin value lower than that of 192Hg. This suggests that the barrier separating the SD and ND minima in the potential energy surface is higher in 194Pb than in 192Hg.
AB - The yrast superdeformed (SD) structure of 194Pb has been studied using the EUROGAM γ-ray spectrometer. New results have been obtained at low as well as at high spin values. At low frequency, the SD band has been extended to the lowest-spin SD state ever observed in the A ∼ 190 region. The energies of 194Pb and 192Hg SD bands are identical for ω < 0.25 MeV. However, they diverge for higher frequency, which rules out the idea that these two SD bands are identical. Moreover, the SD band of 194Pb is populated at lower spin values than that of 192Hg and de-excites towards normally-deformed (ND) states at a spin value lower than that of 192Hg. This suggests that the barrier separating the SD and ND minima in the potential energy surface is higher in 194Pb than in 192Hg.
U2 - 10.1016/0370-2693(94)01514-D
DO - 10.1016/0370-2693(94)01514-D
M3 - Journal article
VL - 345
SP - 124
EP - 130
JO - Physics Letters B
JF - Physics Letters B
SN - 0370-2693
IS - 2
ER -