The ridge structure at ΔEγ=±30 keV, observed previously in the reaction 187 MeV 37Cl+120Sn and attributed to an hyperdeformed nuclear shape, has been studied in a high statistics proton-γ coincidence experiment. The presence of the ridge is confirmed but it is correlated to a set of γ-ray energies different from those proposed in earlier works. Some discrete transitions associated with this structure, which accounts for only ∼3×10-5 of the fusion evaporation cross section, are proposed.
ΔEγ=30 keV ridge observed in the 37Cl+120Sn reaction
LUNARDON, MARCELLO;VIESTI, GIUSEPPE;LUNARDI, SANTO;
1997
Abstract
The ridge structure at ΔEγ=±30 keV, observed previously in the reaction 187 MeV 37Cl+120Sn and attributed to an hyperdeformed nuclear shape, has been studied in a high statistics proton-γ coincidence experiment. The presence of the ridge is confirmed but it is correlated to a set of γ-ray energies different from those proposed in earlier works. Some discrete transitions associated with this structure, which accounts for only ∼3×10-5 of the fusion evaporation cross section, are proposed.File in questo prodotto:
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