The high energy γ-rays from the fusion-evaporation reaction 101 MeV 19F + 181Ta have been measured in coincidence with different γ-ray fold windows or discrete γ-rays in final residual nuclei. The line-shape analysis of the high energy γ-ray spectra confirms the large deformation of the 200Pb nuclei at high angular momenta. Coincidences with discrete γ-transitions evidence a strong correlation between γ-rays in the Giant Dipole Resonance region (Eγ ≥ 8 MeV) and final evaporation residues.
Inclusive and exclusive measurements of high energy γ-rays in the 101 MeV 19F + 181Ta fusion reaction
LUNARDON, MARCELLO;VIESTI, GIUSEPPE;PAVAN, PIETRO;
2000
Abstract
The high energy γ-rays from the fusion-evaporation reaction 101 MeV 19F + 181Ta have been measured in coincidence with different γ-ray fold windows or discrete γ-rays in final residual nuclei. The line-shape analysis of the high energy γ-ray spectra confirms the large deformation of the 200Pb nuclei at high angular momenta. Coincidences with discrete γ-transitions evidence a strong correlation between γ-rays in the Giant Dipole Resonance region (Eγ ≥ 8 MeV) and final evaporation residues.
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