The high-spin states in 45Sc, 45Ti and 43Ca were studied with the GASP multidetector array coupled with the Recoil Mass Spectrometer in Legnaro. The nuclei were excited in the 30Si+60 MeV 18O reaction. Life-times were extracted from the analysis of the Doppler shift attenuation of gammas emitted in the reversed kinematics 12C+35Cl reaction. Energies and the transition probabilities for the observed negative-parity states agree with the shell model predictions. The lifetimes of the intruder-positive parity states in 45Sc and 45Ti suggest a deformation (\beta \approx 0.25) associated with the particle-hole excitation in the nuclei.

Collective High Spin States in the Light Odd f7/2 Nuclei

LUNARDI, SANTO;SCARLASSARA, FERNANDO;SEGATO, GIANFRANCO;SIGNORINI, COSIMO;SORAMEL, FRANCESCA;
1996

Abstract

The high-spin states in 45Sc, 45Ti and 43Ca were studied with the GASP multidetector array coupled with the Recoil Mass Spectrometer in Legnaro. The nuclei were excited in the 30Si+60 MeV 18O reaction. Life-times were extracted from the analysis of the Doppler shift attenuation of gammas emitted in the reversed kinematics 12C+35Cl reaction. Energies and the transition probabilities for the observed negative-parity states agree with the shell model predictions. The lifetimes of the intruder-positive parity states in 45Sc and 45Ti suggest a deformation (\beta \approx 0.25) associated with the particle-hole excitation in the nuclei.
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11577/2504164
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