The γ decay following the Coulomb excitation of 68Ni at 600 AMeV has been measured using the RISING array at GSI, The 68Ni beam has been produced from the fragmentation of 86Kr at 900 AMeV from the UNILAC-SIS on a 9Be target and selected using the Fragment Separator. After the selection of Coulomb excited 68Ni isotopes a peak centered at approximately 10.8 MeV has been observed in all type of RISING γ detectors. Because of the reaction mechanism the measured peak is interpreted to have a dipole nature and to come from the Pygmy Dipole Resonance. The measured data are consistent with the predictions of the Relativistic Mean Field and the Random Phase Approximation approaches.
Coulomb excitation of68Ni at 600 AMeV
Blasi N.;Napoli D.;Balabanski D.;Lo Bianco G.;Petrache C.;Saltarelli A.;
2007-01-01
Abstract
The γ decay following the Coulomb excitation of 68Ni at 600 AMeV has been measured using the RISING array at GSI, The 68Ni beam has been produced from the fragmentation of 86Kr at 900 AMeV from the UNILAC-SIS on a 9Be target and selected using the Fragment Separator. After the selection of Coulomb excited 68Ni isotopes a peak centered at approximately 10.8 MeV has been observed in all type of RISING γ detectors. Because of the reaction mechanism the measured peak is interpreted to have a dipole nature and to come from the Pygmy Dipole Resonance. The measured data are consistent with the predictions of the Relativistic Mean Field and the Random Phase Approximation approaches.I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
