Computer Science
Scientific paper
Jun 2003
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2003cgrs.conf..672g&link_type=abstract
CAPTURE GAMMA-RAY SPECTROSCOPY AND RELATED TOPICS. Proceedings of the Eleventh International Symposium. Held 2-6 September 2002
Computer Science
Scientific paper
The well deformed ( ˜ 0.3) nucleus 159Gd was investigated by means of radiative neutron capture and single neutron transfer reactions. The (n, γ) reaction was studied with thermal and resonance neutrons. Secondary γ-rays were investigated with the GAMS2/3 bent-crystal spectrometers at the Institute Laue-Langevin Grenoble. Primary γ-rays were studied with 2 and 24 keV neutrons using the Average Resonance Capture technique and a pair spectrometer at Brookhaven. The single neutron stripping and pick up reactions (d,p) and (ěc{d},t) were investigated at the Tandem van de Graaff accelerator of the University and Technical University Munich with unpolarized 18 MeV and polarized 22 MeV deuteron beams, respectively. All experiments resulted in the combined observation of about 300 levels up to 3 MeV. The decay scheme for this nucleus has been completed and expanded up to 1.2 MeV. Evidence of vibrational phonons coupled to single particle states is reported for the first time in this nucleus. The level density was derived and compared with the Fermi gas constant temperature model formula. A preliminary model calculation based on the quasi-particle-phonon model has been undertaken in an attempt to describe the level scheme and structure of this nucleus.
Aprahamian Ani
Börner H.
Chrien Robert E.
Egidy von T.
Eisermann Y.
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