Title: High-spin states and band terminations in As-69
Authors: Stefanescu, Irina ×
Eberth, J
Gersch, G
Steinhardt, T
Thelen, O
Warr, N
Weisshaar, D
Carlsson, BG
Ragnarsson, I
de Angelis, G
Martinez, T
Jungclaus, A
Schwengner, R
Lieb, KP
Stefanova, EA
Curien, D #
Issue Date: Oct-2004
Publisher: American physical soc
Series Title: Physical Review C vol:70 issue:4 pages:-
Abstract: Excited levels in As-69 were studied using the Ca-40(S-32,3p)As-69 reaction at 95 and 105 MeV beam energy. Gamma rays were detected with the EUROBALL spectrometer operated in conjunction with the Neutron Wall and the charged-particle detector array EUCLIDES. New level sequences with positive and negative parity were identified from 3p-gammagamma and gammagammagamma coincidences. Spins were assigned to many of the levels on the basis of directional correlations of oriented states measurements. The previously observed positive-parity band was extended to spin 45/2(+) and it was found to exhibit a crossing with another configuration identified up to spin 53/2(+). Three negative-parity bands were observed for the first time up to spins (43/2(-)), 39/2(-), and (41/2(-)). The previously known band was extended to spin (49/2(-)). No evidence for superdeformation was found, despite very high counting statistics. Configurations were assigned to each of the observed bands through comparisons to the cranked Nilsson-Strutinsky calculations.
ISSN: 0556-2813
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Non-KU Leuven Association publications
× corresponding author
# (joint) last author

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