Open AccessHigh-spin structure ofCl 37 sd − fp
Author(s) -
M. Ionescu–Bujor,
A. Iordăchescu,
S. M. Lenzi,
D. R. Napoli,
N. Mărginean,
N. H. Medina,
D. Bazzacco,
D. Bucurescu,
G. de Angelis,
F. Della Vedova,
E. Farnea,
A. Gadea,
R. Menegazzo,
S. Lunardi,
C. A. Ur,
Silvio Zilio,
Tomohiro Otsuka,
Y. Utsuno
Publication year - 2009
Publication title -
physical review c
Language(s) - English
Resource type - Journals
eISSN - 1089-490X
pISSN - 0556-2813
DOI - 10.1103/physrevc.80.034314
Subject(s) - physics , valence (chemistry) , spins , atomic physics , excitation , energy (signal processing) , crystallography , condensed matter physics , chemistry , quantum mechanics
The structure of the N=20 nucleus 37Cl has been investigated in the 24Mg(16O,3p) reaction with a 70 MeV 16O beam. A complex level scheme extended up to an excitation energy of 17 MeV and spins (29/2+) and (27/2-) on positive and negative parity, respectively, has been established. Lifetimes for the new states have been investigated by the Doppler shift attenuation method. Large-scale shell-model calculations have been performed in a valence space involving orbitals in the sd and fp shells using the sdfp and SDPF-M effective interactions. The comparison with the experimental data indicates the need for slight changes of the sd-fp energy gaps produced by these interactions
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