Physics – Nuclear Physics – Nuclear Experiment
Scientific paper
2009-10-27
Phys.Lett.B686:18-22,2010
Physics
Nuclear Physics
Nuclear Experiment
Scientific paper
10.1016/j.physletb.2010.02.031
A rotational band with five $\gamma$-ray transitions ranging from 2$^{+}$ to 12$^{+}$ states was identified in $^{40}$Ar. This band is linked through $\gamma$ transitions from the excited 2$^{+}$, 4$^{+}$ and 6$^{+}$ levels to the low-lying states; this determines the excitation energy and the spin-parity of the band. The deduced transition quadrupole moment of 1.45$^{+0.49}_{-0.31} eb$ indicates that the band has a superdeformed shape. The nature of the band is revealed by cranked Hartree--Fock--Bogoliubov calculations and a multiparticle--multihole configuration is assigned to the band.
Furutaka Kazuyoshi
Harada Hideo
Hatsukawa Yuichi
Hirayama Yoshiharu
Ideguchi Eiji
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