First evidence for triaxial superdeformation in 168Hf
H Amro, PG Varmette, WC Ma, B Herskind… - Physics Letters B, 2001 - Elsevier
H Amro, PG Varmette, WC Ma, B Herskind, GB Hagemann, G Sletten, RVF Janssens…
Physics Letters B, 2001•ElsevierThree superdeformed (SD) bands have been found in 168Hf. Lifetime measurements
revealed a large quadrupole moment, Q t∼ 11.4 eb, for the strongest band (TSD1).
Theoretical calculations using the Ultimate Cranker code predict high-spin SD minima (ϵ2∼
0.43) with stable triaxial deformations of γ∼+ 20° and γ∼− 15°. The measured Qt value
suggests that band TSD1 corresponds, most likely, to a deformation with a positive γ value.
This constitutes the first evidence for triaxial superdeformation in an even proton system.
revealed a large quadrupole moment, Q t∼ 11.4 eb, for the strongest band (TSD1).
Theoretical calculations using the Ultimate Cranker code predict high-spin SD minima (ϵ2∼
0.43) with stable triaxial deformations of γ∼+ 20° and γ∼− 15°. The measured Qt value
suggests that band TSD1 corresponds, most likely, to a deformation with a positive γ value.
This constitutes the first evidence for triaxial superdeformation in an even proton system.
Three superdeformed (SD) bands have been found in 168Hf. Lifetime measurements revealed a large quadrupole moment, Q t∼11.4 e b , for the strongest band (TSD1). Theoretical calculations using the Ultimate Cranker code predict high-spin SD minima (ϵ2∼0.43) with stable triaxial deformations of γ∼+20° and γ∼−15°. The measured Qt value suggests that band TSD1 corresponds, most likely, to a deformation with a positive γ value. This constitutes the first evidence for triaxial superdeformation in an even proton system.
Elsevier
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