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2006•Unpublished venueRequires access

Signature Inversion in πh_(9/2)vi_(13/2) Oblate Band of ~(188)Tl

Zhou Xiao

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Abstract

High-spin Level structure of 188T1 has been studied via 157Gd(35Cl,4n) fusion-evaporation reaction at beam energy of 170MeV. A rotational band built on the πh9/2 (?) vi13/2 configuration with oblate deformation has been established. Spin values have been proposed to the πhg/2 (?)vi13/2 oblate band based on the similarities between the oblate band of 188T1 and those in odd-odd 190- 200Tl. With the spin assignments, the low-spin signature inversion has been revealed for the πh9/2 (?)vi13/2 oblate band of 188Tl. The low-spin signature inversion can be interpreted qualitatively in the framework of the quasi-particles plus rotor model including a J dependent p-n residual interaction.

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What this paper is about

High-spin Level structure of 188T1 has been studied via 157Gd(35Cl,4n) fusion-evaporation reaction at beam energy of 170MeV. A rotational band built on the πh9/2 (?) vi13/2 configuration with oblate deformation has been established. Spin values have been proposed to the πhg/2 (?)vi13/2 oblate band based on the similarities between the oblate band of 188T1 and those in odd-odd 190- 200Tl. With the spin assignments, the low-spin signature inversion has been revealed for the πh9/2 (?)vi13/2 oblate band of 188Tl. The low-spin signature inversion can be interpreted qualitatively in the framework of the quasi-particles plus rotor model including a J dependent p-n residual interaction.

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Available abstract

High-spin Level structure of 188T1 has been studied via 157Gd(35Cl,4n) fusion-evaporation reaction at beam energy of 170MeV. A rotational band built on the πh9/2 (?) vi13/2 configuration with oblate deformation has been established. Spin values have been proposed to the πhg/2 (?)vi13/2 oblate band based on the similarities between the oblate band of 188T1 and those in odd-odd 190- 200Tl. With the spin assignments, the low-spin signature inversion has been revealed for the πh9/2 (?)vi13/2 oblate band of 188Tl. The low-spin signature inversion can be interpreted qualitatively in the framework of the quasi-particles plus rotor model including a J dependent p-n residual interaction.

Key concepts: Oblate spheroid, Physics, Beam energy, Inversion (geology), Signature (topology), Atomic physics, Spin (aerodynamics), Residual

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Signature Inversion in πh_(9/2)vi_(13/2) Oblate Band of ~(188)Tl — Research Paper | ScholarLens