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Superdeformation in {sup 91}Tc

A high-spin rotational band with 11 {gamma}-ray transitions has been observed in {sup 91}Tc. The dynamical moment of inertia as well as the transition quadrupole moment of 8.1{sup +1.9}{sub -1.4} eb measured for this band show the characteristics of a superdeformed band. However, the shape is more e...

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Published in:	Physics letters. B 2000-11, Vol.492 (3-4 ; Nov. 2, 2000)
Main Authors:	Ideguchi, E., Cederwall, B., Wyss, R., Back, T., Lagergren, K., Carpenter, M. P., Janssens, R. V. F., Kondev, F. G., Lauritsen, T., Lister, C. J., Seweryniak, D., Wiedenhoever, I., Physics, Royal Inst. of Tech
Format:	Article
Language:	English
Subjects:	ALLOCATIONS CONFIGURATION DEFORMATION MOMENT OF INERTIA NUCLEI PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QUADRUPOLE MOMENTS ROTATIONAL STATES SHAPE SUPERDEFORMED NUCLEI WELLS WOODS-SAXON POTENTIAL
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container_issue	3-4 ; Nov. 2, 2000
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container_title	Physics letters. B
container_volume	492
creator	Ideguchi, E. Cederwall, B. Wyss, R. Back, T. Lagergren, K. Carpenter, M. P. Janssens, R. V. F. Kondev, F. G. Lauritsen, T. Lister, C. J. Seweryniak, D. Wiedenhoever, I. Physics Royal Inst. of Tech
description	A high-spin rotational band with 11 {gamma}-ray transitions has been observed in {sup 91}Tc. The dynamical moment of inertia as well as the transition quadrupole moment of 8.1{sup +1.9}{sub -1.4} eb measured for this band show the characteristics of a superdeformed band. However, the shape is more elongated than in the neighbouring A=80-90 superdeformed nuclei. Theoretical interpretations of the band within the cranked Strutinsky approach based on two different Woods-Saxon potential parameterizations are presented. Even though an unambiguous configuration assignment proved difficult, both calculations indicate a larger deformation and at least three additional high-N intruder orbitals occupied compared to the lighter SD nuclei.
doi_str_mv	10.1016/S0370-2693(00)01114-X
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subjects	ALLOCATIONS CONFIGURATION DEFORMATION MOMENT OF INERTIA NUCLEI PHYSICS OF ELEMENTARY PARTICLES AND FIELDS QUADRUPOLE MOMENTS ROTATIONAL STATES SHAPE SUPERDEFORMED NUCLEI WELLS WOODS-SAXON POTENTIAL
title	Superdeformation in {sup 91}Tc
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