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Title: Breakdown of K Selection in {sup 178}Hf

Abstract

Coulomb activation of the four quasiparticle K{sup {pi}}=16{sup +} {sup 178}Hf isomer (t{sub 1/2}=31 y) has led to the measurement of a set of E{lambda} matrix elements coupling the isomer band to the ground band. The present data combined with earlier {sup 178}Hf Coulomb excitation data have probed the K components in the wave functions and revealed the onset and saturation of K mixing in low-K bands, whereas the mixing is negligible in the high-K bands. The implications can be applied to other quadrupole-deformed nuclei.

Authors:
; ; ; ;  [1]; ; ; ; ; ; ;  [2];  [3]; ; ;  [4]; ; ; ;  [5]
  1. Nuclear Structure Research Laboratory, Department of Physics, University of Rochester, Rochester, New York 14627 (United States)
  2. Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut 06520 (United States)
  3. Physics Department, University of Richmond, Richmond, Virginia 23173 (United States)
  4. GSI, Gesellschaft fuer Schwerionenforschung, Planckstrasse 1, D-64291 Darmstadt (Germany)
  5. Physics Division, Argonne National Laboratory, Argonne, Illinois 60439 (United States) (and others)
Publication Date:
OSTI Identifier:
20777008
Resource Type:
Journal Article
Resource Relation:
Journal Name: Physical Review Letters; Journal Volume: 96; Journal Issue: 4; Other Information: DOI: 10.1103/PhysRevLett.96.042505; (c) 2006 The American Physical Society; Country of input: International Atomic Energy Agency (IAEA)
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; COULOMB EXCITATION; DEFORMED NUCLEI; HAFNIUM 178; HIGH SPIN STATES; ISOMERS; MATRIX ELEMENTS; QUADRUPOLES; ROTATIONAL STATES; WAVE FUNCTIONS

Citation Formats

Hayes, A.B., Cline, D., Wu, C.Y., Simon, M.W., Teng, R., Ai, J., Amro, H., Casten, R.F., Hecht, A.A., Heinz, A., Hughes, R., Meyer, D.A., Beausang, C., Gerl, J., Schlegel, Ch., Wollersheim, H.J., Janssens, R.V.F., Lister, C.J., Moore, E.F., and Pardo, R.C. Breakdown of K Selection in {sup 178}Hf. United States: N. p., 2006. Web. doi:10.1103/PhysRevLett.96.042505.
Hayes, A.B., Cline, D., Wu, C.Y., Simon, M.W., Teng, R., Ai, J., Amro, H., Casten, R.F., Hecht, A.A., Heinz, A., Hughes, R., Meyer, D.A., Beausang, C., Gerl, J., Schlegel, Ch., Wollersheim, H.J., Janssens, R.V.F., Lister, C.J., Moore, E.F., & Pardo, R.C. Breakdown of K Selection in {sup 178}Hf. United States. doi:10.1103/PhysRevLett.96.042505.
Hayes, A.B., Cline, D., Wu, C.Y., Simon, M.W., Teng, R., Ai, J., Amro, H., Casten, R.F., Hecht, A.A., Heinz, A., Hughes, R., Meyer, D.A., Beausang, C., Gerl, J., Schlegel, Ch., Wollersheim, H.J., Janssens, R.V.F., Lister, C.J., Moore, E.F., and Pardo, R.C. Fri . "Breakdown of K Selection in {sup 178}Hf". United States. doi:10.1103/PhysRevLett.96.042505.
@article{osti_20777008,
title = {Breakdown of K Selection in {sup 178}Hf},
author = {Hayes, A.B. and Cline, D. and Wu, C.Y. and Simon, M.W. and Teng, R. and Ai, J. and Amro, H. and Casten, R.F. and Hecht, A.A. and Heinz, A. and Hughes, R. and Meyer, D.A. and Beausang, C. and Gerl, J. and Schlegel, Ch. and Wollersheim, H.J. and Janssens, R.V.F. and Lister, C.J. and Moore, E.F. and Pardo, R.C.},
abstractNote = {Coulomb activation of the four quasiparticle K{sup {pi}}=16{sup +} {sup 178}Hf isomer (t{sub 1/2}=31 y) has led to the measurement of a set of E{lambda} matrix elements coupling the isomer band to the ground band. The present data combined with earlier {sup 178}Hf Coulomb excitation data have probed the K components in the wave functions and revealed the onset and saturation of K mixing in low-K bands, whereas the mixing is negligible in the high-K bands. The implications can be applied to other quadrupole-deformed nuclei.},
doi = {10.1103/PhysRevLett.96.042505},
journal = {Physical Review Letters},
number = 4,
volume = 96,
place = {United States},
year = {Fri Feb 03 00:00:00 EST 2006},
month = {Fri Feb 03 00:00:00 EST 2006}
}