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Title: Comparison of superdeformed bands in [sup 61]Zn and [sup 60]Zn: Possible evidence for T=0 pairing

Abstract

The yrast superdeformed band in [sup 61]Zn has been established using [sup 28]Si([sup 36]Ar, 2pn)[sup 61]Zn and [sup 40]Ca([sup 29]Si, 2[alpha])[sup 61]Zn fusion-evaporation reactions. The excitation energy of this band was determined via two transitions that link this band to the normally deformed states. Lifetime analysis of this band resulted in a quadrupole moment of Q[sub t]=3.0[plus minus][sub 0.4][sup 0.5]e hthinsp;b, which corresponds to a deformation of [beta][sub 2]=0.50[plus minus][sub 0.06][sup 0.07]. A comparison of the J[sup (2)] dynamical moments of inertia of the yrast superdeformed band in [sup 61]Zn with those in [sup 60]Zn shows a nearly complete blocking of the observed alignment in [sup 60]Zn, indicating that T=0 proton-neutron pair correlations may be present in [sup 60]Zn. [copyright] [ital 1999] [ital The American Physical Society]

Authors:
; ; ; ;  [1];  [2]; ; ; ; ; ;  [3]; ;  [4]; ; ; ; ;  [5]; more »; ;  [6];  [7];  [8] « less
  1. (Physics Division, Oak Ridge National Laboratory, Oak Ridge, Tennessee 37831 (United States))
  2. (Institute of Theoretical Physics, Warsaw University, Hoza 69, PL-00681 Warsaw (Poland))
  3. (Department of Physics and Astronomy, McMaster University, Hamilton, Ontario, L8S 4M1 (CANADA))
  4. (Institut fuer Kernphysik, Universitaet zu Koeln, D-50937 Koeln (Germany))
  5. (Chemistry Department, Washington University, St. Louis, Missouri 63130 (United States))
  6. (Nuclear Science Division, Lawrence Berkeley National Laboratory, Berkeley, California 94720 (United States))
  7. (Oak Ridge Institute for Science and Education, Oak Ridge, Tennessee 37831 (United States))
  8. (Depart
Publication Date:
OSTI Identifier:
6165746
Alternate Identifier(s):
OSTI ID: 6165746
Resource Type:
Journal Article
Journal Name:
Physical Review, C
Additional Journal Information:
Journal Volume: 60:3; Journal ID: ISSN 0556-2813
Country of Publication:
United States
Language:
English
Subject:
73 NUCLEAR PHYSICS AND RADIATION PHYSICS; ARGON 36 REACTIONS; CALCIUM 40 TARGET; HEAVY ION FUSION REACTIONS; HEAVY ION REACTIONS; MOMENT OF INERTIA; QUADRUPOLE MOMENTS; SILICON 28 TARGET; SILICON 29 REACTIONS; SUPERDEFORMED NUCLEI; YRAST STATES; ZINC 60; ZINC 61; BETA DECAY RADIOISOTOPES; BETA-PLUS DECAY RADIOISOTOPES; CHARGED-PARTICLE REACTIONS; DEFORMED NUCLEI; ELECTRON CAPTURE RADIOISOTOPES; ENERGY LEVELS; EVEN-EVEN NUCLEI; EVEN-ODD NUCLEI; INTERMEDIATE MASS NUCLEI; ISOTOPES; MINUTES LIVING RADIOISOTOPES; NUCLEAR REACTIONS; NUCLEI; NUCLEOSYNTHESIS; RADIOISOTOPES; SYNTHESIS; TARGETS; ZINC ISOTOPES 663110* -- General & Average Properties of Nuclei & Nuclear Energy Levels-- (1992-)

Citation Formats

Yu, C., Baktash, C., Galindo-Uribarri, A., Paul, S.D., Radford, D.C., Dobaczewski, J., Cameron, J.A., Haslip, D.S., Lampman, T.J., Svensson, C.E., Waddington, J.C., Wilson, J.N., Chitu, C., Eberth, J., Devlin, M., LaFosse, D.R., Lerma, F., Sarantites, D.G., Wilson, J.N., Lee, I., Macchiavelli, A.O., Svensson, C.E., Paul, S.D., and Rudolph, D. Comparison of superdeformed bands in [sup 61]Zn and [sup 60]Zn: Possible evidence for T=0 pairing. United States: N. p., 1999. Web. doi:10.1103/PhysRevC.60.031305.
Yu, C., Baktash, C., Galindo-Uribarri, A., Paul, S.D., Radford, D.C., Dobaczewski, J., Cameron, J.A., Haslip, D.S., Lampman, T.J., Svensson, C.E., Waddington, J.C., Wilson, J.N., Chitu, C., Eberth, J., Devlin, M., LaFosse, D.R., Lerma, F., Sarantites, D.G., Wilson, J.N., Lee, I., Macchiavelli, A.O., Svensson, C.E., Paul, S.D., & Rudolph, D. Comparison of superdeformed bands in [sup 61]Zn and [sup 60]Zn: Possible evidence for T=0 pairing. United States. doi:10.1103/PhysRevC.60.031305.
Yu, C., Baktash, C., Galindo-Uribarri, A., Paul, S.D., Radford, D.C., Dobaczewski, J., Cameron, J.A., Haslip, D.S., Lampman, T.J., Svensson, C.E., Waddington, J.C., Wilson, J.N., Chitu, C., Eberth, J., Devlin, M., LaFosse, D.R., Lerma, F., Sarantites, D.G., Wilson, J.N., Lee, I., Macchiavelli, A.O., Svensson, C.E., Paul, S.D., and Rudolph, D. Wed . "Comparison of superdeformed bands in [sup 61]Zn and [sup 60]Zn: Possible evidence for T=0 pairing". United States. doi:10.1103/PhysRevC.60.031305.
@article{osti_6165746,
title = {Comparison of superdeformed bands in [sup 61]Zn and [sup 60]Zn: Possible evidence for T=0 pairing},
author = {Yu, C. and Baktash, C. and Galindo-Uribarri, A. and Paul, S.D. and Radford, D.C. and Dobaczewski, J. and Cameron, J.A. and Haslip, D.S. and Lampman, T.J. and Svensson, C.E. and Waddington, J.C. and Wilson, J.N. and Chitu, C. and Eberth, J. and Devlin, M. and LaFosse, D.R. and Lerma, F. and Sarantites, D.G. and Wilson, J.N. and Lee, I. and Macchiavelli, A.O. and Svensson, C.E. and Paul, S.D. and Rudolph, D.},
abstractNote = {The yrast superdeformed band in [sup 61]Zn has been established using [sup 28]Si([sup 36]Ar, 2pn)[sup 61]Zn and [sup 40]Ca([sup 29]Si, 2[alpha])[sup 61]Zn fusion-evaporation reactions. The excitation energy of this band was determined via two transitions that link this band to the normally deformed states. Lifetime analysis of this band resulted in a quadrupole moment of Q[sub t]=3.0[plus minus][sub 0.4][sup 0.5]e hthinsp;b, which corresponds to a deformation of [beta][sub 2]=0.50[plus minus][sub 0.06][sup 0.07]. A comparison of the J[sup (2)] dynamical moments of inertia of the yrast superdeformed band in [sup 61]Zn with those in [sup 60]Zn shows a nearly complete blocking of the observed alignment in [sup 60]Zn, indicating that T=0 proton-neutron pair correlations may be present in [sup 60]Zn. [copyright] [ital 1999] [ital The American Physical Society]},
doi = {10.1103/PhysRevC.60.031305},
journal = {Physical Review, C},
issn = {0556-2813},
number = ,
volume = 60:3,
place = {United States},
year = {1999},
month = {9}
}