Lifetime measurement in excited and yrast superdeformed bands in Hg 194

Lifetime measurement in excited and yrast superdeformed bands in Hg 194

Nuclear level lifetimes have been measured in two superdeformed bands in Hg-194 using the Doppler-shift attenuation method. Average transition quadrupole moments derived from the life-times of an excited and yrast superdeformed bands are Q(t) = 17.6(30) and 17.2(20) eb, respectively. The Doppler shi...

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Veröffentlicht in:Physical review letters 1994-02, Vol.72 (6), p.824-827
Hauptverfasser: Hughes, J. R., Ahmad, I., Becker, J. A., Brinkman, M. J., Carpenter, M. P., Cederwall, B., Deleplanque, M. A., Diamond, R. M., Draper, J. E., Duyar, C., Fallon, P., Harfenist, S., Henry, E. A., Henry, R. G., Hoff, R. W., Janssens, R. V. F., Khoo, T. L., Lauritsen, T., Lee, I. Y., Rubel, E., Stephens, F. S., Stoyer, M. A.
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Sprache:eng
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Zusammenfassung:Nuclear level lifetimes have been measured in two superdeformed bands in Hg-194 using the Doppler-shift attenuation method. Average transition quadrupole moments derived from the life-times of an excited and yrast superdeformed bands are Q(t) = 17.6(30) and 17.2(20) eb, respectively. The Doppler shifts of the excited band relative to the yrast band indicate a slight difference in quadrupole moments [+4(5)%], assuming similar side feeding. These results imply that the second well is stable and rigid with respect to the particle excitation responsible for this excited band.
ISSN:0031-9007
1079-7114
DOI:10.1103/PhysRevLett.72.824