A PAIR OF IDENTICAL SUPERDEFORMED BANDS IN ND-136

A PAIR OF IDENTICAL SUPERDEFORMED BANDS IN ND-136

High-spin states in Nd-136 were populated via the Mo-100(Ar-40, 4n) reaction at beam energies of 176 and 182 MeV, and resulting gamma-rays were detected using the GAMMASPHERE spectrometer. Analysis of the data has revealed the existence of an excited superdeformed (SD) band in Nd-136. Th, yrast SD b...

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Veröffentlicht in:Physics letters. B 1995-01, Vol.343 (1-4), p.59
Hauptverfasser: CLARK, RM, DELEPLANQUE, MA, Cederwall, Bo, DIAMOND, RM, FALLON, P, LEE, IY, MACCHIAVELLI, AO, STEPHENS, FS, BECKER, JA, BRINKMAN, MJ, FARRIS, LP, HENRY, EA, HUGHES, JR, STOYER, MA, DRAPER, JE, DUYAR, C, RUBEL, E, HUBEL, H, KORTEN, W, WILLSAU, P
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Sprache:eng
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Zusammenfassung:High-spin states in Nd-136 were populated via the Mo-100(Ar-40, 4n) reaction at beam energies of 176 and 182 MeV, and resulting gamma-rays were detected using the GAMMASPHERE spectrometer. Analysis of the data has revealed the existence of an excited superdeformed (SD) band in Nd-136. Th, yrast SD band in Nd-136 has been extended by the addition of four (possibly five) transitions at high frequency. The new band displays the remarkable property of having transition energies identical (to within +/- 1 keV) to those of the half-points of the yrast SD band of Nd-136. Possible explanations in terms of cranked Woods-Saxon single-particle calculations are discussed.
ISSN:0370-2693
1873-2445
DOI:10.1016/0370-2693(94)01439-J