Irregularities in Side-Feeding Patterns, Energies, and Multipolarities in the<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:mmultiscripts><mml:mrow><mml:mi mathvariant="normal">Er</mml:mi></mml:mrow><mml:mprescripts /><mml:mrow /><mml:mrow><mml:mn>154</mml:mn></mml:mrow><mml:mrow /><mml:mrow /></mml:mmultiscripts></mml:mrow></mml:math>Yrast Cascade to Spin 36

Baktash, C.; Mateosian, E. der; Kistner, O. C.; Sunyar, A.W.

doi:10.1103/physrevlett.42.637

Cited by 51 publications

(14 citation statements)

References 10 publications

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“…Examples of prompt V-7 coincident spectra which fulfill the requirement that at least one delayed v-rays has been detected in one of the 12 Nal counters clearly shows the presence of a fourth unresolved doublet, Besides the confirmation of the new lines and the discovery of several doublets, the 7-7 coincidence data establish two new cross-over transition (E~=772 keV and 920 keV). Contrary to what was reported in [3] it can be easily seen in Fig. 3c that the gating E~= 772.3 keV transition is not in coincidence with the rather strong 675 keV y-ray but in parallel with the 675.6 keV + 96.8 keV cascade.…”

Section: Ill Experimental Resultscontrasting

confidence: 80%

“…These contaminants could easily be identified in the excitation function measurement performed at three bombarding energies (140, 150 and 160 MeV) with the detector placed at 0~=55 ~ with respect to the beam. All the 7-rays already reported by Aguer et al [6] and Baktash et al [3] are present in the spectrum of Fig. 2 Fig.…”

Section: Ill Experimental Resultsmentioning

confidence: 85%

“…In the case of l~4Er there are, however, serious discrepancies in the level ordering cf. [3,6,7] and in the lifetime measurements [6,7] reported by different authors. As a consequence the deduced E2 transition rates seem uncertain.…”

Section: Introductionmentioning

confidence: 92%

“…The dominant single particle character of the high-spin Yrast states in ~4Er Refs. [2,3], 152Dy Ref. [4] and 153Ho Ref.…”

Section: Introductionmentioning

confidence: 99%

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High-spin structure in154Er

Beck¹,

Dudek²,

Haas³

et al. 1984

Z Physik A

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High spin states in the nucleus lS4Er have been reinvestigated using the *23Sb(asc1, 4n) reaction and a variety of spectroscopic techniques including excitation functions, 7-7 coincidences, 7 angular distribution and linear polarization measurements. From the measured energies, relative intensities and transition multipolarities a new level scheme has been deduced up to an excitation energy of ~ 12 MeV and spin 36. An interpretation of the experimental results is given in terms of the deformed Woods-Saxon orbitals. Gigantic backbending (superdeformation) effect is studied theoretically within the cranking model.

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Section: Ill Experimental Resultscontrasting

confidence: 80%

Section: Ill Experimental Resultsmentioning

confidence: 85%

Section: Introductionmentioning

confidence: 92%

“…The dominant single particle character of the high-spin Yrast states in ~4Er Refs. [2,3], 152Dy Ref. [4] and 153Ho Ref.…”

Section: Introductionmentioning

confidence: 99%

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High-spin structure in154Er

Beck¹,

Dudek²,

Haas³

et al. 1984

Z Physik A

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“…The structure of the yrast lines of Er Nuclei near N=82 (A=152-154) is known from discrete-line spectroscopy to high excitation energies, Eexc~8-12MeV, and high spins, I~36h, cf. [3,[5][6][7][8][9]. The energies and the angular momenta of the observed levels are accounted for by considering the alignment of valence particles along the symmetry axis of the presumably oblate core.…”

Section: Introductionmentioning

confidence: 99%

Decay properties of very-high-spin states in transitional Er nuclei aroundA=154

Bogaert

Aguer

Bastin

et al. 1986

Z. Physik A - Atomic Nuclei

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The 7 ray continuum structures of the transitional Er isotopes with A ~ 154 are studied using the reaction 74Ge(8r xn) lS8-XEr at El, b = 340 MeV. The measurements include energy spectra, total energies, multiplicities, angular distributions and lifetimes using the DSAM method. The analysis of data confirms the previously observed two-bump structure of the continuum radiation. A meticulous subtraction of discrete contributions proves the persistence of the low-energy bump even at high spins, i.e. I>40 h. The angular -distribution measurements assign predominant dipole structure to the bump at E~ =0.65 MeV, whereas the bump at E~ = 1.3 MeV is of almost pure quadrupole character at high spins. The lifetime measurements give evidence for a strong enhancement of the B(E2) values of the upper bump, B(E2)/Bsp>130. Spin-selection studies reveal, in the spin range I=30-50h an almost constant energy for the 1.3MeV bump, AE<60 keV.

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Identification of Single‐Particle Configurations at Very High Spin in Some Rare‐Earth Nuclei

1990

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A b s t r a c t . The nuclear behaviour a t high angular momenta is studied by y-rays emitted in (HI, Xn) reaction. The study of very-high spin sttates in 1 5 3 H~ via discrete-line y-ray spectroscopy and a comparison between the partial decay schemes of Is3Ho and the neighbouring 153Dy and 1S4Er nuclei are discussed in the context of the high spin slxucture. Second, we present comments on some phenomena observed a t high spin states in 15%o and 15zDy nuclei.

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Irregularities in Side-Feeding Patterns, Energies, and Multipolarities in theEr154Yrast Cascade to Spin 36

Cited by 51 publications

References 10 publications

High-spin structure in154Er

High-spin structure in154Er

Decay properties of very-high-spin states in transitional Er nuclei aroundA=154

Identification of Single‐Particle Configurations at Very High Spin in Some Rare‐Earth Nuclei

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