Study of the levels in 174Lu by (p, 3nγ) spectroscopy

Bruder, A.; Dousse, J.-Cl.; Drissi, S.; Gasser, Martin; Ionescu, Viorel; Kern, J.; Perny, B.; Rast, M.; Rhéme, Ch.

doi:10.1016/0375-9474(87)90325-3

Cited by 14 publications

(7 citation statements)

References 28 publications

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“…Gamma-ray spectroscopy measurements of the deformed nucleus 174 Lu have been carried out previously using the 170 Er( 7 Li,3n) [11] and 176 Yb(p,3n) [12][13][14][15][16] reactions, where many two-quasiparticle structures, up to spins of ∼15h, were populated. However, the proximity of 174 Lu to the stability line limits the possibilities of populating this nucleus to high spin with conventional reactions.…”

Section: Introductionmentioning

confidence: 99%

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Multi-quasiparticle isomers inLu174

et al. 2009

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Four-, six-, and eight-quasiparticle isomers with K π = 14 − , (21 + ) and (26 − ) have been identified in the deformed nucleus 174 Lu, in addition to the previously reported K π = 13 + , four-quasiparticle isomeric state.Analysis of alignments and in-band crossover-to-cascade branching ratios lead to the characterization of the configurations associated with the K π = 14 − and (21 + ) isomers. The excitation energies of the observed states are compared with results from multi-quasiparticle calculations that include effects of blocking and residual nucleon-nucleon interactions. Good agreement is found for medium-spin (I = 13-14h) and the highest spin (I > 20h) states observed, but there remain ambiguities in assigning configurations in the I = 15-19h region.

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Section: Introductionmentioning

confidence: 99%

“…= 0.0 keV. e Experimental energies for the four-, six-, and eight-quasiparticle states are from the present work; two-quasiparticle states are from Refs [11,12]…”

mentioning

confidence: 99%

Multi-quasiparticle isomers inLu174

et al. 2009

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“…the Clebseh-Gordan coefficient CRJx~ In Fig In realistic cases, the intrinsic wave functions are mixed but the configurations are in most cases of pure singlet or triplet character which means that the j-values of the dominating components in the wave functions differ by two units. Thus, the rule is also in this case applicable since any of the dominating jp and j, quantumnumbers can be used in (6). However, if the configuration is of mixed singlet-triplet character or if the dominating part of the configuration involves a s-shell (6) is not generally useful.…”

Section: A Useful Rule For the Newby Shiftsmentioning

confidence: 95%

“…To achieve this it is necessary to determine unambigously the spins in the low energy region of neutron-deficient odd-odd nuclei and a step in this direction has already been taken [6]. Some of the possible effects of the residual interaction at high spin are discussed elsewhere [7] and in this paper we will concentrate on the Newby shifts which are not well understood [1,8,9].…”

Section: Introductionmentioning

confidence: 99%

Systematics of rotational bands withK=0 in odd-odd nuclei

Frisk¹

1988

Z. Physik A - Atomic Nuclei

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“…With the development of experimental techniques, more and more measurements have been done for the neutron rich nuclei. As for the neutron rich doubly-odd Lu nuclei, many experiments have been performed not only for the 2-quasiparticle (qp) structures, but also for the high-K multi-qp isomers [21][22][23][24][25][26][27][28][29]. * Supported by NSFC (Grant No.…”

Section: Introductionmentioning

confidence: 99%

Particle-number conserving analysis for the 2-quasiparticle and high- K multi-quasiparticle states in doubly-odd ^174,176 Lu

Li¹,

Zhang²,

Lei³

2013

Chinese Phys. C

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Two-quasiparticle bands and low-lying excited high-K four-, six-, and eight-quasiparticle bands in the doubly-odd 174,176 Lu are analyzed by using the cranked shell model (CSM) with the pairing correlations treated by a particle-number conserving (PNC) method, in which the blocking effects are taken into account exactly. The proton and neutron Nilsson level schemes for 174,176 Lu are taken from the adjacent odd-A Lu and Hf isotopes, which are adopted to reproduce the experimental bandhead energies of the one-quasiproton and one-quasineutron bands of these odd-A Lu and Hf nuclei, respectively. Once the quasiparticle configurations are determined, the experimental bandhead energies and the moments of inertia of these two-and multiquasiparticle bands are well reproduced by PNC-CSM calculations. The Coriolis mixing of the low-K (K = |Ω1 −Ω2|) two-quasiparticle band of the Gallagher-Moszkowski doublet with one nucleon in the Ω = 1/2 orbital is analyzed.

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Study of the levels in 174Lu by (p, 3nγ) spectroscopy

Cited by 14 publications

References 28 publications

Multi-quasiparticle isomers inLu174

Multi-quasiparticle isomers inLu174

Systematics of rotational bands withK=0 in odd-odd nuclei

Particle-number conserving analysis for the 2-quasiparticle and high- K multi-quasiparticle states in doubly-odd ^174,176 Lu

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Study of the levels in 174Lu by (p, 3nγ) spectroscopy

Cited by 14 publications

References 28 publications

Multi-quasiparticle isomers inLu174

Multi-quasiparticle isomers inLu174

Systematics of rotational bands withK=0 in odd-odd nuclei

Particle-number conserving analysis for the 2-quasiparticle and high- K multi-quasiparticle states in doubly-odd 174,176 Lu

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Particle-number conserving analysis for the 2-quasiparticle and high- K multi-quasiparticle states in doubly-odd ^174,176 Lu