Nuclear Data Sheets for A = 159

Lee, M.A.; Reich, C.W.

doi:10.1016/s0090-3752(79)80142-8

Cited by 17 publications

(5 citation statements)

References 124 publications

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“…The 7-ray energies obtained in the present work from the 90 ~ spectrum are given in Tables 1 and 2. Our results agree with previous ones [- [5][6][7][8]11], except for the energy of the 23/2-19/2 transition, which is some 7 keV higher than the value given in [5], but is in agreement with the most recent study [11]. The 7-ray branching ratios for the levels with spin 9/2 up to 17/2 obtained in the present work from the 55 ~ spectrum, i.e.…”

Section: Energies and Branching Ratiossupporting

confidence: 93%

“…=7.410(106) barns and [gk--gRl=l.412(85) determined from previous experimental data on the levels with spin 5/2 and 7/2 [5]. There is a good overall agreement between the experimental and calculated branching ratios, which will be further commented in Sect.…”

Section: Energies and Branching Ratiossupporting

confidence: 66%

“…The energy levels of the nucleus 159Tb have been investigated by various methods [5], including multiple Coulomb excitation with 160 ions [- [6][7][8]. The g.s.b., with K~=3/2 + and the asymptotic quantum numbers [,411], is known up to the 23/2 + level, while the lifetimes have only been measured up to the 7/2 + state.…”

Section: Introductionmentioning

confidence: 99%

“…Same as Table 6for the reduced M1 transition probabilities To calculate the modifications to the B(M1)'s in the g.s.b, introduced by the band mixing, some assumptions have to be made concerning the intrinsic magnetic properties of the interacting bands. Consequently, it is justified to use the experimental magnetic moment of the 3/2 + ground state of 159Tb[5] and the experimental value of B(M1, 5/2-3/2)[7] to determine gK[411 3/2] and gR, yielding:This reduction of gfff with respect to gfree is close to the one obtained by Taras et al in 169Tm[2]. Consequently, it is justified to use the experimental magnetic moment of the 3/2 + ground state of 159Tb[5] and the experimental value of B(M1, 5/2-3/2)[7] to determine gK[411 3/2] and gR, yielding:This reduction of gfff with respect to gfree is close to the one obtained by Taras et al in 169Tm[2].…”

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confidence: 99%

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Electromagnetic transitions in the ground-state rotational band of159Tb

Hove¹,

Masri²,

Grosse³

et al. 1984

Z Physik A

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The ground-state band of 159Tb has been Coulomb excited up to spin 23/2 by 151-MeV 4~ions. The lifetimes of the 9/2 to 23/2 levels have been determined by combining results obtained with the RD and DSA methods, the E2/M1 mixing ratios for AI=I transitions have been measured using angular correlation techniques and the branching ratios for the levels up to spin 17/2 have been determined. The energies of the levels and the reduced M1 and E2 transition probabilities for their decay have been compared with the predictions of the rotational model, without and with AK= 1 admixtures. No satisfactory agreement could be achieved for all available experimental data simultaneously.

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Section: Energies and Branching Ratiossupporting

confidence: 93%

Section: Energies and Branching Ratiossupporting

confidence: 66%

Section: Introductionmentioning

confidence: 99%

mentioning

confidence: 99%

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Electromagnetic transitions in the ground-state rotational band of159Tb

Hove¹,

Masri²,

Grosse³

et al. 1984

Z Physik A

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“…In the 159Ho nucleus the pickup-reaction data would be even more crucial since neither the stripping data [1] nor the various -/-ray studies [6][7][8][9][10] have revealed the structure of the important 3/2 + [411] band. Thus the purpose of this study was to locate the lowest members of this band as well as to find and confirm the other low lying proton-hole excitations in l SgHo.…”

Section: Introductionmentioning

confidence: 99%

Single-Proton states of159Ho studied with the (p,?) reaction spectroscopic evidence for the unusual coriolis strengths in159, 161, 163Ho nuclei

Hammarén

Burke

1982

Z Physik A

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The proton-hole character of states in i59H0 has been studied using the 16z'i64Er(p, ~) 159'161Ho reactions with 17MeV protons. The shapes of angular distributions measured for both nuclei were compared, with good agreement in most cases, to tritoncluster-transfer DWBA calculations. The deviations obtained and the experimental normalization factors deduced for the 164Er(p,~z) 16iHo reaction by comparisons to (t, c~) cross sections indicate a need for a revised treatment of the mechanism of the (p, e) reaction on deformed nuclei. By comparisons to the well-known states in i6iHo, nuclear structure factors were obtained for many levels in 159Ho.

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