High-spin structure,<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mi>K</mml:mi></mml:math>isomers, and state mixing in the neutron-rich isotopes<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mrow /><mml:mn>173</mml:mn></mml:msup></mml:math>Tm and<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:msup><mml:mrow /><mml:mn>175</mml:mn></mml:msup></mml:math>Tm

Hughes, R. O.; Lane, G. J.; Dracoulis, George; Byrne, Aidan; Nieminen, P.; Watanabe, H.; Carpenter, M. P.; Chowdhury, P.; Janssens, R. V. F.; Kondev, F. G.; Lauritsen, T.; Seweryniak, D.; Zhu, S.

doi:10.1103/physrevc.86.054314

Cited by 10 publications

(12 citation statements)

References 57 publications

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“…The measurements have led to extensive new information on isomers in a range of nuclei near stability and also somewhat neutron-rich, as depicted schematically in figure 24. Analysis of these data continues but details of completed results are published in a series of papers [33,67,74,94,126,128,129,130,443,444,445,446,447,448,449,450,451]. They cover a broad range in terms of physics, from the characterisation of comprehensive multi-quasiparticle isomers in 174 Yb [445], for example, to the identification of transitions to intermediate states that could connect the high-K and low-K isomeric and ground states in 176 Lu by photoexcitation, thus affecting elemental abundances in a stellar environment [33].…”

Section: Multi-nucleon Transfer and Deep-inelastic Reactionsmentioning

confidence: 99%

Review of metastable states in heavy nuclei

2016

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Abstract.The structure of nuclear isomeric states is reviewed in the context of their role in contemporary nuclear physics research. Emphasis is given to high-spin isomers in heavy nuclei, with A 150. The possibility to exploit isomers to study some of the most exotic nuclei is a recurring theme. In spherical nuclei, the role of octupole collectivity is discussed in detail, while in deformed nuclei the limitations of the K quantum number are addressed. Isomer targets and isomer beams are considered, along with applications related to energy storage, astrophysics, medicine, and experimental advances.

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Section: Multi-nucleon Transfer and Deep-inelastic Reactionsmentioning

confidence: 99%

Review of metastable states in heavy nuclei

2016

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“…An intensity balance between these two transitions [assuming δ(238 keV) = 0.29(4)] in a spectrum gated on the 208-and 262-keV γ rays, results in α T (37 keV) = 2.5(−1.9,+4.3). The large uncertainty originates from the low-intensity of the 37-keV line combined with a 30% uncertainty in the efficiency curve below 60 keV [9]. Comparison with predicted values [17] of 0.9 (E1), 9.3 (M1), 241 (E2), and 609 (M2) suggests an E1 assignment for the 37-keV transition, although an M1 assignment cannot be ruled out.…”

Section: + State At 1347 Kevmentioning

confidence: 74%

“…Subsequent assignment to 174 Tm was based on the systematic analysis of the relative yield of this structure in measurements using the 136 Xe beam, but with different Yb and Lu targets (see Ref. [9]), as well as by the observation of the 100-keV, 3 − state decay identified by Chakrawarthy et al [13]. Transitions reported by Chasteler et al [11] and Becker et al [12] were not seen in the present high-spin study, lending support to the assertion of Becker et al, that the decays might feed a low-lying, low-K isomer.…”

Section: Resultsmentioning

confidence: 99%

“…More detail of the experimental configuration and analysis techniques used in this work can be found in our recent report [9].…”

Section: Methodsmentioning

confidence: 99%

“…The spectrum was produced from a sum of double gates on strong 174 Tm lines in a γ -γ -clock cube constructed from the 1 ms/3 ms chopped data with the 176 Yb target (see Ref. [9] for details).…”

Section: − Isomer At 2092 Kevmentioning

confidence: 99%

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Multiquasiparticle states in the neutron-rich nucleus174Tm

et al. 2013

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Deep inelastic and transfer reactions with an 820-MeV, 136 Xe beam and various ytterbium and lutetium targets have been employed to study high-spin structures in the neutron-rich thulium isotopes beyond 171 Tm. Results in the doubly odd nucleus, 174 Tm, include the identification of numerous new two-and four-quasiparticle intrinsic states including several isomers below 1 MeV, and the observation of the K π = 4 − ground state rotational band populated via direct decay from a τ = 153(10)-μs, K π = 14 − isomer at 2092 keV. The 398-keV, M1 transition linking the isomer and ground state band is abnormally fast for a highly forbidden, K = 10 decay. This relative enhancement is explained in terms of mixing of the 13 − level with the nearby 13 − member of a K π = 8 − rotational band, with an interaction strength of V ≈ 1.4 keV. Multiquasiparticle calculations are compared with the observed states.

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Excited Nuclear States for Tm-173 (Thulium)

Sukhoruchkin¹,

Soroko²

2016

Supplement to I/25 a-G

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High-spin structure,Kisomers, and state mixing in the neutron-rich isotopes173Tm and175Tm

Cited by 10 publications

References 57 publications

Review of metastable states in heavy nuclei

Review of metastable states in heavy nuclei

Multiquasiparticle states in the neutron-rich nucleus174Tm

Excited Nuclear States for Tm-173 (Thulium)

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