Intruder states in odd-odd Tl nuclei populated in the α-decay of odd-odd Bi isotopes

Duppen, P. Van; Decrock, P.; Dendooven, P.; Huyse, M.; Reusen, G.; Wauters, J.

doi:10.1016/0375-9474(91)90796-9

Cited by 59 publications

(45 citation statements)

References 18 publications

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“…The allocation of the states in the odd-odd thallium isotopes within each full multiplet will primarily depend on the specific proton-neutron residual interaction in these [j p ⊗ j n ]J π configurations. This has been thoroughly discussed by several authors [6,[29][30][31][32]. The two lowest states in Fig.…”

Section: Discussionmentioning

confidence: 91%

Internal decay of the(10−)intruder state inTl184

et al. 2015

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Decay spectroscopy of 184 Tl has been performed at the CERN Isotope Separator On-Line (ISOLDE) facility. An excitation energy of 506.1(1) keV and a half-life of 47.1(7) ms of the intruder based (10 − ) state have been extracted. The internal decay characteristics of this state are determined and discussed, extending the systematics of such states in the even-mass thallium nuclei below neutron midshell at N = 104. The retardation factors of the isomeric M2 and E3 transitions are deduced and compared with retardation factors in neighboring odd-mass and even-mass thallium isotopes. The new information is combined with a review of hindered and unhindered α-decay data of [187][188][189][190][191][192] Bi populating levels in daughter nuclei [183][184][185][186][187][188] Tl and supports the interpretation of the intruder character of the (10 − ) state in 184 Tl.

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Section: Discussionmentioning

confidence: 91%

Internal decay of the(10−)intruder state inTl184

et al. 2015

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“…These values are expected to be correct within a factor of ∼2. As an example, we mention that the experimental β-branching ratios of 190 Bi m1,m2 from [37] are reproduced within a factor of 2 by using this approach. Furthermore, the theoretical partial β-decay half-life for 188 Bi, T 1/2,β ( 188 Bi) = 8.5 s, deduced in [23], agrees quite well with the values of 5.4 s from [36], despite different models being used.…”

Section: M1m2mentioning

confidence: 88%

β-delayed fission of186,188Bi isotopes

et al. 2013

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By using the technique of correlating implanted evaporation residues and their subsequent fission decay, β-delayed fission (βDF) of 186 Bi has been identified for the first time and βDF of 188 Bi has been unambiguously confirmed. The experiments were performed at the velocity filter SHIP (GSI, Darmstadt). The βDF probabilities for both nuclides were qualitatively estimated, and, in particular indications for a large value in the case of 186 Bi are regarded.

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“…The decays of 194 At can be identified by correlating with α decays from the (3 + ) [E α = 6431(5) keV] and (10 − ) [E α = 6456(5) keV] states in the 190 Bi daughter nucleus [32,33]. As the daughter α-particle energies are very close to each other, the events in the α-α matrix end up in two partially overlapping groups (see Fig.…”

Section: A 195 Atmentioning

confidence: 97%

γ-ray and decay spectroscopy of194,195,196At

et al. 2013

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Excited states of 195 At have been studied by means of in-beam γ -ray spectroscopy and the recoil-decay tagging technique. A strongly coupled rotational band feeding the α-decaying 7/2 − state via unobserved transitions was identified. This band is presumably built on the oblate proton I π = 13/2 + state. Confirming earlier measurements, α decays from the 1/2 + and 7/2 − states were observed. Additionally, an E3 branch competing with the α decay of the 7/2 − state was inferred. Also α decays of the odd-odd isotopes 194,196 At were examined.

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Intruder states in odd-odd Tl nuclei populated in the α-decay of odd-odd Bi isotopes

Cited by 59 publications

References 18 publications

Internal decay of the(10−)intruder state inTl184

Internal decay of the(10−)intruder state inTl184

β-delayed fission of186,188Bi isotopes

γ-ray and decay spectroscopy of194,195,196At

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