<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mi>α</mml:mi></mml:math>decay of<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML"><mml:mmultiscripts><mml:mi mathvariant="normal">Au</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>176</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>

Andreyev, A. N.; Antalic, S.; Ackermann, D.; Cocolios, T. E.; Elseviers, J.; Franchoo, S.; Heinz, S.; Heßberger, F. P.; Hofmann, S.; Huyse, M.; Khuyagbaatar, J.; Kindler, B.; Lommel, B.; Mann, Robert B.; Page, R. D.; Duppen, P. Van; Venhart, M.

doi:10.1103/physrevc.90.044312

Cited by 9 publications

(22 citation statements)

References 27 publications

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“…The results of the present high-spin study of states in 168 Re aides in the spin (tentatively assigned 6 + in Ref. [1]) and configuration assignments of the isomers observed in the high-spin chain. In addition, a recent publication of the first rotational structures in 166 Re [2], the lightest odd-odd rhenium nucleus with known excitations, reported two γ-ray decay sequences.…”

Section: Introductionsupporting

confidence: 54%

“…This is consistent with the h 11/2 quasiproton contributing ∼1.4 of alignment to the πh 11/2 ν(h 9/2 /f 7/2 ) configuration; therefore, the I π = 7 + spin/parity assignment for the lowest spin state of band 2 appears to be appropriate. In addition, the recent α-decay work of Andreyev et al [1] observed a single decay from the high-spin 7…”

Section: Discussionmentioning

confidence: 99%

“…Since a 162.1-keV transition was observed in coincidence with band 2 from the present data, it is likely that this γ ray corresponds to the one in the α-decay study. Andreyev et al [1] tentatively assigned the state at 162 keV as 7 + , based upon the πh 11/2 ν(h 9/2 /f 7/2 ) configuration. By observing the rotational band based on this state in the present work and concluding that this level is likely to have I π = 7 + as well, one further justifies this spin/parity assignment.…”

Section: Discussionmentioning

confidence: 99%

“…However, Ref. [1] recently suggested that this level is better associated with I π = (6 + ). In addition, three other γ rays (90, 123, and 136 keV) were found in coincidence with the α decay of the low-spin 172 Ir isomer [7].…”

Section: Level Schemementioning

confidence: 99%

“…In particular, assigning spins and parities can be challenging as there is often a high density of states at low energies which leads to significant mixing of these levels. A recent α-decay study of the oddodd nucleus 176 Au [1] observed two isomeric states that α decay into levels of 172 Ir, with subsequent decay into isomers of 168 Re. One chain results from a high-spin isomer (8 + , 9 + ) in 176 Au, while the other is from a low-spin one (3 − , 4 − ).…”

Section: Introductionmentioning

confidence: 99%

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First observation of rotational structures in Re168

et al. 2016

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First rotational sequences have been assigned to the odd-odd nucleus 168 Re. Coincidence relationships of these structures with rhenium x rays confirm the isotopic assignment, while arguments based on the γ-ray multiplicity (K-fold) distributions observed with the new bands lead to the mass assignment. Configurations for the two bands were determined through analysis of the rotational alignments of the structures and a comparison of the experimental B(M 1)/B(E2) ratios with theory. Tentative spin assignments are proposed for the πh 11/2 νi 13/2 band, based on energy level systematics for other known sequences in neighboring odd-odd rhenium nuclei, as well as on systematics seen for the signature inversion feature that is well known in this region. The spin assignment for the πh 11/2 ν(h 9/2 /f 7/2 ) structure provides additional validation of the proposed spins and configurations for isomers in the 176 Au → 172 Ir → 168 Re α-decay chain.

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Section: Introductionsupporting

confidence: 54%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Level Schemementioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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First observation of rotational structures in Re168

et al. 2016

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Excited Nuclear States for Ir-172 (Iridium)

Sukhoruchkin¹,

Soroko²

2016

Supplement to I/25 a-G

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Identification of sub- μs isomeric states in the odd-odd nucleus Au178

Gillespie¹,

Stott²,

Andreyev³

et al. 2021

Phys. Rev. C

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The neutron-deficient gold (Z = 79) isotopes in the vicinity of the neutron midshell N = 104 provide prolific examples of shape coexistence and isomerism at low excitation energy. They can be probed via a number of different experimental techniques. In this study, two new isomeric states with half-lives of 294(7) and 373(9) ns have been observed in the neutron-deficient odd-odd nuclide 178 Au (N = 99) in an experiment at the RITU gas-filled separator at JYFL, Jyväskylä. This result was achieved due to the use of a segmented planar germanium detector with a high efficiency at low energies. By applying the recoil-decay tagging technique, they were assigned to decay to two different long-lived α-decaying states in 178 Au.

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αdecay ofAu176

Cited by 9 publications

References 27 publications

First observation of rotational structures in Re168

First observation of rotational structures in Re168

Excited Nuclear States for Ir-172 (Iridium)

Identification of sub- μs isomeric states in the odd-odd nucleus Au178

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