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Gürdal, G.; Stefanova, E. A.; Boutachkov, P.; Torres, D. A.; Kumbartzki, G.; Benczer‐Koller, N.; Sharon, Y. Y.; Zamick, Larry; Robinson, S. J. Q.; Ahn, T.; Anagnostatou, V.; Bernards, C.; Elvers, M.; Heinz, A.; Ilie, G.; Radeck, D.; Savran, D.; Werner, V.; Williams, E.

doi:10.1103/physrevc.88.014301

Cited by 25 publications

(20 citation statements)

References 29 publications

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“…The study of collectivity in the Z = 28 region for N > 40 reveals that the largest B(E2) values are measured at N = 42 for 72 Zn 42 , 74 Ge 42 , and 76 Se 42 [7][8][9]. Therefore, 73 Ga, with N = 42, is of great interest.…”

Section: Introductionmentioning

confidence: 99%

Search for the Ga73 ground-state doublet splitting in the β decay of Zn73

Vedia¹,

Paziy²,

Fraile³

et al. 2017

Phys. Rev. C

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The existence of two close-lying nuclear states in 73 Ga has recently been experimentally determined: a 1/2 − spin-parity for the ground state was measured in a laser spectroscopy experiment, while a J π = 3/2 − level was observed in transfer reactions. This scenario is supported by Coulomb excitation studies, which set a limit for the energy splitting of 0.8 keV. In this work, we report on the study of the excited structure of 73 Ga populated in the β decay of 73 Zn produced at ISOLDE, CERN. Using β-gated, γ -ray singles, and γ -γ coincidences, we have searched for energy differences to try to delimit the ground-state energy splitting, providing a more stringent energy difference limit. Three new half-lives of excited states in 73 Ga have been measured using the fast-timing method with LaBr 3 (Ce) detectors. From our study, we help clarify the excited structure of 73 Ga and we extend the existing 73 Zn decay to 73 Ga with 8 new energy levels and 35 γ transitions. We observe a 195-keV transition consistent with a γ ray de-exciting a short-lived state in the β-decay parent 73 Zn.

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Section: Introductionmentioning

confidence: 99%

Search for the Ga73 ground-state doublet splitting in the β decay of Zn73

Vedia¹,

Paziy²,

Fraile³

et al. 2017

Phys. Rev. C

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“…The Ge and Se isotope chains are of interest as they span the A ∼ 70 shape co-existence region [1][2][3][4][5], exhibiting an interplay between single-particle and collective excitations, and shape changes [2,[5][6][7]. A microscopic understanding of the structure of these nuclei, through validated shell-model calculations, is desirable.…”

Section: A Background and Motivationmentioning

confidence: 99%

“…The g factors of the first-excited states in the stable, even Ge isotopes have been measured repeatedly by different groups over the years using the ion-implantation perturbed-angular-correlation (IMPAC) [29] and TF [7,30,31] techniques. The most recent measurement performed on the Ge isotopes, by Gürdal et al [7], provided the most precise values yet, with g(2 + 1 ) determined using the TF technique in inverse kinematics and the Rutgers parametrization [26]. An older set of measurements, performed by Pakou et al [30], had comparable precision, and used the same parametrization.…”

Section: B Transient-field G-factor Measurementsmentioning

confidence: 99%

“…In summary: the present and previous relative g-factor measurements are robust, but the absolute scale remains uncertain on the level of ±20%. Nevertheless the 'ab- [7] and 1998Sp03 [6]. Shell-model calculations using the JUN45 and jj44b interactions are shown as solid lines and dashed lines, respectively.…”

Section: A G-factor Measurementsmentioning

confidence: 99%

“…The g factors of 74 Ge and 74 Se were measured simultaneously using a cocktail beam, which eliminates most possible sources of systematic error in a relative g-factor measurement. The results are g( 74 Se)/g( 74 Ge) = 1.34 (7), g( 70 Ge)/g( 74 Ge) = 1.16 (15), g( 72 Ge)/g( 74 Ge) = 0.92 (13), g( 76 Ge)/g( 74 Ge) = 0.88 (5), g( 76 Se)/g( 74 Se) = 0.96 (7), g( 78 Se)/g( 74 Se) = 0.82 (5), g( 80 Se)/g( 74 Se) = 0.99 (7) and g( 82 Se)/g( 74 Se) = 1.19 (6). The measured g-factor ratios are in agreement with ratios from previous measurements, despite considerable variation in previous reported absolute values.…”

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confidence: 94%

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First-excited state g factors in the stable, even Ge and Se isotopes

et al. 2019

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Transient-field g-factor measurements in inverse kinematics were performed for the first-excited states of the stable, even isotopes of Ge and Se. The g factors of 74 Ge and 74 Se were measured simultaneously using a cocktail beam, which eliminates most possible sources of systematic error in a relative g-factor measurement. The results are g( 74 Se)/g( 74 Ge) = 1.34 (7), g( 70 Ge)/g( 74 Ge) = 1.16(15), g( 72 Ge)/g( 74 Ge) = 0.92(13), g( 76 Ge)/g( 74 Ge) = 0.88(5), g( 76 Se)/g( 74 Se) = 0.96 (7), g( 78 Se)/g( 74 Se) = 0.82(5), g( 80 Se)/g( 74 Se) = 0.99(7) and g( 82 Se)/g( 74 Se) = 1.19(6). The measured g-factor ratios are in agreement with ratios from previous measurements, despite considerable variation in previous reported absolute values. The absolute values of the g factors remain uncertain, however the Rutgers parametrization was used to set the transient-field strength and then compare the experimental g factors with shell-model calculations based on the JUN45 and jj44b interactions. Modest agreement was found between experiment and theory for both interactions. The shell model calculations indicate that the g(2 + 1 ) values and trends are determined largely by the balance of the spin carried by orbital motion of the protons.

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Excited Nuclear States for Ge-70 (Germanium)

Sukhoruchkin¹,

Soroko²

2016

Supplement to I/25 a-F

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Measurements ofg(41+,22+)in70,72<

Cited by 25 publications

References 29 publications

Search for the Ga73 ground-state doublet splitting in the β decay of Zn73

Search for the Ga73 ground-state doublet splitting in the β decay of Zn73

First-excited state g factors in the stable, even Ge and Se isotopes

Excited Nuclear States for Ge-70 (Germanium)

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