Nuclear Data Sheets for A = 75

Farhan, A. R.; Singh, Balraj

doi:10.1016/j.nds.2013.08.001

Cited by 30 publications

(12 citation statements)

References 371 publications

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“…− and 3/2 − levels, with the 1/2 − state being preferred in analogy with transitions in 75 Ga [40]. The energy splitting from this cascade is E = −0.1 ±0.3 keV, with the experimental resolution larger than the calculated difference.…”

Section: /2mentioning

confidence: 79%

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: /2mentioning

confidence: 79%

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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“…For band 2, its bandhead at 316.5 keV was previously reported with a 5/2 − assignment [20], while the level at 650.7 keV was reported with a tentative (5/2 − ,7/2 − ) assignment [20]. According to the ADO value obtained in the current work, the 334.2-and 450.7-keV transitions are suggested to have stretched-dipole characters, and the 397.9-keV transition has stretched-quadrupole character.…”

Section: Experiments and Resultsmentioning

confidence: 60%

“…For 75 Ge, the 1/2 − ground state has been suggested to have a p 1/2 configuration according to the measured nuclear moments [26]. The levels at 252.8 and 456.7 keV in band 1 have been observed in many previous experiments [20], and 3/2 − and 5/2 − were assigned to these two levels, respectively. The present ADO ratio analyses further support the spin and parity assignments of these two levels.…”

Section: Experiments and Resultsmentioning

confidence: 91%

“…Based on the comparison with similar structures in the neighboring N = 41 isotones and the cranked Woods-Saxon-Strutinsky calculations, the low-lying states of 73 Ge were suggested to have an oblate deformation with a negative γ value (∼ − 36 • ). As a neighboring odd-N nucleus of 73 Ge, the spectroscopy of 75 Ge has been previously studied in many experiments [20]. However, since few suitable combinations of stable projectiles and targets are available to populate 75 Ge via fusion-evaporation reactions, the collective structure of 75 Ge has not been established.…”

Section: Introductionmentioning

confidence: 99%

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Spectroscopic study of the possibly triaxial transitional nucleus 75Ge

Niu¹,

Dai²,

Xu³

et al. 2018

Phys. Rev. C

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The collective structures of 75 Ge have been studied for the first time via the 74 Ge(α,2p1n) 75 Ge fusionevaporation reaction. Two negative-parity bands and one tentative positive-parity band built on the νp 1/2 , νf 5/2 , and νg 9/2 states, respectively, are established and compared with the structures in the neighboring N = 43 isotones. According to the configuration-constrained potential-energy surface calculations, a shape transition from oblate to prolate along the isotopic chain in odd-A Ge isotopes is suggested to occur at 75 Ge. The properties of the bands in 75 Ge are analyzed in comparison with the triaxial particle rotor model calculations.

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“…Following a few years of activity in the field and after the competion of two full mass chain evaluations in collaboration with an experienced evaluator [9,10], the group from IFIN-HH became in 2015 one of the NSDD Data Centres. Two scientist dedicate 20% of their working time to this activity.…”

Section: The Data Centre At Ifin-hhmentioning

confidence: 99%

Nuclear structure and decay data evaluation in Europe

et al. 2017

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Abstract. Nuclear Structure and Decay Data (NSDD) activities in Europe include mass-chain and individual nuclei evaluations as well as horizontal evaluations and compilations, data dissemination and educational activities. As such they are essential for a large range of applications from energy, environmental, and medical to basic research in nuclear structure and reactions, all of which are intensively pursued in Europe. Although the NSDD evaluation groups in Europe form part of the international network of NSDD evaluators, which is coordinated by the International Atomic Energy Agency, they are faced with some very distinct challenges. We shortly present the NSDD Data Centre at IFIN-HH, Bucharest and discuss possible actions to improve the situation for the entire European NSDD evaluation effort.

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Nuclear Data Sheets for A = 75

Cited by 30 publications

References 371 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

Spectroscopic study of the possibly triaxial transitional nucleus 75Ge

Nuclear structure and decay data evaluation in Europe

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