Study of the germanium isotopes with the (p, t) reaction

Ball, G. C.; Fournier, R.; Kroon, J.; Hsu, T.H.; Hird, B.

doi:10.1016/0375-9474(74)90525-9

Cited by 56 publications

(4 citation statements)

References 21 publications

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“…Several low-spin negative-parity states in 70 Ge were identified from the earliest studies of this nucleus using light-projectile reactions [5][6][7][8][9]11], heavy-ion reactions [12,13], and a more recent investigation of the β + decay of 70 As [10]. The lowest state with negative parity was first identified as the one at 2562 keV [8] with a likely spin of J = 3 [6].…”

Section: Negative-parity Bandsmentioning

confidence: 99%

“…Low-lying excited 0 + states are common among the even-even Ge isotopes, and 70 Ge is no exception. The 0 + 2 state in 70 Ge has been known since the earliest studies of this nucleus [5][6][7][8][9], and was later confirmed using fusion-evaporation reactions [13]. Higher-lying 2 + 3 and 4 + 3 states were found to decay to the 0 + 2 state through a sequence of γ rays with energy 941.10 and 901.95 keV following the β + decay of 70 As [10], providing confirmation of the 4 + 3 state observed in Refs.…”

Section: Excited 0 + 2 Bandmentioning

confidence: 99%

“…Although not considered a candidate for the exotic shapes mentioned above, the stable 70 Ge isotope shows a rich structure with interesting similarities and differences compared to its neighboring even-even isotopes. Several low-spin (J ≤ 6) studies were performed up to 5.1 MeV excitation energy using light-ion, transfer, and inelastic-scattering reactions [5][6][7][8][9]. Further insight into the low-spin structure was provided by a study of the β + decay of 70 As [10].…”

Section: Introductionmentioning

confidence: 99%

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Multiple band structures in Ge70

et al. 2018

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High-spin states in 70 Ge were studied using the 55 Mn(18 O,p2n) fusion-evaporation reaction at a beam energy of 50 MeV. Prompt γ-γ coincidences were measured using the Florida State University Compton-suppressed Ge array consisting of three Clover detectors and seven single-crystal detectors. An investigation of these coincidences resulted in the addition of 31 new transitions and the rearrangement of four others in the 70 Ge level scheme, providing a more complete picture of the high-spin decay pattern involving both positive-and negative-parity states with multiple band structures. Spins were assigned based on directional correlation of oriented nuclei ratios, which many times also led to unambiguous parity determinations based on the firm assignments for lowlying states made in previous work. Total Routhian surface calculations, along with the observed trends in the experimental kinematic moment of inertia with rotational frequency, support the multi-quasiparticle configurations of the various crossing bands proposed in recent studies. The high-spin excitation spectra predicted by previous shell-model calculations compare favorably with the experimental one determined from this study.

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Section: Negative-parity Bandsmentioning

confidence: 99%

Section: Excited 0 + 2 Bandmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Multiple band structures in Ge70

et al. 2018

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“…The experimental cross sections are enhanced with respect to the calculations by a factor of about 10 [ref. 5)]. …”

Section: Introducdonmentioning

confidence: 99%

A CCBA description of the (p, t) reaction to low-lying O+ states in the Ge isotopes

et al. 1982

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Abstrad: Differential cross sections for the (p, t) reaction to 0+ states in the even Ge isotopes have been measured at an incident energy (Ep =13 MeV) where the triton energy is below the Coulomb barrier. The data are described by a coupled-channels calculation with wave functions consisting of neutron configurations only . Sequential transfer processes can explain the anomalies, which have led previously to the introduction of shape isomerism or proton excitations. Magnetic spectrograph, enriched targets; CCBA analysis.

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32-Germanium

Sukhoruchkin¹,

Soroko²

Tables of Excitations From Reactions With Charged Particles. Part 1: Z = 3 - 36

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Study of the germanium isotopes with the (p, t) reaction

Cited by 56 publications

References 21 publications

Multiple band structures in Ge70

Multiple band structures in Ge70

A CCBA description of the (p, t) reaction to low-lying O+ states in the Ge isotopes

32-Germanium

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