Measurements of<i>g</i>factors and lifetimes of low lying states in<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mrow><mml:msup><mml:mrow /><mml:mrow><mml:mn>58</mml:mn><mml:mo>–</mml:mo><mml:mn>64</mml:mn></mml:mrow></mml:msup></mml:mrow><mml:mi mathvariant="normal">Ni</mml:mi></mml:math>and their shell model implications

Kenn, O.; Speidel, K.‐H.; Ernst, R.; Schielke, S.; Wagner, S.; Gerber, J.; Maier-Komor, P.; Nowacki, F.

doi:10.1103/physrevc.63.064306

Cited by 50 publications

(31 citation statements)

References 21 publications

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“…The S800 spectrom- The data are compared to the fit spectra, which are decomposed into the GEANT4 simulation, the γ-rays from neutron-induced reactions in 27 Al, and the exponential background. In (a), fits for 5 ps (dotted), consistent with the literature value [19], and the present result of 16 ps (solid curve) are shown.…”

Section: Methodssupporting

confidence: 85%

“…On the other hand, neither the aforementioned DSAM measurement nor recent Coulomb excitation measurements of 58 Ni exhibit an enhanced B(E2; 2 [19] [21]. In fact, the previous DSAM measurement of the 4 + 1 state was sensitive primarily to lifetimes on the order of 1 ps or less, which does not cover the theoretical 4 + 1 lifetime of 14 ps predicted by the GXPF1 shell model.…”

Section: Introductionmentioning

confidence: 81%

“…The experimental data for 58 Ni are from the current measurement and the previous measurement by Kenn et al [19], while the remaining data are the adopted values from the NNDC [20]. The theoretical values come from the GXPF1A [30] and KB3G [31] Hamiltonians for protons and neutrons in the full pf model space, with a portion of the shell-model calculations carried out using the code MSHELL64 [32].…”

Section: Discussionmentioning

confidence: 99%

“…In this paper, we report on a new lifetime measurement of the 4 [19]. In fact, this is the only lifetime data for this transition incorporated into the NNDC evaluation [20] and the result turns out to be approximately three times larger than the prediction of 55 e 2 fm 4 from the GXPF1 shell model interaction, which has demonstrated good predictive power in this mass region [9].…”

Section: Introductionmentioning

confidence: 90%

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Lifetime measurement of the41+state ofNi58with the recoil distance method

et al. 2016

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The quadrupole transition rate for the 4 + 1 → 2 + 1 transition of 58 Ni was determined from an application of the recoil distance method with the GRETINA array. The present result of the B(E2; 4 + 1 → 2 + 1 ) was found to be 50 +11 −6 e 2 fm 4 , which is about three times smaller than the literature value, indicating substantially less collectivity than previously believed. Shell model calculations performed with the GXPF1A effective interaction agree with the present data and the validity of the standard effective charges in understanding collectivity in the Nickel isotopes is discussed.

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Section: Methodssupporting

confidence: 85%

Section: Introductionmentioning

confidence: 81%

Section: Discussionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 90%

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Lifetime measurement of the41+state ofNi58with the recoil distance method

et al. 2016

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“…Nuclear gyromagnetic ratios, with their sensitivity to the single-particle properties of the nuclear states, can provide a sensitive probe of this interplay. Whereas the g factors of the 2 + states of the stable Ni isotopes show predominantly single particle behavior, consistent with shell model structures [5], those of the nearby Zn and Ge isotopes [6] show a trend consistent with the Z/A rule, characteristic of collective states. Particular interest in the Zn isotopes (Z = 30)…”

Section: Introductionsupporting

confidence: 58%

Firstg(2+)measurement on neutron-rich72Zn, and the high-velocity transient field technique for radioactive heavy-ion beams

Fiori¹,

Георгиев²,

Stuchbery³

et al. 2012

Phys. Rev. C

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The high-velocity transient-field (HVTF) technique was used to measure the g factor of the 2 + state of 72 Zn produced as a radioactive beam. The transient-field strength was probed at high velocity in ferromagnetic iron and gadolinium hosts using 76 Ge beams. The potential of the HVTF method is demonstrated and the difficulties that need to be overcome for a reliable use of the TF technique with high-Z, high-velocity radioactive beams are revealed. The polarization of K-shell vacancies at high velocity, which shows more than an order of magnitude difference between Z = 20 and Z = 30 is discussed. The g-factor measurement hints at the theoretically predicted transition in the structure of the Zn isotopes near N = 40.

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28-Nickel

Sukhoruchkin

Soroko

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

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Measurements ofgfactors and lifetimes of low lying states in58–64Niand their shell model implications

Cited by 50 publications

References 21 publications

Lifetime measurement of the41+state ofNi58with the recoil distance method

Lifetime measurement of the41+state ofNi58with the recoil distance method

Firstg(2+)measurement on neutron-rich72Zn, and the high-velocity transient field technique for radioactive heavy-ion beams

28-Nickel

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