Nuclear Data Sheets for A ;eq 58

Bhat, M.R.

doi:10.1006/ndsh.1997.0008

Cited by 64 publications

(40 citation statements)

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“…Both shell model codes produced very similar results [19]. In order to achieve correspondence between (4) 20(2) 0.055 (9) 0.08 1161 (1) 7 (2) (1) 943.95(7) 100 0.090(9) 0.74 (7) a (τ = 0.20 +0.09 −0.06 ps; τ = 0.24 +0.11 −0.07 ps) [15]. a predicted and a detected level, it is necessary that both the level energies and the decay patterns be in fair agreement.…”

Section: Shell Model Calculationssupporting

confidence: 53%

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Nuclear structure of the odd–odd nucleus⁵⁸Co

Silveira

Medina

Alcántara-Núñez

et al. 2005

J. Phys. G: Nucl. Part. Phys.

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The odd-odd 58 Co nucleus has been studied with the 51 V( 10 B, p2n) reaction at 33 MeV and 36 MeV incident energy using the γ -spectrometer Saci-Pererê. Excited states up to 8.0 MeV and spin up to 11 + have been observed. DSAM lifetimes for 13 excited states were measured. The results are compared to shell model calculations using the GXPF1 effective interaction, developed for use in the fp shell.

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Section: Shell Model Calculationssupporting

confidence: 53%

“…A total of 47 new γ -transitions de-populating 37 new excited states were observed. The level energies are referred to the low-lying 2 + state previously known [15]. In figure 2 an example of a gated γ spectrum, obtained from the γ -γ matrix, is shown.…”

Section: Resultsmentioning

confidence: 99%

Nuclear structure of the odd–odd nucleus⁵⁸Co

Silveira

Medina

Alcántara-Núñez

et al. 2005

J. Phys. G: Nucl. Part. Phys.

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“…A similar coupling scheme successfully explained the experimental fusion cross section and barrier distribution for the very similar 58 Ni + 60 Ni system [17]. The dynamical quadrupole deformation parameter β 2 for the Coulomb coupling is estimated to be 0.177 from the experimental B(E2) [19] with the radius parameter r coup = 1.2 fm. We require a somewhat larger value of β 2 = 0.261 (with r coup = 1.06 fm) for the nuclear coupling in order to fit the data.…”

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confidence: 57%

Fusion cross sections at deep sub-barrier energies

2003

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A recent publication reports that heavy-ion fusion cross sections at extreme subbarrier energies show a continuous change of their logarithmic slope with decreasing energy, resulting in a much steeper excitation function compared with theoretical predictions. We show that the energy dependence of this slope is partly due to the asymmetric shape of the Coulomb barrier, that is its deviation from a harmonic shape. We also point out that the large low-energy slope is consistent with the surprisingly large surface diffusenesses required to fit recent high-precision fusion data.

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“…This takes place in the N Z nucleus 58 Cu. The low-lying excited states in 58 Cu have been previously studied using light ion induced reactions [13][14][15]. Our experiment was performed at the 88-Inch Cyclotron at the Lawrence Berkeley National Laboratory.…”

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confidence: 99%