182, 184, 186W(α, α') Reactions at Eα = 24 MeV

Baker, F. T.; Scott, A.; Styles, R.C.; Kruse, T. H.; Jones, K. L.; Suchannek, Rudolf G.

doi:10.1016/0375-9474(81)90545-5

Cited by 6 publications

(5 citation statements)

References 13 publications

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“…On the other hand, the CC predictions underestimate the data where the cross section is small, with larger discrepancies for smaller cross sections. Other examples for several systems and energies with similar behavior are presented in linear and logarithmic scales in figures 17 and 18, respectively (data from [11,65,66,68,70,76,77,67]). [68].…”

Section: Elastic Scattering Processmentioning

confidence: 92%

“…Data [65,67] and theoretical predictions for the inelastic excitation of the first + 2 state of 64 Zn and 58 Ni are presented in figure 11. There is a good agreement between the theoretical and experimental results at the region of forward angles, but the data present much larger cross sections in comparison with the theoretical values at backward angles.…”

Section: Inelastic Scattering Processmentioning

confidence: 99%

“…The same as figure 9, but instead for the 2 + , 3 − and 4 + states of 184 W[65], and for the 2 + and 3 − states of 138 Ba[66].…”

mentioning

confidence: 99%

“…Figure 11. Experimental angular distributions[65,67] and corresponding theoretical predictions for the inelastic excitation of the + 2 state of64 Zn and58 Ni at several reduced energies.…”

mentioning

confidence: 99%

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Evidence of a slight nuclear transparency in the alpha-nucleus systems

Chamon¹,

Gasques²,

Nobre³

et al. 2015

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

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In earlier works, we proposed a model for the nuclear potential of the α + α and α + 12 C systems. This theoretical model successfully described data related to the elastic and inelastic scattering processes as well as resonances that correspond to the capture reaction channel. In the present work, we extend the same model to obtain bare nuclear potentials for several α-nucleus systems. We adopt this parameter-free interaction to analyse fusion, elastic, and inelastic scattering data within the context of the coupled-channel formalism. Our results indicate that, for these systems, the absorption of flux of the elastic channel at internal distances of interaction is not complete. In addition, we present new experimental angular distributions for the 2 + inelastic target excitation of α on 120,130 Te.

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Section: Elastic Scattering Processmentioning

confidence: 92%

Section: Inelastic Scattering Processmentioning

confidence: 99%

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Evidence of a slight nuclear transparency in the alpha-nucleus systems

Chamon¹,

Gasques²,

Nobre³

et al. 2015

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

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show abstract

“…The updated surface imaginary potential depth well bellow B has no effect on the description of the α-particle elastic-scattering data which have been available at quite larger energies for target nuclei with A>130 [64][65][66][67][68][69][70][71][72] (Table III), formerly analyzed in Ref. [26] within a first step to establish the previous potential [16].…”

Section: α-Particle Elastic-scattering Accountmentioning

confidence: 99%

Further explorations of theα-particle optical model potential at low energies for the mass rangeA≈45–209

2014

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The recent high-precision measurements of α-particle induced reaction data below the Coulomb barrier (B) make possible the understanding of limits and possible improvement of a previous optical model potential (OMP) for α-particles on nuclei within the mass number range 45≤A≤209 [M. Avrigeanu et al., Phys. Rev. C 82, 014606 (2010)]. An updated version of this potential is given in the present work concerning mainly an increased surface imaginary potential depth well below B for A>130. Moreover, underestimation of reaction cross sections for well-deformed nuclei is removed by using ∼7% larger radius for the surface imaginary part of this spherical OMP. Improved input parameters based on recent independent data, particularly γ-ray strength functions, but no empirical rescaling factor of the γ and/or neutron widths have been involved within statistical model calculation of the corresponding (α, x) reaction cross sections.

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Nuclear Data Sheets for A = 184

Baglin

2010

Nuclear Data Sheets

101

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182, 184, 186W(α, α') Reactions at Eα = 24 MeV

Cited by 6 publications

References 13 publications

Evidence of a slight nuclear transparency in the alpha-nucleus systems

Evidence of a slight nuclear transparency in the alpha-nucleus systems

Further explorations of theα-particle optical model potential at low energies for the mass rangeA≈45–209

Nuclear Data Sheets for A = 184

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