Uncertainties in the comparison of fusion and reaction cross sections of different systems involving weakly bound nuclei

Gomes, P. R. S.; Lubián, J.; Padron, I.; Anjos, R. M.

doi:10.1103/physrevc.71.017601

Cited by 145 publications

(120 citation statements)

References 16 publications

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“…In order to compare total reaction cross sections between different systems one has to reduce the cross sections to remove trivial effects due to the different sizes and different Coulomb barriers. Several methods have been proposed to reduce total reac-tion cross sections [46][47][48] …”

Section: Total Reaction Cross Sectionmentioning

confidence: 99%

B8+Al27 scattering at low energies

et al. 2017

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We present 8 B+ 27 Al elastic scattering angular distributions for the proton-halo nucleus 8 B at two energies above the Coulomb barrier, namely E lab = 15.3 MeV and 21.7 MeV. The experiments have been performed in the Radioactive Ion Beams in Brasil facility (RIBRAS) in São Paulo, and in the TwinSol facility at the University of Notre Dame, USA. The angular distributions were measured in the angular range of 15-80 degrees. Optical model and Continuum Discretized Coupled Channels calculations have been performed and the total reaction cross sections have been derived. A comparison of the 8 B+ 27 Al total reaction cross sections with similar systems including exotic, weakly and tightly bound projectiles impinging on the same target is presented.

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Section: Total Reaction Cross Sectionmentioning

confidence: 99%

B8+Al27 scattering at low energies

et al. 2017

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“…for instance in Refs. [19][20][21]. Here we chose the prescription recommended in [19], where the cross sections are divided by the quantity r 2 pt , with r pt = A 1/3…”

Section: Proton and Fusion Cross Sectionsmentioning

confidence: 99%

Near-barrier fusion and total reaction of a proton-rich projectile:3He+58Ni

et al. 2013

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Evaporation protons from the fusion of the 3 He + 58 Ni system were measured at three energies near but above the Coulomb barrier. The respective elastic scattering angular distribution was also determined for one of these energies. The fusion data, after being properly reduced to eliminate size and charge effects, are compared to the recently-measured fusion excitation function for the proton-halo system 8 B + 58 Ni. As a reference, fusion data for the 16 O + 58 Ni system are also presented. With respect to this reference, the fusion cross sections for the proton-rich systems show an enhancement likely related to static effects. An excitation function for the respective total reaction cross section was extracted from the measured elastic data along with additional data from the literature. Surprisingly, this excitation function follows the trend expected for weakly-bound systems. 25.60.Dz, 25.60.Pj

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“…Reduced total reaction cross section vs reduced projectile energy for the 6,7 Li + 232 Th and 11 B + 232 Th reactions using the prescription given in Ref. [10] in 4 (b). method, the quantities σ R / (A 1/3…”

Section: Total Reaction Cross Sectionmentioning

confidence: 99%

“…In order to eliminate the projectile size effect on the reaction cross sections for 11 B + 232 Th system, the "reduction" method was used. This method was proposed by Gomes et al [10] and has been well implemented by others [4,5,11,12]. The reduced cross section values were calculated at all energies for the system.…”

Section: Total Reaction Cross Sectionmentioning

confidence: 99%

Energy dependence of optical potential in the near barrier elastic scattering of¹¹B from²³²Th

Dubey

Mukherjee

Patel

et al. 2015

EPJ Web of Conferences

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Abstract. The elastic scattering cross sections of 11 B projectile on the 232 Th target have been measured at different bombarding energies close to the Coulomb barrier. The data has been analyzed for this system using the optical model ECIS code with phenomenological Woods-Saxon forms of the optical potentials. The energy dependence of the volume type real and imaginary parts of the optical potentials are derived from the best fit of the experimental angular distribution data. The total reaction cross sections are obtained from optical model analysis.

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Uncertainties in the comparison of fusion and reaction cross sections of different systems involving weakly bound nuclei

Cited by 145 publications

References 16 publications

B8+Al27 scattering at low energies

B8+Al27 scattering at low energies

Near-barrier fusion and total reaction of a proton-rich projectile:3He+58Ni

Energy dependence of optical potential in the near barrier elastic scattering of¹¹B from²³²Th

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Uncertainties in the comparison of fusion and reaction cross sections of different systems involving weakly bound nuclei

Cited by 145 publications

References 16 publications

B8+Al27 scattering at low energies

B8+Al27 scattering at low energies

Near-barrier fusion and total reaction of a proton-rich projectile:3He+58Ni

Energy dependence of optical potential in the near barrier elastic scattering of11B from232Th

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Resources

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Energy dependence of optical potential in the near barrier elastic scattering of¹¹B from²³²Th