Examination of the energy dependence of the fusion process

Torabi, F.; Ghodsi, O. N.; Pahlavani, M. R.

doi:10.1103/physrevc.95.034601

Cited by 5 publications

(3 citation statements)

References 39 publications

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“…A few of them can be found in Refs. [6,[10][11][12][13][14][15][16][17][18]. Particularly, in page number 10 of Ref.…”

Section: Resultsmentioning

confidence: 99%

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Scattering and fusion reaction dynamics of O + Zr system around Coulomb barrier

Dash¹,

Swain²,

Tripathy³

et al. 2022

Chinese Phys. C

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A partial wave scattering matrix for the total effective complex potential of nucleus nucleus collisions is used to handily analyze the angular variations of elastic scattering and fusion cross-sections simultaneously with a unique potential. The expectation value of the imaginary part of the potential calculated using the distorted waves from the full potential in the elastic channel accounts for σr. This is equated as the sum of the cross-sections due to absorption in different regions of the potential where the imaginary part is actively present. The potential is taken as energy independent and its weakly absorbing nature, which supports the resonance states in various partial wave trajectories. Therefore, these resonances show oscillatory behavior changes with respect to energy D(Ec.m) = d2(Ec.mσfus) dE2 c.m . In this paper, we have successfully discussed the elastic scattering and fusion cross-sections simultaneously with the results of D(Ec.m.) for 16O+92Zr system.

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“…A few of them can be found in Refs. [6,[10][11][12][13][14][15][16][17][18]. Particularly, in page number 10 of Ref.…”

Section: Resultsmentioning

confidence: 99%

“…This multi-step (MP) approach is the simplest computation to the solution of the differential equation as compared to the well-accepted method explained in Refs. [9][10][11][12][13][14][15][16][17][18][19][20][21]. The advantage and significance of this method are reported in previous studies of ours, Refs.…”

Section: Theoretical Frameworkmentioning

confidence: 95%

Scattering and fusion reaction dynamics of O + Zr system around Coulomb barrier

Dash¹,

Swain²,

Tripathy³

et al. 2022

Chinese Phys. C

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show abstract

“…Each Skyrme parameterization is characterized by definite NM properties, such as symmetry energy and its density slope, incompressibility, and effective mass. The effective NN interactions in the form of Skyrme energydensity functionals successfully allowed the semi-microscopic self-consistent description of nuclear structure [19][20][21][22][23], reactions [9,[24][25][26], and decays [27][28][29][30][31], as well as nuclear matter properties [32][33][34] and astrophysical phenomena [35,36] investigations. It has been applied extensively in mean-field studies for several decades.…”

Section: Introductionmentioning

confidence: 99%

Impact of different components of the Skyrme nucleon-nucleon effective interaction on the nuclear density distribution

Seif,

Hashem

2023

Preprint

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We systematically investigate the impact of the different terms of the Skyrme energy density functional of the effective nucleon-nucleon interaction, and of its associated nuclear matter (NM) properties, on the density distributions of spherical nuclei. Twenty five Skyrme force parameterizations are examined simultaneously, covering a broad range of each characteristic parameter and NM property. The diffuseness and the neutron-skin thickness are found to be the most sensitive density quantities to the force parameterization. The diffuseness is indicated to decrease with increasing the central zero-range and the effective mass terms of the effective force, and the power σ of its density dependent term, as well as with the coefficient of the NM symmetry energy (a sym) and its density slope (L) at saturation density, and the incompressibility (K o). In contrast, the proton and neutron diffuseness tend to increase with increasing the spin-orbit force and the isoscalar effective nucleon-mass (m*), and to increases slightly with the density dependence parameters other than the power σ. Opposite impacts are pointed out for the different parts of the finite-range, and J 2 tensor terms on the proton and neutron density. While the neutron-skin thickness tends to increase significantly upon increasing the central zero-range and spin-orbit force terms, a sym , L, and K o , and to increase slightly with the finite-range and J 2 tensor terms, and σ, it decreases with the effective-mass term, the density-dependence exchange parameter, and with the indicated isoscalar effective mass. The proton and neutron radii exhibit decreasing behavior with the central zero-range and the spin-orbit terms, and with K o , and m*. Increasing a sym and L indicate slightly less (larger) proton (neutron) radius.

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Impact of different components of the Skyrme nucleon–nucleon effective interaction on the nuclear density distribution

Seif,

Hashem

2023

Sci Rep

View full text Add to dashboard Cite

We systematically investigate the impact of the different terms of the Skyrme energy density functional of the effective nucleon-nucleon interaction, and of its associated nuclear matter (NM) properties, on the density distributions of spherical nuclei. Twenty five Skyrme force parameterizations are examined simultaneously, covering a broad range of each characteristic parameter and NM property. The diffuseness and the neutron-skin thickness are found to be the most sensitive density quantities to the force parameterization. The diffuseness is indicated to decrease with increasing the central zero-range and the effective mass terms of the effective force, and the power σ of its density dependent term, as well as with the coefficient of the NM symmetry energy (asym) and its density slope (L) at saturation density, and the incompressibility (Ko). In contrast, the proton and neutron diffuseness tend to increase with increasing the spin–orbit force and the isoscalar effective nucleon-mass (m*), and to increases slightly with the density dependence parameters other than the power σ. Opposite impacts are pointed out for the different parts of the finite-range, and J2 tensor terms on the proton and neutron density. While the neutron-skin thickness tends to increase significantly upon increasing the central zero-range and spin–orbit force terms, asym, L, and Ko, and to increase slightly with the finite-range and J2 tensor terms, and σ, it decreases with the effective-mass term, the density-dependence exchange parameter, and with the indicated isoscalar effective mass. The proton and neutron radii exhibit decreasing behavior with the central zero-range and the spin–orbit terms, and with Ko, and m*. Increasing asym and L indicate slightly less (larger) proton (neutron) radius.

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Examination of the energy dependence of the fusion process

Cited by 5 publications

References 39 publications

Scattering and fusion reaction dynamics of O + Zr system around Coulomb barrier

Scattering and fusion reaction dynamics of O + Zr system around Coulomb barrier

Impact of different components of the Skyrme nucleon-nucleon effective interaction on the nuclear density distribution

Impact of different components of the Skyrme nucleon–nucleon effective interaction on the nuclear density distribution

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