Subbarrier fusion reactions of an aligned deformed nucleus

Hagino, K.; Sakaguchi, Satoshi

doi:10.1103/physrevc.100.064614

Cited by 8 publications

(2 citation statements)

References 48 publications

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“…The potential parameters for the same system has also been compared with Ref. [40]; both results are found to be identical. The CCFULL calculations in the no-coupling limit are shown by the dotted curve in Fig.…”

Section: Comparison With Coupled Channels Calculationsmentioning

confidence: 87%

Fusion of 16O+165Ho at deep sub-barrier energies

Bhattacharjee,

Mukherjee,

Gupta

et al. 2021

Preprint

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Fusion cross-sections have been measured for the asymmetric system 16 O+ 165 Ho at energies near and deep below the Coulomb barrier with an aim to investigate the occurrence of fusion hindrance for the system. Fusion cross sections down to ∼ 700 nb have been measured using the off-beam γray technique. The fusion cross sections have been compared with the coupled channel calculations. Although the onset of fusion hindrance could not be observed experimentally, an indication of a small deviation of the experimental fusion cross-sections with respect to the calculated cross-sections could be observed at the lowest energy measured. However, the energy onset of fusion hindrance has been obtained from the extrapolation technique and is found to be about 2 MeV below the lowest energy of the present measurement.

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Section: Comparison With Coupled Channels Calculationsmentioning

confidence: 87%

Fusion of 16O+165Ho at deep sub-barrier energies

Bhattacharjee,

Mukherjee,

Gupta

et al. 2021

Preprint

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“…According to this model [12,13], for fusion-evaporation reactions [14,15], the ER crosssection is written as where σ c (E cm , J) is the capture cross-section at the center of mass energy E cm and spin J. P CN is the probability that the projectile-target system will evolve from the contact configuration inside the fission saddle point to form a completely fused system rather than reseparating (quasifission or fast fission). Furthermore, the nucleus-nucleus potential plays an important role in the formation of ER cross-sections, and is explained in detail in the literature [16]. P sur xn is known as the survival probability and defined as the probability that the completely fused system will decay by the x number of neutron emissions rather than fission.…”

Section: Introductionmentioning

confidence: 99%

Survival probability of compound nuclei in heavy-ion fusion reaction

Manjunatha¹,

Gupta²,

Sowmya³

et al. 2023

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

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We have developed an empirical formula for survival probability for the superheavy nuclei by analyzing about 95 fusion experiments, which were classified into four categories based on the deformation parameters of a projectile-target system. Every category is analyzed in ten different entrance channel parameters; one of these displays the smoothest variation. That channel is none but the Z2/A, where Z and A are the atomic number and mass number, respectively. Further, the predicted empirical relation is improved by the inclusion of the fission barrier, separation energy, level density parameter, center of mass energy and fusion barrier height for the Z2/A term. Furthermore, the ER cross section is maximum at certain beam energy called the optimal energy. Thus finding the survival probability at the optimal energy is important to synthesizing a superheavy nucleus. We have developed an empirical formula for the survival probability at the optimal energy to facilitate future superheavy nuclei synthesis.

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Neuro-fuzzy modeling of deformation parameters for fusion-barriers

Akkoyun

Torun

2021

Nuclear Engineering and Technology

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Subbarrier fusion reactions of an aligned deformed nucleus

Cited by 8 publications

References 48 publications

Fusion of 16O+165Ho at deep sub-barrier energies

Fusion of 16O+165Ho at deep sub-barrier energies

Survival probability of compound nuclei in heavy-ion fusion reaction

Neuro-fuzzy modeling of deformation parameters for fusion-barriers

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