Folding model analysis of 240 MeV<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Li</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>6</mml:mn></mml:mrow></mml:mmultiscripts></mml:math>elastic scattering on<mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" display="inline"><mml:mmultiscripts><mml:mi mathvariant="normal">Sn</mml:mi><mml:mprescripts /><mml:none /><mml:mrow><mml:mn>116</mml:mn></mml:mrow></mml:mmultiscript

Chen, X.; Lui, Y.‐W.; Clark, H. L.; Tokimoto, Y.; Youngblood, D. H.

doi:10.1103/physrevc.76.054606

Cited by 21 publications

(2 citation statements)

References 42 publications

(38 reference statements)

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“…As far as we know, no experimental measurements exist at ≈ 15 AMeV incident energy, and no theoretical analyses are present in the literature regarding the case of the 20 Ne + 130 Te system, although some works are focused on elastic scattering with the 20 Ne beam [41,42] or the 130 Te target [43,44]. Regard-ing the 18 O + 116 Sn case, such analyses were performed using lighter projectiles [45] or by fitting procedures with free-parameter Woods-Saxon potentials [46], not useful for the purposes of NUMEN [8].…”

Section: Introductionmentioning

confidence: 99%

Initial State Interaction for the 20Ne + 130Te and 18O + 116Sn Systems at 15.3 AMeV from Elastic and Inelastic Scattering Measurements

et al. 2021

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Double charge exchange (DCE) reactions could provide experimentally driven information about nuclear matrix elements of interest in the context of neutrinoless double-β decay. To achieve this goal, a detailed description of the reaction mechanism is mandatory. This requires the full characterization of the initial and final-state interactions, which are poorly known for many of the projectile-target systems involved in future DCE studies. Among these, we intend to study the 20Ne + 130Te and 18O + 116Sn systems at 15.3 AMeV, which are particularly relevant due to their connection with the 130Te→130Xe and 116Cd→116Sn double-β decays. We measure the elastic and inelastic scattering cross-section angular distributions and compare them with theoretical calculations performed in the optical model, one-step distorted wave Born approximation, and coupled-channel approaches using the São Paulo double-folding optical potential. A good description of the experimental data in the whole explored range of transferred momenta is obtained provided that couplings with the 21+ states of the projectile and target are explicitly included within the coupled-channel approach. These results are relevant also in the analysis of other quasi-elastic reaction channels in these systems, in which the same couplings should be included.

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Section: Introductionmentioning

confidence: 99%

Initial State Interaction for the 20Ne + 130Te and 18O + 116Sn Systems at 15.3 AMeV from Elastic and Inelastic Scattering Measurements

et al. 2021

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“…Here, the proximity potential model [34,35] was applied to calculate the nucleus-nucleus potential. It is well known for studying nuclear reactions and decays including elastic scattering [37,38], fusion reaction [3,[39][40][41][42][43][44][45][46][47], proton decay of proton emitter [46,47], and alpha decay of heavy and super-heavy nuclei [48][49][50][51]. In 1977, Blocki et al [34] presented the first version of the proximity potentials which is known as 'Proximity 1977 (Prox.…”

Section: Methodsmentioning

confidence: 99%

Role of nuclear surface tension coefficients in the isotopic dependence of fusion dynamics for neutron-rich colliding nuclei: New parametrization of fusion barriers

Gharaei¹,

Farkhonde²

2020

Phys. Scr.

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A theoretical approach is developed to study systematically the influence of the nuclear surface tension coefficient, γ, of the proximity formalism on the isotopic behavior of the fusion dynamics over a wide range of neutron-rich colliding systems with condition of 1 ≤ N/Z < 1.6 for their compound nuclei. Here six different versions of the surface energy coefficient (γ-PD03, γ-MS67, γ-MS66, γ-MN81-I, γ-MN81-II and γ-MN76) in the calculation of the nuclear potential based on the original proximity potential 1977are employed. It is found that the fusion barrier characteristics and fusion cross sections follow a linear isotopic dependence which is sensitive to the change in the nuclear surface tension between the reacting nuclei. The maximum sensitivity of the data to this technical parameter is obtained for the use of the γ-PD03 version. Further, it is shown that the sensitivity of the isotopic behavior of the fusion cross sections to the coefficient γ increases by decreasing the incident energy. After the calculation of fusion barrier heights and positions using the different versions of proximity potentials, we have searched for their parametrization. Firstly, we present a pocket formula for fusion barriers which is directly dependent on both the coefficient γ and the N/Z ratio of the isotopic systems. Our analysis for the studied isotopic systems reveals that the agreement with the empirical data is improved when we consider the dependence of the analytical parameterized formulas on this coefficient. Further, the fusion cross sections obtained by the present pocket formula are in good agreement with the corresponding experimental data. A comparison with other well known parameterized forms in the context of isotopic studies is also made.

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Nuclear Data Sheets for A = 116

Blachot¹

2010

Nuclear Data Sheets

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Folding model analysis of 240 MeVLi6elastic scattering onSn116

Cited by 21 publications

References 42 publications

Initial State Interaction for the 20Ne + 130Te and 18O + 116Sn Systems at 15.3 AMeV from Elastic and Inelastic Scattering Measurements

Initial State Interaction for the 20Ne + 130Te and 18O + 116Sn Systems at 15.3 AMeV from Elastic and Inelastic Scattering Measurements

Role of nuclear surface tension coefficients in the isotopic dependence of fusion dynamics for neutron-rich colliding nuclei: New parametrization of fusion barriers

Nuclear Data Sheets for A = 116

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