Improved deuteron elastic breakup energy dependence via the continuum-discretized coupled-channels method

Avrigeanu, M.; Moro, A. M.

doi:10.1103/physrevc.82.037601

Cited by 28 publications

(35 citation statements)

References 42 publications

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“…the scattering of stable and unstable projectiles [62,63,[67][68][69][70][71][72][73][74][75][76][77][78][79][80]. Here the interactions between 30 Ne and 12 C and between n and 12 C are constructed with the DFM with the Melbourne g-matrix, and the potential between 30 Ne and n is made with the well-depth method; see Refs.…”

Section: B Amd Analysis For Ne Isotopesmentioning

confidence: 99%

Deformation of Ne isotopes in the region of the island of inversion

et al. 2012

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The deformation of Ne isotopes in the island-of-inversion region is determined by the doublefolding model with the Melbourne g-matrix and the density calculated by the antisymmetrized molecular dynamics (AMD). The double-folding model reproduces, with no adjustable parameter, the measured reaction cross sections for the scattering of 28−32 Ne from 12 C at 240MeV/nucleon. The quadrupole deformation thus determined is around 0.4 in the island-of-inversion region and 31 Ne is a halo nuclei with large deformation. We propose the Woods-Saxon model with a suitably chosen parameterization set and the deformation given by the AMD calculation as a convenient way of simulating the density calculated directly by the AMD. The deformed Woods-Saxon model provides the density with the proper asymptotic form. The pairing effect is investigated, and the importance of the angular momentum projection for obtaining the large deformation in the island-of-inversion region is pointed out.

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Section: B Amd Analysis For Ne Isotopesmentioning

confidence: 99%

Deformation of Ne isotopes in the region of the island of inversion

et al. 2012

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“…Accordingly, it is widely used to study reactions with halo nuclei (e.g. [7,23,24]). CDCC has been recently tested through a detailed comparison with the exact Faddeev formulation for deuteron collisions on various targets at different energies [25].…”

Section: Introductionmentioning

confidence: 99%

Extension of the ratio method to low energy

Colomer¹,

Capel²,

Nunes³

et al. 2016

Phys. Rev. C

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Background:The ratio method has been proposed as a means to remove the reaction model dependence in the study of halo nuclei. Purpose: Originally, it was developed for higher energies but given the potential interest in applying the method at lower energy, in this work we explore its validity at 20 MeV/nucleon. Method: The ratio method takes the ratio of the breakup angular distribution and the summed angular distribution (which includes elastic, inelastic and breakup) and uses this observable to constrain the features of the original halo wave function. In this work we use the Continuum Discretized Coupled Channel method and the Coulomb-corrected Dynamical Eikonal Approximation for the study. Results: We study the reactions of 11 Be on 12 C, 40 Ca and 208 Pb at 20 MeV/nucleon. We compare the various theoretical descriptions and explore the dependence of our result on the core-target interaction. Conclusions: Our study demonstrates that the ratio method is valid at these lower beam energies.

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“…[11]) are also shown. The agreement of the CDCC elastic-breakup cross sections [15] and the latter systematics can be considered as a validation of the present advanced model approach. Moreover, the comparison shown in Fig.…”

Section: Phenomenological Eb Versus Cdcc Formalismmentioning

confidence: 99%

“…1(b) points out that the CDCC calculations lead to elastic-breakup cross sections which follow the total-breakup cross section behavior as well as that of the reaction cross section shown in Fig. 1(a), and makes clear that the empirical parameterization extrapolation for the elastic-breakup cross sections beyond the energies considered in this respect should be done with caution [15].…”

Section: Phenomenological Eb Versus Cdcc Formalismmentioning

confidence: 99%

“…Concerning the energy dependence of the inelastic-and elastic-breakup components, the interest of the deuteron activation for incident energies up to 30 MeV has motivated an additional check [15] of the elastic-breakup parameterization extension beyond the energies formerly considered for the derivation of its actual form.…”

Section: Phenomenological Eb Versus Cdcc Formalismmentioning

confidence: 99%

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Deuteron-induced reaction mechanisms at low energies

Avrigeanu

Román

2012

EPJ Web of Conferences

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Abstract. An extended analysis of the reaction mechanisms involved within deuteron interaction with nuclei is presented. An increased attention is devoted to the breakup mechanism, all its components, namely the elastic, inelastic (fusion), and total breakup being carefully considered. Next, the direct reactions represented by the stripping and pick-up mechanisms are discussed. Finally, the pre-equilibrium and compound-nucleus contributions, corrected for the breakup, stripping, and pick-up decrease of the total reaction cross section, complete the deuteron-induced reaction cross section analysis. The overall agreement between the measured data and model calculations validates the description of nuclear mechanisms taken into account for the deuteron-nucleus interaction.

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Improved deuteron elastic breakup energy dependence via the continuum-discretized coupled-channels method

Cited by 28 publications

References 42 publications

Deformation of Ne isotopes in the region of the island of inversion

Deformation of Ne isotopes in the region of the island of inversion

Extension of the ratio method to low energy

Deuteron-induced reaction mechanisms at low energies

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