Elastic deuteron scattering and optical model parameters at energies up to 100 MeV

Abstract

Differential cross sections of elastic scattering of deuterons on the target nuclei 'Al, Y, ' Sn, and Pb were measured at Ed --58.7 MeV and Ed --85 MeV. "Best-fit" parameters in terms of the phenomenological optical model were extracted from the data including in addition differential cross section and analyzing power data from the literature. A set of global optical potential parameters is derived.

Change of nuclear configurations in the neutrinoless double-βdecay ofTe130→Xe130andEntwisle1, Kay2, Tamii3 et al. 2016Phys. Rev. C295340View full textAdd to dashboardCite

“…With the gas target such a measurement is not possible as the scattered ions would have insufficient energy to pass through the gas volume and the windows. The elastic deuteron-scattering cross section was explored with four different optical-model calculations using different global parameterizations [34][35][36][37]. The calculated cross sections at the local maximum of θ lab = 11.4…”

Low energy deuteron elastic scattering on light and medium nuclei

“…The differences with respect to the evaluated total reaction cross sections of the ACSELAM library are about 25-30%. An additional comparison between the experimental data and the angular distributions calculated using the deuteron global OMP of Bojowald et al [12] showed the lack of reliability Fe isotopes between 5 and 56 MeV using the present phenomenological OMP (solid curves), the global potentials [11] (dash-dotted curves) and [12] (dotted curves), and the TALYS option based on Watanabe approach (dashed curves). 93 Nb isotopes between 12 and 52 MeV using the present phenomenological OMP (solid curves), the global potentials [11] (dash-dotted curves) and [12] (dotted curves), and the TALYS option based on Watanabe approach (dashed curves).…”

“…The deuteron elastic-scattering experiments on Al, Fe, Cu and Nb isotopes, at incident energies lower than 20 MeV, are not satisfactorily described by any of the phenomenological well-known OMPs of either Perey and Perey [9], Lohr and Haeberli [10], Daehnick et al [11], or Bojowald et al [12] as well as the recent analyses [13]. Moreover, the analysis of the low-energy elastic scattering data suffers from discrete and continuous ambiguities in the OMP parameters, whose uncertainties vary for various target nuclei and for different incident energies due to the precision of data analyzed.…”

“…In conclusion, an improved description of the experimental data [15] from 5 to 60 MeV is provided with respect to the predictions of the above-mentioned global OMP parameter sets [10][11][12] and the default OMP within the code TALYS [7]. The latter makes use of the nucleon OMP of Koning and Delaroche [24] and applies a simplification of the folding approach of Watanabe [23].…”

“…The computer [11] (dash-dotted curves), [12] (dotted curves), the TALYS options based on Watanabe approach (short-dashed curves) and systematics of non-elastic cross sections (dashed curves), and the ACSELAM library [6] (dash-dot-dotted curves).…”