Elsevier

Nuclear Physics A

Volume 361, Issue 2, 25 May 1981, Pages 399-411
Nuclear Physics A

Monte Carlo calculations of triton and 4He nuclei with the Reid potential

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Abstract

A Monte Carlo method is developed to calculate the binding energy and density distribution of the 3H and 4He nuclei for a variational wave function written as a symmetrized product of correlation operators. The upper bounds obtained with the Reid potential are −6.86±0.08 and −22.9±0.5 MeV respectively. The Coulomb interaction in 4He is ignored. The calculated density distributions have reasonable radii, but they do not show any dip at the center.

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    In the early phase of the 4N problem various ab initio methods were also applied to 4N scattering. We do not discuss the corresponding results in detail, but, at least, give a list of these early 4N scattering studies: [210] (RGM), [211] (HH), [212] (FY), [213] (FY), [214] (AGS-like), [215] (RGM). The more modern phase of 4N calculations started at the end of the 1980s, when not only the first GFMC calculations with realistic NN potential models emerged, but, in addition in the early 1990s quite a variety of different groups applying different methods appeared on the scene.

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Supported by NSF PHY78-26582 and USDOE Contract No. DE-AC02-76ER13001.

††

Present address: Instituto de Fisica, UNAM, Apartado Postal 20-364, Mexico.

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