Calculation of asymptotic normalization coefficients in the complex-ranged Gaussian basis

Dinmukhamed A. Sailaubek, Olga A. Rubtsova

SciPost Phys. Proc. 3, 043 (2020) · published 27 February 2020

Proceedings event

24th European Few Body Conference

Abstract

A new technique towards finding asymptotic normalization coefficients in the complex-ranged Gaussian basis is presented. It is shown that a diagonalisation procedure for the total Hamiltonian matrix in the given basis results in approximation for a radial part of the bound state wave function from the origin up to the far asymptotic distances, which allows to extract ANCs rather accurately. The method is illustrated by calculations of single-particle ANCs for nuclei bound states in cases of non-local nucleon-nucleus interactions, in particular, phenomenological global potentials with the Perey-Buck's non-locality.


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