Abstract
An employment of the Complex-Range Gaussian basis for solving charged particle scattering is briefly described. The method is based on a discretization of the continuum and the Coulomb wave-packet formalism. As a result, the off-mass-shell Coulomb-nuclear t-matrix at any energy can be found from diagonalisation procedures for the total and pure Coulomb Hamiltonians. The approach is illustrated with the d-\(\alpha \) partial phase shifts and pp scattering with the NN interaction containing non-nucleon degree of freedom.
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Notes
- 1.
The properties of the basis were studied in detail in [1] where estimations for optimal values of b and a grid were given.
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Authors appreciate a partial financial support from the RFBR grant 19-02-00014.
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Sailaubek, D.A., Rubtsova, O.A., Kukulin, V.I. (2020). Complex-Range Gaussians as a Basis for Treatment of Charged Particle Scattering. In: Orr, N., Ploszajczak, M., Marqués, F., Carbonell, J. (eds) Recent Progress in Few-Body Physics. FB22 2018. Springer Proceedings in Physics, vol 238. Springer, Cham. https://doi.org/10.1007/978-3-030-32357-8_51
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DOI: https://doi.org/10.1007/978-3-030-32357-8_51
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