Complex-range gaussians as a basis for treatment of charged particle scattering. (English) Zbl 1437.81112
Orr, N. A. (ed.) et al., Recent progress in few-body physics. Proceedings of the 22nd international conference on few-body problems in physics, FB22, Caen, France, July 9–13, 2018. Cham: Springer. Springer Proc. Phys. 238, 287-291 (2020).
Summary: 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.
For the entire collection see [Zbl 1432.81005].
For the entire collection see [Zbl 1432.81005].
MSC:
| 81U05 | \(2\)-body potential quantum scattering theory |
| 39A12 | Discrete version of topics in analysis |
| 81V35 | Nuclear physics |
| 81V10 | Electromagnetic interaction; quantum electrodynamics |
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