Abstract
Electron and positron scattering processes in the gas-phase are analysed for uracil and pyrimidine molecules using a multichannel quantum approach at energies close to threshold. The special effects on the scattering dynamics induced by the large dipole moments in both molecules on the spatial features of the continuum leptonic wavefunctions are here linked to the possible bound states of the Rydberg-like molecular anions or ‘positroned’ molecules which could be reached via further couplings with molecular internal degrees of freedom.
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Contribution to the Topical Issue “COST Action Nano-IBCT: Nano-scale Processes Behind Ion-Beam Cancer Therapy”, edited by Andrey Solov’yov, Nigel Mason, Gustavo García, Eugene Surdutovich.
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Carelli, F., Gianturco, F.A., Franz, J. et al. A dipole-driven path for electron and positron attachments to gas-phase uracil and pyrimidine molecules: a quantum scattering analysis. Eur. Phys. J. D 69, 143 (2015). https://doi.org/10.1140/epjd/e2015-60096-5
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DOI: https://doi.org/10.1140/epjd/e2015-60096-5