Breakup and neutron-transfer effects on 6He+206Pb elastic scattering below the Coulomb barrier

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Abstract

The elastic scattering and inclusive α-particle yield for the 6He + 206Pb system at an incident energy of 18 MeV, just below the nominal Coulomb barrier, have been measured. The α-particle yield at forward angles is also reported. The data are analyzed by means of continuum-discretized coupled-channels, distorted wave Born approximation, and coupled reaction channels calculations. Couplings to the one-neutron- and two-neutron-transfer reactions are found to be able to account for most of the absorption in the entrance channel.

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Standyło, Ł., Acosta Sánchez, L.A., Angulo, C., Berjillos, R., Duenas, J. A., Golovkov, M. S., Keeley, N., Keutgen, T., Martel Bravo, I., Mazzocco, M., Pérez Bernal, F., Sánchez Benítez, A. M., Signorini, C., Romoli, M., Rusek, K., Wolski, R.: "Breakup and neutron-transfer effects on 6He+206Pb elastic scattering below the Coulomb barrier". Physical Review C. Vol. 87, 064603 (2013). ISSN 0556-2813

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