Elastic scattering and α-particle production in 6He + 208Pb collisions at 22 MeV
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Abstract
Experimental results of the elastic scattering of 6He on 208Pb at ELAB = 22 MeV, measured at the CRC facility
(Louvain-la-Neuve, Belgium), are presented, including results on the 4He production channel. These data were
taken with full angular coverage and high angular resolution. Both experimental cross sections are compared
with continuum discretized coupled channels and distorted-wave Born approximation calculations, where direct
breakup and transfer to the continuum processes are considered. The elastic data confirm the absence of the
Coulomb rainbow, while the distribution of α particles indicates that such production is mostly generated by
transfer to the continuum.
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Acosta Sánchez, L.A., Sánchez Benítez, A.M., Gómez, M.E., Martel Bravo, I., Pérez Bernal, F., Pizarro, F., Rodríguez Quintero, J., Rusek, K., Álvarez, M.A.G., Andrés, M.V., Espino, J.M., Fernández García, J.P., Gómez Camacho, J., Moro, A.M., Angulo, C., Cabrera Caño, J., Casarejos, E., Demaret, P., Borge, M.J.G., Escrig, D., Tengblad, O., Cherubini, S., Figuera, P., Gulino, M., Freer, M., Metelko, C., Ziman, V., Raabe, R., Mukha, I., Smirnov, D., Kakuee, O.R., Rahighi, J.: "Elastic scattering and α-particle production in 6He + 208Pb collisions at 22 MeV". Physical Review C. Vol. 84, 044604 (2011. ISSN 0556-2813
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