Scattering of (6)He at energies around the Coulomb barrier

Sánchez Benítez, Ángel Miguel; Escrig, Diego; Álvarez, M. A. G.; Andrés, M. V.; Angulo, C.; García Borge, María José; García Ramos, José Enrique

doi:10.1088/0954-3899/31/10/109

Autor

Sánchez Benítez, Ángel Miguel; Escrig, Diego; Álvarez, M. A. G.; Andrés, M. V.; Angulo, C.; [et al.]
Fecha de publicación

2005-09-12
Editor

Institute of Physics
Cita bibliográfica

Sánchez Benítez, A.M., Escrig, D., Álvarez, M.A.G., Andrés, M.V., Angulo, C., García Borge, M. J., García Ramos, J.E... [et al.] : "Scattering of (6)He at energies around the Coulomb barrier". Journal of Physics G: Nuclear and Particle Physics. Vol. 31, n. 10 Special Issue S1953-S1958 (2005). ISSN 0954-3899
Resumen

We have measured elastic cross sections of the scattering of 6He at ELab = 14, 16, 17, 18, 22 MeV on 208Pb in the angular ranges of 20± − 64± and 135± − 170±. A significant amount of 4He events is found at energies well below the Coulomb barrier, that becomes dominant above it. Optical Model calculations have been performed including a dynamic polarization potential. Very large imaginary diffuseness parameter is needed in order to describe the experimental distributions
URI

http://hdl.handle.net/10272/5535

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Scattering of (6)He at energies around the Coulomb barrier

Autor

Sánchez Benítez, Ángel Miguel; Escrig, Diego; Álvarez, M. A. G.; Andrés, M. V.; Angulo, C.; [et al.]

Fecha de publicación

2005-09-12

Editor

Institute of Physics

Cita bibliográfica

Sánchez Benítez, A.M., Escrig, D., Álvarez, M.A.G., Andrés, M.V., Angulo, C., García Borge, M. J., García Ramos, J.E... [et al.] : "Scattering of (6)He at energies around the Coulomb barrier". Journal of Physics G: Nuclear and Particle Physics. Vol. 31, n. 10 Special Issue S1953-S1958 (2005). ISSN 0954-3899

Resumen

We have measured elastic cross sections of the scattering of 6He at ELab = 14, 16, 17, 18, 22 MeV on 208Pb in the angular ranges of 20± − 64± and 135± − 170±. A significant amount of 4He events is found at energies well below the Coulomb barrier, that becomes dominant above it. Optical Model calculations have been performed including a dynamic polarization potential. Very large imaginary diffuseness parameter is needed in order to describe the experimental distributions