21-23 February 2011
Colegio Rector Peset
Europe/Madrid timezone

Selective sensitivity of proton scattering to densities on the nuclear surface

22 Feb 2011, 17:55
Colegio Rector Peset

Colegio Rector Peset


Hugo Arellano (Physics Department - FCFM - U Chile)


Microscopic descriptions of nucleon scattering from nuclei depend on the matter distribution of their neutron and proton constituents. Additionally, the different behaviour of density-dependent effective interactions in the pp and pn channels offer a selective mechanism by which proton probes couple to the proton and neutron densities of the nucleus. Recent formal studies of the optical model potential have demonstrated the surface contributions to the optical potential depend on the gradient of the density-dependent effective interaction, and that proton probes couple strongly to the neutron than to the proton density. These properties poses limits the sensitivity of proton scattering to the matter distribution of proton-rich nuclei. We illustrate these findings with selected applications.


G. Blanchon (CEA, DAM, DIF) Hugo Arellano (Physics Department - FCFM - U Chile) M. Dupuis (CEA, DAM, DIF)

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