Sodium has only one stable isotope 23Na. The cross section for the elastic scattering of protons from sodium was measured in [DEA56, VAN87, BAU56]. It is of complicated structure with many strong narrow resonances. The points measured in [DEA56] are in obvious disagreement with the other two sets of the data and so they were discarded in the evaluation.

[DEA56] G. Dearnaley, Philos. Mag. ser. 8, 1 (1956) 821.
[VAN87] J. R. Vanhoy, E. G. Bilpuch, C. R. Westerfeldt, G. E. Mitchell, Phys. Rev. C 36 (1987) 920.
[BAU56] N.P. Baumann, F.W. Prosser, G.W. Read, R.W. Krone, Phys. Rev. 104 (1956) 376.

Last update 12-11-2013