Experimental data on (p) over bar slowing down at very low energy in a low
density (0.2 mbar pressure) Xe target evidence a very low capture cross sec
tion with respect to He, H-2 and D-2 in agreement with specific phenomenolo
gical previsions by Briggs et al. [Hyperfine Interact. 119 (1999) 235; J. P
hys. B 32 (1999) 197]. (C) 2001 Published by Elsevier Science B.V.