Proton-proton elastic scattering at 15, 20 and 30 bev/c

Proton-proton elastic scattering has been measured at 15.2, 20.0, and 29.7 BeV/c. The data at 20.0 BeV/c confirm the presence of a break at -t≅1.2 (BeV/c)2. The data at 29.7 BeV/c show essentially the same behavior. The cross section is still falling with increasing energy in this -t range. © 1970 The American Physical Society.