Chap. 4] PROTONS, DEUTERONS, AND ALPHA PARTICLES 



107 



3 



o 



> 



UJ 



1000 



cr 



10" 10' 



VELOCITY ( cm per sec ) 



Fig. 21. Energy-velocity curves for alpha particles, protons, and mesons. {Calculated by 

 B. G. Hoffman, University of California, Radiation Laboratory.) 



