Chap. 4] PROTONS, DEUTERONS, AND ALPHA PARTICLES 



111 



2500 



ENERGY IN MEV 



5000 7500 



10 000 



o 



UJ 



© 



< 



T 





— — t — — i" 



•— +" 





mmm 



mm 



o 



« 



o 



UJ 



© 



z 

 < 

 cr 



RANGE OF PROTONS IN AIR 



to 10,000 mev 

 I5°C. 760 mm Hg, 1 = 80.5 ev 



Plotted from data calculated from the 

 Bethe theory by J.H.Smith, Phys.Rev. 

 71, 32 (1947 ). 



■ 



i m ■ \ 



' I : -;t=mtmi 



100 200 



ENERGY IN MEV 



Fig. 25 



300 



400 



