HADIOISOTOPES — AEBERSOLD 



227 



PILE PRODUCTION OF RADIOISOTOPES 



NEUTRON CAPTURE 



(Q7)IIEACTDN 



NEUlESEt 



©HA PARTICLE) 



t> 



NORMAL 

 CARBON 



LOW ACTIVITY PER 

 GRAM OF CARBON 



STABLE 



NEUTOI 



(BETA PARTiaO 



NORMAL LOW ACTIVITY PER 



PHOSPHORUS GRAM OF PHOSPHORUS 



STABLE 



TRANSMUTATION 



(Q p) REACTION 



NEUl^S 



® (PHOTON) 



^(BETA PARTIClt) 



NORMAL 

 NITROGEN 



HIGH ACTIVITY PER 

 GRAM OF CARBON 



NEUT 



® (PROTON) 



/^(bIta 



IMTCLE) 



NORMAL 

 SULFUR 



HIGH ACTIVITY PER 

 GRAM OF PHOSPHORUS 



STABLE 



Figure 4. — See legend on opposite page. 



