CPB Ljubljana 2018 course book

Radioactive Decay

β +

▪  + decay

The β + general disintegration scheme is shown in the following equation

A Z

A

0

0 0



parent

daughter 1Z

 Q



  

 

1

e





The β + -particle and the neutrino share the disintegration energy Q β+ . The emitted β + -particle can have any kinetic energy up to the maximum possible, T β+,max , as can be derived from:

E

= Q

β+,max

β+

and

E

max , 



E







3