Physics Bucharest 2017

Intermezzo to introduce ionometric standards (III)



passing electrons #

loss energy mean V

electron passing per V in

 PD

) (

mass

medium of

V in

Consider parallel beam from certain direction (without loss of generality)

cross-section O [m 2 ] of V

V     dx dE c



O)P(

d

P

)P(D 

O V

d 

 (P)

dx dE



)P(

c

)P(D 



 

) /S()P(

c

