paulo1913 Posted June 25, 2007 Posted June 25, 2007 Why wolud you expect alpha particles, with their greater charge, to be less able to penetrate materials than beta particles of the same energy?
YT2095 Posted June 25, 2007 Posted June 25, 2007 it`s a bit like comparing a kicked football to a .223 high velocity sniper round.
alan2here Posted June 27, 2007 Posted June 27, 2007 Is the diffrance really that great! wow. I imagined it was like 20%
Klaynos Posted June 27, 2007 Posted June 27, 2007 Is the diffrance really that great! wow. I imagined it was like 20% Compare the mass of the two... it's a BIG difference!
swansont Posted June 27, 2007 Posted June 27, 2007 You should also compare their mass, and the consequent effect on speed (for the same energy), which affects how long the can interact with a particular target, and have a chance at ionizing it. The charge only gives you a factor of two in interaction strength.
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