- #1
Z3r0
Hey guys, I am currently running an experiment with Cs-137 multiple sources ranging from 1 to 10 uCi, i have a lead pig with a Cs-137 source at the top and a 1/4" small tunnel drilled through the 2" thick slab inside the pig is the Gieger counter, Using various heavy metals as a shield i seem to only get the radiation shielded down to certain level, even with 2mm of lead the level doesn't drop any lower then .2mm of lead. Is this radiation causing other reactions on the other side of the shield to cause a consistent transmission level?