Gamma peak study with in exp. cell with CO-60

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I placed a photon source with trigger at various locations along the beam line and compared the resulting ToF spectrum with a Thorium target run. I shifted each time spectrum by the time light would take to travel from room center to location of the trigger. This was done to offset the effect of moving the trigger along the beam line.

Position [cm] Run number description
+162 5353 against back wall
+132 5354 In center of beam dump
+95 5356 at upstream-most edge of beam dump
0 5355 Target
-95 5357 Downstream-most edge of tunnel
-156 5358 Center of tunnel

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