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# Experiment 6.1
137Ce Measured at 5.2 microcurie
Started at 6:47:50 stopped at 6:51:06
Elapsed live time 193.92s
Gross area 35331 $\Sigma_{U1}$
Background elapsed live time 193.94s
$\Sigma_b = 558$
Now repeating with different distances
We're also changing our time because the first one took god damn forever
Now doing 55.64 seconds
| Distance [cm] | $\Sigma_{U1}$ |
| ------------- | ------------- |
| 10 | 10122 |
| 9 | 11763 |
| 8 | 14464 |
| 7 | 17476 |
| 6 | 22073 |
| 5 | 28268 |
| 4 | 38084 |
| Background | 130 |
# Experiment 6.3
We do not have a spicy cobalt source, so instead we're jamming them up at 1cm.
Now we're at 2cm to 1 cm. at 1.34 cps
We used gross counts.
This is a test!