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Neutron Capture Results

Na-22 Source Calibration

Figure 1: Coincidence plot for Na-22 Source data Figure 2: Log plot for Z-axis
Table 1: Detector Calibrations
Detector MeV/nVs
B 0.656
C 0.466

Thermal Neutron Capture Results

Figure 3: Sum of Detectors B and C, rescaled to gamma energy
Background in black. Gd in red. (need to add legend)
Figure 4:

Background: 34 hours of data
w/ Gd: 18 hours of data
Figure 4 integral from 0.5 to 8 MeV: 5.2 ± 10.5 counts per hour

PuBe Neutron Capture Results

Figure 5:
Background in black. Gd in red. (need to add legend)
Figure 6:

Background: 17 hours of data
w/ Gd: 21 hours of data
Figure 6 integral from 0.5 to 8 MeV: -10.2 ± 29.8 counts per hour