NaI JD-766 Attenuation
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Preliminary Measurements
Run Number Configuration CF-252 Source Counts Run Time (Sec) Count Rate (Hz) 1 Unshielded detector at +800V, no discriminator or amplifier No 212 60 2 Unshielded detector at +800V, no discriminator or amplifier No 199 60 3 Unshielded detector at +800V, no discriminator or amplifier No 218 60 4 Unshielded detector at +800V, no discriminator or amplifier No 184 60 5 Unshielded detector at +800V, no discriminator or amplifier No 194 60 6 Unshielded detector at +800V, no discriminator or amplifier No 205 60 7 Unshielded detector at +800V, no discriminator or amplifier No 172 60 8 Unshielded detector at +800V, no discriminator or amplifier No 200 60 9 Unshielded detector at +800V, no discriminator or amplifier No 207 60 10 Unshielded detector at +800V, no discriminator or amplifier No 221 60
Run Number Configuration Discriminator Threshold CF-252 Source Counts Run Time (Sec) Count Rate (Hz) 1 Unshielded detector at +800V, no amplification 15mV Yes 60 2 Unshielded detector at +800V, no amplification 15mV Yes 60 3 Unshielded detector at +800V, no amplification 15mV Yes 60 4 Unshielded detector at +800V, no amplification 15mV Yes 60 5 Unshielded detector at +800V, no amplification 15mV Yes 60 6 Unshielded detector at +800V, no amplification 15mV Yes 60 7 Unshielded detector at +800V, no amplification 15mV Yes 60 8 Unshielded detector at +800V, no amplification 15mV Yes 60 9 Unshielded detector at +800V, no amplification 15mV Yes 60 10 Unshielded detector at +800V, no amplification 15mV Yes 60