NaI JD-766 Attenuation

Preliminary Measurements

Detector JD-766 on experimental table to measure background count rate to be used in attenuation measurements.

Run Number	Configuration	CF-252 Source	Counts	Run Time (Sec)	Count Rate (Hz)
1	Unshielded detector at +800V, no discriminator or amplifier	No	49	60
2	Unshielded detector at +800V, no discriminator or amplifier	No	46	60
3	Unshielded detector at +800V, no discriminator or amplifier	No	46	60
4	Unshielded detector at +800V, no discriminator or amplifier	No	36	60
5	Unshielded detector at +800V, no discriminator or amplifier	No	46	60
6	Unshielded detector at +800V, no discriminator or amplifier	No	42	60
7	Unshielded detector at +800V, no discriminator or amplifier	No	45	60
8	Unshielded detector at +800V, no discriminator or amplifier	No	47	60
9	Unshielded detector at +800V, no discriminator or amplifier	No	54	60
10	Unshielded detector at +800V, no discriminator or amplifier	No	41	60

Run Number	Configuration	CF-252 Source	Counts	Run Time (Sec)	Count Rate (Hz)
1	Unshielded detector at +800V, no discriminator or amplifier	Yes	49	60
2	Unshielded detector at +800V, no discriminator or amplifier	Yes	46	60
3	Unshielded detector at +800V, no discriminator or amplifier	Yes	46	60
4	Unshielded detector at +800V, no discriminator or amplifier	Yes	36	60
5	Unshielded detector at +800V, no discriminator or amplifier	Yes	46	60
6	Unshielded detector at +800V, no discriminator or amplifier	Yes	42	60
7	Unshielded detector at +800V, no discriminator or amplifier	Yes	45	60
8	Unshielded detector at +800V, no discriminator or amplifier	Yes	47	60
9	Unshielded detector at +800V, no discriminator or amplifier	Yes	54	60
10	Unshielded detector at +800V, no discriminator or amplifier	Yes	41	60