Re: Si-PIN Detector Background?

Dude All Messages By This Member #1415 开云体育 Geo, The purpose of the background runs was to compare the 4.8 to the 32 usec peaking time with changing nothing else – everything the same between the 2 runs. Set up the same, settings the same, just change the peaking time. We want to see the difference in low energy noise between the two. ?Try re-running it with identical setups. Dud ? ? toggle quoted message Show quoted text From: [email protected] [mailto:[email protected]] On Behalf Of GEOelectronics@... Sent: Friday, October 16, 2020 9:37 AM To: [email protected] Subject: Re: [XRF] Si-PIN Detector Background? ? 3600s Background Scan. Peaking time previously fine tuned to 4.9 us. No rad sources or Exciter sources. Shop made Amptek Si-PIN XR-100-CR flex-cable connected to Amptek DP-5/PC5 stack in a shop made housing. Sensor head is in a shop made aluminum lined 3/8" lead chamber/shield with a port to introduce weak tube generated microfocus X-Rays. All the hits are 1 count, and 1 channel wide. The first 0-2keV is cut off because of system noise. This is easy using the RANGE settings. There might be a way to cut off the 0-2 Counts along the bottom, I haven't found it. Geo? 1_HR_BACKGROUND_SN_18812.png 1_HR_BACKGOUND_SN_18812.mca 1_HR_BACKGOUND_SN_18812.mca

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