PAA 11-11-13

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Irradiated Y-88 and Au=186 for 4 hours at 23 MeV e- energy and


Samples place in Bin A60


Most upstream Ni target is # 130113-001 Ni target between Y-88 and Au is # 130113-002

Au-186 sample is 130113-003 Y-88 sample is 130113-004


Au-196 measurement using Detector D in position F and MPA 181775.mpa Y-88 measurement using Detector D in position F and MPA 181776.mpa

runlist

Poor Coincidence setup

Run Description
6686 Logic Unit in OR for Y-88 sample 130113-004
6687 Logic Unit in OR for Au-196 sample 130113-004, rate too high for DAQ
6688 Logic Unit in AND for Au-196 sample 130113-004, using Detector B and NaI, rate was 10 Hz, can't see 80 keV peak so I will increase HpGe post amp.
6689 Logic Unit in AND for Au-196 sample 130113-004, increase post amp from 20 to 50, 15 hrs 3x min 51 sec
6690 Logic Unit in OR for Ns-22 sample # 129741, post amp at 50, only 511 peak because postamp has 1 MeV peak in overflow
6691 Logic Unit in OR for Cs-137 sample # 124840, post amp at 50
6692 Logic Unit in OR for Ba-133 sample # 129789, post amp at 50
6693 Logic Unit in OR for Mn-54 sample # 129804, post amp at 50
6694 Changed post amp on HpGe Logic Unit in OR for Mn-54 sample # 129804, post amp at 20, 4 min 37 sec
6695 Logic Unit in OR for Co-60 sample # 129737, post amp at 20,
6696 Logic Unit in OR for Na-22 sample # 129741, post amp at 20,
6697 Logic Unit in OR for Cs-137 sample # 124840, post amp at 20,
6698 Logic Unit in OR for Ba-133 sample # 129789, post amp at 20, 4 min 44 sec
6699 Logic Unit in OR for Ni-57 sample # 130113-001, post amp at 20, 5 min 42 sec
6700 Logic Unit in OR for Ni-57 sample # 130113-002, post amp at 20, 5 min 2 sec
6701 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 20, min sec
6702 Logic Unit in COIN for Y-88 sample # 130113-004, post amp at 20, min sec, rate is about 0.21 Hz, ended early to run nickel
6703 Logic Unit in COIN for Ni-57 sample # 130113-002, post amp at 20, rate is about 0.4 Hz, 22 hrs 55 min 8 sec, TDC16-TDC19 is not peaked around zero , the NIM2ECL translator for TDC19 does not have a square output, the problem was due to using the wrong CFD output
6704 Logic Unit in OR for Ni-57 sample # 130113-002, post amp at 20, rate is about 883 Hz, 4 min 0 sec
6705 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 20, rate is about 770 Hz, 4 min 0 sec,
6706 Logic Unit in OR for Ni-57 sample # 130113-001, post amp at 20, rate is about 902 Hz, 4 min 5sec, Using correct NaI CFD channel, TDC19 should be good now will check with a coincidence run using Co-60 after taking singles measurements on the four irradiation samples
6707 Logic Unit in OR for Au-196 sample # 130113-003, post amp at 20, rate is about 4500 Hz, 37 sec,
6708 Logic Unit in AND for Au-196 sample # 130113-003, post amp at 50, rate is about 11 Hz
6709 Logic Unit in AND for Au-196 sample # 130113-003, post amp at 50, rate is about 150 Hz changed output width of CFDs from 500 ns to be about 1 usec.
6710 Logic Unit in AND for Au-196 sample # 130113-003, post amp at 50, rate is about 150 Hz inserted 1 usec delay on HpGe timing., TDC16-19 peak is -110 with an RMS of 22.5 nsec, adjusted delay near end of run
6711 Logic Unit in AND for Au-196 sample # 130113-003, post amp at 50, rate is about 150 Hz inserted 1 usec delay on HpGe timing., TDC16-19 peak is -60 with an RMS of 22.5 nsec, 51 min 38 sec
6712 Logic Unit in OR for Au-196 sample # 130113-003, post amp at 50, rate is about 4500 Hz
6713 Logic Unit in OR for Au-196 sample # 130113-003, post amp at 50, rate is about 4500 Hz
6714 Logic Unit in OR for Au-196 sample # 130113-003, post amp at 20, rate is about 140 Hz
6715 Logic Unit in AND for Au-196 sample # 130113-003, post amp at 20, rate is about 140 Hz
6716 Logic Unit in AND for Ni-57 sample # 130113-002, post amp at 20, rate is about 10 Hz,
6717 Logic Unit in OR for Ni-57 sample # 130113-002, post amp at 20, rate is about 868 Hz,
6718 Logic Unit in OR for Ni-57 sample # 130113-002, post amp at 50, rate is about 860 Hz,
6719 Logic Unit in AND for Au-196 sample # 130113-003, post amp at 50, take a longer coin run to check if the 188 keV line for the 9.6 hour half life of Au is still measurable after 2 days compare to run 6689 which is mostly accidentals from coincidence mode, ~3 hrs 21 min
6720 Logic Unit in AND for Y-88 sample # 130113-004, post amp at 50, 6 Hz
6721 Logic Unit in AND for Y-88 sample # 130113-004, post amp at 20, 17 hrs 56 min 48 sec, some problem with the HpGe spectrum, the NaI looks fine
6722 -
runs 5703 to 6722 are not useful for coincidence, the delay inserted into the HpGe CFD would ocaisionally more the HpGe singal outside the ADC gate.
6724 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 20, sec, I see peaks in the HpGe histogram, now look at timing
6724 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 20, sec, I see peaks in the HpGe histogram, now look at timing
6729 Logic Unit in AND for Na-22 source # 129743, post amp at 20, rate is about 32 Hz changed output width of CFDs from 1000 ns to be about 500 nsec., HpGe discriminator at 50 mV and NaI at 30 mV
6730 Logic Unit in OR for Ba-133 source # 129789, post amp at 20, rate is about 350 Hz .
6731 Logic Unit in OR for Ba-133 source # 129789, post amp at 50, rate is about 1000 Hz ,HpGe discriminator at 10 mV and NaI at 10 mV. can see ~80 keV peak from Ba-133
6732 Logic Unit in OR for Ba-133 source # 129789, post amp at 50, rate is about 800 Hz ,HpGe discriminator at 20 mV and NaI at 20 mV.
6733 Logic Unit in OR for Ba-133 source # 129789, post amp at 50, rate is about 900 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6734 Logic Unit in OR for Mn-54 source # 129804, post amp at 50, rate is about 540 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6735 Logic Unit in OR for Ni-57 sample # 130113-001, post amp at 50, rate is about 650 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6736 Logic Unit in OR for Ni-57 sample # 130113-002, post amp at 50, rate is about 676 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6737 Logic Unit in OR for Au-196 sample # 130113-003, post amp at 50, rate is about 3670 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6738 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 50, rate is about 608 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6739 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 20, rate is about 540 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6741 Logic Unit in AND for Au-196 sample # 130113-003, post amp at 50, rate is about 4 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV., 28 hours 49 min 19 sec
6742 Logic Unit in OR for Au-196 sample # 130113-003, post amp at 50, rate is about 3300 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6743 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 50, rate is about 600 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6744 Logic Unit in OR for Ni sample # 130113-001, post amp at 50, rate is about 616 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6745 Logic Unit in OR for Ni sample # 130113-002, post amp at 50, rate is about 621 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6746 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 20, rate is about 528 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6747 Logic Unit in AND for No Target, post amp at 20, rate is about 0.01 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. weekend run (35k events)
6748 Logic Unit in OR for Ni sample # 130113-001, post amp at 50, rate is about 584 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 5 min 33 sec
6749 Logic Unit in OR for Ni sample # 130113-002, post amp at 50 , rate is about 567 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6750 Logic Unit in OR for Au-196 sample # 130113-003, post amp at 50 rate is about 2650 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6752 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 20 rate is about 540 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6753 Logic Unit in OR for Ni sample # 130113-001, post amp at 20, rate is about 520 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. min sec
6754 Logic Unit in OR for Ni sample # 130113-002, post amp at 20 , rate is about 520 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6761 Logic Unit in OR for Ba-133 source #129789, post amp at 50 , rate is about Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 6min 41 sec
6762 Logic Unit in OR for Ni sample # 130113-002, post amp at 50 , rate is about Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 6 min 13 sec
6763 Logic Unit in OR for Ni sample # 130113-001, post amp at 50 , rate is about 574 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 9 min 17 sec
6764 Logic Unit in OR for Au-196 sample # 130113-003, post amp at 50 , rate is about 2400 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. min sec
6765 Logic Unit in OR for Mn-54 sample # 129804, post amp at 50 , rate is about 586 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 7 min 7 sec
6766 Logic Unit in OR for Na-22 source # 129741, post amp at 50 , rate is about 740 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 5 min 40 sec
6767 Logic Unit in OR for Cs-137 sample # 129792, post amp at 50 , rate is about 752 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 7 min 9 sec
6768 Logic Unit in OR for no source, post amp at 50 , rate is about 560 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. min sec
6769 Logic Unit in OR for Co-60 sample # 124838, post amp at 50 , rate is about 790 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 3 min 42 sec
6770 Logic Unit in OR for Co-60 sample # 124838, post amp at 20 , rate is about 740 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 1 min 55 sec
6772 Logic Unit in OR for no source, post amp at 20 , rate is about 500 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 15 min 42 sec
6773 Logic Unit in OR for Cs-137 sample # 129792, post amp at 20 , rate is about 670 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 6 min 22 sec
6774 Logic Unit in OR for Na-22 source # 129741, post amp at 20 , rate is about 682 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 2 min 9 sec
6775 Logic Unit in OR for Ba-133 source #129789, post amp at 20 , rate is about 728 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 4 min 40 sec
6776 Logic Unit in OR for Mn-54 sample # 129804, post amp at 20 , rate is about 520 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 6 min 20 sec
6777 Logic Unit in OR for Y-88 sample # 130113-004, post amp at 20 , rate is about 576 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 24 min 44 sec
 Somehow a delay switch was flipped up to the 1 usec position instead of the 0.1 usec position on the HpGe 
Hazards of taking data in a common use environment I guess
I didn't notice it before because the HpGe output was barely making it into the gate

Improved coincidence setup

Run Description
6782 Trigger only on HpGe using Ba-133 0.1 uCi source # 129789, post amp at 50, TDC hits at channel 500
6783 Trigger only on Nai using Ba-133 0.1 uCi source # 129789, post amp at 50, TDC hits at channel 500
6784 AND mode using Ba-133 10 uCi source # 129791, post amp at 50, rate is 216 Hz coincidence window is 2000 nsec ( discriminator output for each detector is 1 usec wide) TDC range is 1.1 usec
6785 AND mode using Ba-133 10 uCi source # 129791, post amp at 50, rate is 80 Hz coincidence window is 800 nsec ( discriminator output for each detector is 400 nsec wide)
6786 AND mode using Ba-133 10 uCi source # 129791, post amp at 50, rate is 40 Hz coincidence window is 400 nsec ( discriminator output for each detector is 200 nsec wide) 21 hrs 39 min 26 sec discriminator at 22 mV, V1495 may have stopped triggering near end of run, compare en of run time with the last physics event time stamp, running the command v1495test(0x80110000); on the ROC showed that the V1495 was not running as all bits were at 0xffff, rebooting ROC so V1495 is reset
6789 OR mode using Co-57 110 nCi source # 129734 (line at 122 keV), post amp at 50, rate is 570 Hz coincidence window is 400 nsec ( discriminator output for each detector is 200 nsec wide) discriminator reduced from 22 to 12 mV on HpGe detectors, NaI detector was at 12 mV, rebooting ROC reset V1495 and it is now working
6791 AND mode using Cs-137 10350 nCi source # 129794 (line at 122 keV), post amp at 50, rate is 38 Hz , had a coincidence line at 675 keV?? Cs-137 doesn't ahve coincidence lines
6792 OR mode using Ba-133 nCi source # 129789 , post amp at 50, rate is 916 Hz
6793 OR mode using Na-22 nCi source # 129743 , post amp at 50, rate is 8640 Hz (oopps)
6794 OR mode using Na-22 108.5 nCi source # 129741 , post amp at 50, rate is 700 Hz, CFD's at 12 mV
6795 OR mode using Cs-137 92.11 nCi source # 129792 , post amp at 50, rate is 700 Hz, CFD's at 12 mV
6796 OR mode using Co-60 108 nCi source # 124838 , post amp at 50, rate is 750 Hz, CFD's at 12 mV, Just off scale of ADC
6797 OR mode using Mn-54 110.4 nCi source # 129804 , post amp at 50, rate is 500 Hz, CFD's at 12 mV
6798 OR mode using Au-196 source # 1300113-003 , post amp at 50, rate is 2363 Hz, CFD's at 12 mV
6799 AND mode using Au-196 source # 1300113-003 , post amp at 50, rate is Hz, CFD's at 12 mV
6817 AND mode using No source , post amp at 50, rate is Hz, CFD's at 12 mV
6820 OR mode using Cs-137 92.11 nCi source # 129792 , post amp at 50, rate is 859 Hz, CFD's at 12 mV, 4min 30 sec
6821 OR mode using Mn-54 110.4 nCi source # 129804 , post amp at 50, rate is 678 Hz, CFD's at 12 mV, 9 min 26sec
6822 OR mode using Ba-133 0.1 uCi source # 129789, post amp at 50, rate is 932 Hz, CFD's at 12 mV, 4 min 48 sec
6823 OR mode using Ni sample # 130113-001, post amp at 50, rate is 676 Hz, CFD's at 12 mV, 24 min 56 sec
6824 OR mode using Ni sample # 130113-002, post amp at 50, rate is 680 Hz, CFD's at 12 mV, 4 min 25 sec
6825 OR mode using Au-196 sample # 130113-003, post amp at 50, rate is 1081 Hz, CFD's at 12 mV, 3 min 34 sec
6826 OR mode using Na-22 nCi source # 129741, post amp at 50, rate is 826 Hz, CFD's at 12 mV, 2 min 12 sec
6827 OR mode using Na-22 nCi source # 129741, post amp at 20, rate is 700 Hz, CFD's at 12 mV, min sec
6828 OR mode using Co-60 108 nCi source # 124838 , post amp at 20, rate is 856 Hz, CFD's at 12 mV, 2 min 2 sec
6829 OR mode using Y-88 sample # 130113-004 , post amp at 20, rate is Hz, CFD's at 12 mV, min sec VME power trip during run
6830 OR mode using Y-88 sample # 130113-004 , post amp at 20, rate is 686 Hz, CFD's at 12 mV, 23 min 10 sec
6831 OR mode using Cs-137 92.11 nCi source # 129792 , post amp at 20, rate is 806 Hz, CFD's at 12 mV, 1 min 32 sec
6832 OR mode using Background no source , post amp at 20, rate is 643 Hz, CFD's at 12 mV, 11 min 12 sec
6833 OR mode using Background no source , post amp at 50, rate is 678 Hz, CFD's at 12 mV, 13 min 21 sec
6834 AND mode using Background no source , post amp at 50, rate is Hz, CFD's at 12 mV, min sec
6911 OR mode using Background no source , post amp at 50, rate is 250 Hz, CFD's at 12 mV, NaI detector HV OFF
6913 OR mode using Na-22 nCi source # 129741 , post amp at 50, rate is 250 Hz, CFD's at 12 mV, NaI detector HV OFF 6 min 10 sec

Increase Peak Sensing ADC range

Run Description
6918 OR mode using Na-22 nCi source # 129741 , post amp at 50, rate is 827 Hz, CFD's at 12 mV, NaI detector HV ON 4 min 5 sec
6919 OR mode using Co-60 108 nCi source # 124838 , post amp at 50, rate is 885 Hz, CFD's at 12 mV, NaI detector HV ON 3 min 42 sec
6920 OR mode using Y-88 sample # 130113-004 , post amp at 50, rate is 715 Hz, CFD's at 12 mV, NaI detector HV ON 22 min 33 sec
6921 OR mode using Cs-137 92.11 nCi source # 129792 , post amp at 50, rate is 844 Hz, CFD's at 12 mV, NaI detector HV ON 4 min 14 sec
6922 OR mode using Mn-54 110.4 nCi source # 129804 , post amp at 50, rate is 716 Hz, CFD's at 12 mV, NaI detector HV ON 7 min 34 sec
6923 OR mode using Ba-133 0.1 uCi source # 129789 , post amp at 50, rate is 991 Hz, CFD's at 12 mV, NaI detector HV ON 14 min 20 sec
6924 OR mode using Au-196 source # 1300113-003 , post amp at 50, rate is 800 Hz, CFD's at 12 mV, NaI detector HV ON 19 min 6 sec
6925 OR mode using No source , post amp at 50, rate is 713 Hz, CFD's at 12 mV, NaI detector HV ON 11 min 25 sec
6926 AND mode using No source NO TDC , post amp at 50, rate is Hz, CFD's at 12 mV, NaI detector HV ON min sec

Coincidence setup with Increase Peak Sensing ADC range

Scaler counter in channel 5 is at 10 Hz


Trick: To try and time in microsecond long signal to within 100 nsec I looked at the timing logic from one detector when triggering on the other detector.

Run Description
6951 OR mode using Co-60 0.108 uCi source # 124838 , post amp at 20, rate is 873Hz, CFD's at 12 mV, 2 min 39 sec
6954 COIN mode using Co-60 10.42 uCi source # 129740 , post amp at 20, rate is 788 Hz, CFD's at 12 mV, 8 min 29sec
6955 OR mode using Cs-137 92.11 nCi source # 129792 , post amp at 20, rate is 950 Hz, CFD's at 12 mV, 1 min 18 sec
6956 OR mode using Ba-133 0.1 uCi source # 129789 , post amp at 20, rate is Hz, CFD's at 12 mV, min sec , need to increase HpGe fine gain from 4.4 to 5.5 to get 80 keV line
6957 OR mode using Ba-133 0.1 uCi source # 129789 , post amp at 20, rate is Hz, CFD's at 12 mV, min sec , try lowering CVD threshold
6958 OR mode using Ba-133 0.1 uCi source # 129789 , post amp at 20, rate is Hz, min sec , HpGe fine gain is now at 5.5 and threshold is at 10 mV not 12
6958 OR mode using Ba-133 0.1 uCi source # 129789 , post amp at 20, rate is 1031 Hz, 1 min 36 sec , HpGe fine gain is now at 5.5 and threshold is at 10 mV not 12
6959 OR mode using Cs-137 92.11 nCi source # 129792 , post amp at 20, rate is 872 Hz, 0 min 57 sec
6960 COIN mode using Ba-133 10.54 uCi source # 129791 , post amp at 20, rate is 761 Hz, 6 min 8sec
6962 OR mode using Co-60 0.108 uCi source # 124838 , post amp at 20 , rate is Hz, min sec
6964 COIN mode using Co-60 10.42 uCi source # 129740 , post amp at 20, rate is 824 Hz, 15 min 21 sec
6965 COIN mode using Na-22 9.4 uCi source # 129743 , post amp at 20, rate is 829 Hz, 3 min 35 sec
6966 OR mode using Mn-54 110.4 nCi source # 129804 , post amp at 20, rate is 666 Hz, CFD's at 12 mV, 5 min 46 sec
6967 OR mode using Na-22 0.1085 uCi source # 129741 , post amp at 20, rate is 858 Hz, CFD's at 12 mV, 1 min 44 sec
6968 OR mode using Au-196 source # 1300113-003 , post amp at 20, rate is 746 Hz, , min sec
6969 COIN mode using Au-196 source # 1300113-003 , post amp at 20, rate is 5 Hz Hz, , min sec rate too low needs to be overnight run
6970 COIN mode using Y-88 sample # 130113-004 , post amp at 20, rate is 5 Hz, , min sec rate too low
6971 OR mode using Y-88 sample # 130113-004 , post amp at 20, rate is 701 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 6 min 2 sec
6972 OR mode using No source , post amp at 20, rate is 661 Hz, 6 min 27 sec
6973 COIN mode using No source , post amp at 20, rate is 3 Hz, min sec
6975 OR mode using Na-22 0.1085 uCi source # 129741 , post amp at 20, rate is 878 Hz, 2 min 35 sec
6976 OR mode using Cs-137 92.11 nCi source # 129792 , post amp at 20, rate is 873Hz, 1 min 28 sec
6977 OR mode using Co-60 0.108 uCi source # 124838 , post amp at 20, rate is 939 Hz, 1 min 38 sec
6978 OR mode using Y-88 sample # 130113-004 , post amp at 20, rate is 695 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 4 min 39 sec
6980 AND mode using Y-88 sample # 130113-004 , post amp at 20, rate is 5.7 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 22 hrs 23 min 32 sec, 10 Hz pulser wasn't working for run 6975-6978, the rate seems wrong for this run too working for this run, scaler => 2001363-33=2001330 sec = 55 hrs????
6981 OR mode using Y-88 sample # 130113-004 , post amp at 20, rate is 695 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 4 min 7 sec, scaler => 6251-45 = 10.3 minutes??? seems off by a factor of 2
6982 AND mode using Y-88 sample # 130113-004 , post amp at 20, rate is Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 335841 seconds long
6983 AND mode using no source , post amp at 20, rate is 4.4 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 261198 seconds
6984 AND mode using no source , post amp at 20, rate is 4.4 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 272333 seconds
6985 AND mode using no source , post amp at 20, rate is 5.8 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 324506 seconds , added concrete pad to mount more detectors check impact of background
6986 AND mode using no source , post amp at 20, rate is 5.8 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 345798 seconds
6987 AND mode using no source , post amp at 20, rate is 6.0 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 519918 seconds
6988 AND mode using no source , post amp at 20, rate is 6 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 344553 seconds
6989 AND mode using no source , post amp at 20, rate is 5.9 Hz, CFD's still at 12 mV for NaI detector and 10 mV for HpGe , 624535 seconds

Background coincidence lines

Ran for 6 days, 6 hours, 50 minuts, 11 seconds (may have filled file to may size though)


Run6973_BckGrd

Singles back ground sources

Tl-208: 277, 583, 860 Pb-214: 241, 295, 351 Bi-214: 609, 1120, 1238, 1764

Y-88 coincidence lines

5 Hz count rate

Poly shielding (removed concrete)

Coincidence setup with Increase Peak Sensing ADC range

Scaler counter in channel 5 is at 10 Hz


Trick: To try and time in microsecond long signal to within 100 nsec I looked at the timing logic from one detector when triggering on the other detector.

Run Description
6990 OR mode using Cs-137 92.11 nCi source # 129792 , post amp at 20, rate is 464 Hz (source 9cm from detector), CFD's at 12 mV, 4 min 35 sec
6991 OR mode using Co-60 0.108 uCi source # 124838 , post amp at 20, rate is Hz, CFD's at 12 mV, 3 min 50 sec
6992 OR mode using Na-22 0.1085 uCi source # 129741 , post amp at 20, rate is 444 Hz, CFD's at 12 mV, 3 min 55 sec
6993 AND mode using Na-22 0.1085 uCi source # 129741 , post amp at 20, rate is Hz, CFD's at 12 mV, min sec
6958 OR mode using Ba-133 0.1 uCi source # 129789 , post amp at 20, rate is 1031 Hz, 1 min 36 sec , HpGe fine gain is now at 5.5 and threshold is at 10 mV not 12
6966 OR mode using Mn-54 110.4 nCi source # 129804 , post amp at 20, rate is 666 Hz, CFD's at 12 mV, 5 min 46 sec


Run6980_Y88

Calibration runs

Post amp at 20

Run Description
6694 Changed post amp on HpGe Logic Unit in OR for Mn-54 sample # 129804, post amp at 20, 4 min 37 sec
6695 Logic Unit in OR for Co-60 sample # 129737, post amp at 20,
6696 Logic Unit in OR for Na-22 sample # 129741, post amp at 20,
6697 Logic Unit in OR for Cs-137 sample # 124840, post amp at 20,
6698 Logic Unit in OR for Ba-133 sample # 129789, post amp at 20, 4 min 44 sec
6729 Logic Unit in AND for Na-22 source # 129743, post amp at 20, rate is about 32 Hz changed output width of CFDs from 1000 ns to be about 500 nsec., HpGe discriminator at 50 mV and NaI at 30 mV
6730 Logic Unit in OR for Ba-133 source # 129789, post amp at 20, rate is about 350 Hz .
Source Energy HpGe ch # (ADC 7) NaI ch # (ADC3)
Ba-133 80.9971 238.32 +/- 2.2
Ba-133 276.3997 504.73 +/- 2.86
Ba-133 302.8510 540.6 +/- 2.1
Ba-133 356.0134 612.69 +/- 1.72
Ba-133 383.8480 650.32 +/- 2
Na-22 511 822.75 +/- 2.3 563.68 +/- 2.6
Cs-137 661.657 1027.11 +/- 1.8 704.03 +/- 24.3
Mn-54 834.848 1261.83 +/- 2.4
Co-60 1173.228 1721.28 +/- 2.1 1171.89 +\- 45.5
Na-22 1274.537 1859.18 +/- 2.0 1263.97 +/- 34
Co-60 1332.492 1937.41 +/- 2.1 1314.42 +/- 40.8


      -95.2202 +/- 0.753608  B=0.736864 +/- 0.000488393

ntuple->Draw("ADC7*0.736864 - 95.2202 >>(2200,0,4400)")



Run Description
6770 Logic Unit in OR for Co-60 sample # 124838, post amp at 20 , rate is about 740 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 1 min 55 sec
6772 Logic Unit in OR for no source, post amp at 20 , rate is about 500 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 15 min 42 sec
6773 Logic Unit in OR for Cs-137 sample # 129792, post amp at 20 , rate is about 670 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 6 min 22 sec
6774 Logic Unit in OR for Na-22 source # 129741, post amp at 20 , rate is about 682 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 2 min 9 sec
6775 Logic Unit in OR for Ba-133 source #129789, post amp at 20 , rate is about 728 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 4 min 40 sec
6776 Logic Unit in OR for Mn-54 sample # 129804, post amp at 20 , rate is about 520 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV. 6 min 20 sec
Source Energy HpGe ch # (ADC 7) NaI ch # (ADC3)
Ba-133 80.9971
Ba-133 276.3997
Ba-133 302.8510
Ba-133 356.0134
Ba-133 383.8480
Na-22 511 831.46 +/- 2.4
Cs-137 661.657 1040.57 +/- 1.8
Mn-54 834.848
Co-60 1173.228 1751.05 +/- 2.2
Na-22 1274.537 1891.74 +/- 2
Co-60 1332.492 1972.07 +/- 1.9

Alpha()=-87.7476 +- 0.748879 0.720146 +- 0.000477312

ntuple->Draw("ADC7*0.720146 -87.746 >>(2200,0,4400)")

12/20/13 calibration

Run # Source Energy HpGe ch # (ADC 7) NaI ch # (ADC3)
6958 Ba-133 80.9971 223.28 +/- 1.94
Ba-133 276.3997 547.54 +/- 1.88
Ba-133 302.8510 591.12 +/- 1.56
Ba-133 356.0134 679.01 +/- 1.57
Ba-133 383.8480 724.53 +/- 1.49
6967 Na-22 511 935.82 +/- 2.37 490.67 +/- 16.32
6959 Cs-137 661.657 1185.61 +/- 1.59 609.52 +/- 17.20
6966 Mn-54 834.848 1473.15 +/- 2.11
6962 Co-60 1173.228 2034.87 +/- 1.78 1004.52 +/- 34.21
6967 Na-22 1274.537 2203.14 +/- 1.78 1076.34 +/- 35.20
6962 Co-60 1332.492 2299.66 +/- 1.84 1123.94 +/- 32.11

first pass

ntuple->Draw("ADC3*1.30042-129.079 >>(2200,0,4400)")

ntuple->Draw("ADC7*0.602367-52.609 >>(2200,0,4400)")


first pass

ntuple->Draw("ADC7*0.604262-54.0539-ADC7*ADC7*5.62792e-07 >>(2200,0,4400)")


12/28/13 calibration

Run # Source Energy HpGe ch # (ADC 7) NaI ch # (ADC3)
6975 Na-22 511 946.03 +/- 2.43 490.98 +/- 16.35
6976 Cs-137 661.657 1198.8 +/- 1.61 609.50 +/- 19.85
6977 Co-60 1173.228 2057.6 +/- 1.82 1004.18 +/- 30.58
6975 Na-22 1274.537 2228.28 +/- 1.86 1080.27 +/- 27.76
6977 Co-60 1332.492 2325.58 +/- 1.76 1124.92 +/- 29.02

first pass

ntuple->Draw("ADC3*1.29679-127.215 >>(2200,0,4400)")

ntuple->Draw("ADC7*0.595486-52.2669 >>(2200,0,4400)")

Postamp at 50

Run Description
6690 Logic Unit in OR for Na-22 sample # 129741, post amp at 50, only 511 peak because postamp has 1 MeV peak in overflow
6691 Logic Unit in OR for Cs-137 sample # 124840, post amp at 50
6692 Logic Unit in OR for Ba-133 sample # 129789, post amp at 50
6693 Logic Unit in OR for Mn-54 sample # 129804, post amp at 50
6731 Logic Unit in OR for Ba-133 source # 129789, post amp at 50, rate is about 1000 Hz ,HpGe discriminator at 10 mV and NaI at 10 mV. can see ~80 keV peak from Ba-133
6732 Logic Unit in OR for Ba-133 source # 129789, post amp at 50, rate is about 800 Hz ,HpGe discriminator at 20 mV and NaI at 20 mV.
6733 Logic Unit in OR for Ba-133 source # 129789, post amp at 50, rate is about 900 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.
6734 Logic Unit in OR for Mn-54 source # 129804, post amp at 50, rate is about 540 Hz ,HpGe discriminator at 12 mV and NaI at 12 mV.



Source Energy HpGe ch # (ADC 7) NaI ch # (ADC3)
Ba-133 80.9971 392.96 +/- 4.9
Ba-133 276.3997 1052.94 +/- 5.2
Ba-133 302.8510 1142.03 +/- 3.9
Ba-133 356.0134 1321.18 +/- 3.8
Ba-133 383.8480 1414.58 +/- 4.1
Na-22 511 1821 +/- 5.4
Cs-137 661.657 2320.23 +/- 3.9
Mn-54 834.848

3rd order fit works better than 2nd

ntuple->Draw("ADC7*0.289772-33.813+ADC7*ADC7*0.0000044488 >>(2200,0,4400)");


12/17/13 calibration

Run # Source Energy HpGe ch # (ADC 7) NaI ch # (ADC3)
6923 Ba-133 80.9971 218.58 +/- 2.81
Ba-133 276.3997 550.04 +/- 2.54
Ba-133 302.8510 595.07 +/- 2.41
Ba-133 356.0134 685.11 +/- 2.07
Ba-133 383.8480 732.23 +/- 2.56
6918 Na-22 511 947.64 +/- 2.9 490.57 +/- 17.71
6921 Cs-137 661.657 1203.21 +/- 2.11 612.87 +/- 19.78
6922 Mn-54 834.848 1497.56 +/- 3.46
6919 Co-60 1173.228 2071.73 +/- 2.21 1005.05 +/- 29.11
6918 Na-22 1274.537 2243.67 +/- 2.33 1078.93 +/- 28.79
6919 Co-60 1332.492 2342.54 +/- 2.3 1127.48 +/- 32.34

first pass

ntuple->Draw("ADC7*0.588998-47.089 >>(2200,0,4400)")

second pass

ntuple->Draw("ADC7*0.58929-47.672 >>(2200,0,4400)")


3rd order

ntuple->Draw("ADC7*0.590127-48.0739 - ADC7*ADC7*3.09984e-07 >>(2200,0,4400)")

(best calibration ever)


PAA_CoincidenceCounting#8.2F22.2F13_Activation