Difference between revisions of "PAA 8-22-13"

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|6066 || Ba-133 || 80.9979 ||
 
|6066 || Ba-133 || 80.9979 ||
 
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|6066 || Ba-133 ||276.3989 ||
+
|6066 || Ba-133 ||276.3989 || 298.054 \pm 0.04
 
|-
 
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−
|6066 || Ba-133 || 302.8508 ||
+
|6066 || Ba-133 || 302.8508 || 322.391 \pm 0.02
 
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|-
−
|6066 || Ba-133 || 356.0129 ||
+
|6066 || Ba-133 || 356.0129 || 371.355 \pm 0.01
 
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|6066 || Ba-133 || 383.8485||
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|6066 || Ba-133 || 383.8485|| 397.025 \pm 0.03
 
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Revision as of 20:39, 18 September 2013

Au-196

crucible #5 Gold + Sand irradiation

The link below will take you to an analysis of the photon spectrum observed when a mixture of Au + Sand in a crucible is irradiated for 1 hour using a 44 MeV, 2kW electron beam incident on a 4 mm W converter

Au-196_5-08-22-13


Gold Foil

The link below will take you to the 0.002" thick gold foil measurements


Au-196_Foil-08-22-13

Barium Oxide BaO

BO-08-22-13

Y-88 foil

Y88-08-22-13

Nickel normalization foils

Ni-08-22-13

runlist

ntuple->Draw("(ADC5-62.1537)/2.82207 >>(4096,0,4096)");

ntuple->Draw("(ADC9-39.8)/2.61747 >>(4096,0,4096)")

Group 1

Run Description
5786 21 min, 6 sec
5790 Ba-133 source, TDC not getting hits
5791 Ba-133 source , TDC not getting hits
5792 Ba-133 source, TDC not getting hits
5817 Gold foils, only counting with detector 180-3 (no TDC) 8 min 2 sec long, 556 Hz
5818 Ni foil F1, only counting with detector 180-3 (no TDC) 6 min 31 sec long, 399 Hz
5819 Ni foil B1, only counting with detector 180-3 (no TDC) 7 min 36 sec long, 417 Hz
5820 empty, only counting with detector 180-3 (no TDC) 8 min 18 sec long, 396 Hz
5821 Ba-132, only counting with detector 180-3 (no TDC) 6 min 1 sec long, Hz

Group 2

Due to the low rates we reconfigured the setup putting the two detectors closer together


Run Description
5822 Ba-132 + Al rod 130100-012, only counting with detector 180-3 (no TDC) 10 min 56 sec long, 459 Hz
5823 empty rod 130100-011, only counting with detector 180-3 (no TDC) 11 min 49 sec long, 439 Hz
5825 Y-88 130100-010, only counting with detector 180-3 (no TDC) 19 min 7 sec long, 500 Hz
5826 Au-196, only counting with detector 180-3 (no TDC) 8 min 38 sec long, 1096Hz
5827 sand+crucible, only counting with detector 180-3 (no TDC) 8 min 10 sec long, 989Hz
5828 Coincidence, sand+crucible, only counting with detector 180-3 (no TDC) 15 hrs, 4 min 21 sec long, 47Hz, Det B HV OFF, Det B Coincidence window was more than 400 nsec
5829 Coincidence, Au+sand+crucible #5 , 200 ns Coincidence window, no TDC hrs, min sec long, 23 Hz, Det B HV ON, ROC crashed after 45 hours 28 minutes, 285302 events recorded, scaler says 199440 seconds for run time=> 55 hours, I think the run lasted 2 hours assuming a 40 Hz counting rate and 285302 events, I think Det B warmed up during run, noise went high and high counting rate made ROC crash.
5831 Coincidence, Au Foil 130100-009, only counting with detector 180-3 (no TDC) 35 min 6 sec long, 90Hz, Det B HV OFF, Det B Coincidence window was more than 400 nsec, Ignore run Det B in trigger
5832 OR, Au Foil 130100-009, only counting with detector 180-3 (no TDC) 35 min 6 sec long, 16 kHz,Ignore run Det B in trigger
5833 OR, Ni Foil B1, only counting with detector 180-3 (no TDC) 35 min 6 sec long, 16 kHz, Det B HV OFF,Ignore run Det B in trigger
5834 AND, Ni Foil B1, only counting with detector 180-3 (no TDC) min sec long, 23 Hz, Det B HV OFF,Ignore run Det B in trigger
5836 OR, Ni Foil B1, only counting with detector 180-3 (no TDC) 7 min 53sec long, 213 Hz, Det B HV OFF,
5837 OR, Ni Foil F1, only counting with detector 180-3 (no TDC) 8 min 20 sec long, 211 Hz, Det B HV OFF,
5838 OR, Au Foil 130100-009, only counting with detector 180-3 (no TDC) 8 min 1sec long, 808 Hz, Det B HV OFF,
5839 OR, Empty Crucible that held BaO during irradiation, only counting with detector 180-3 (no TDC) 8 min 24 sec long, 222 Hz, Det B HV OFF,
5846 OR, no sample t, only counting with detector 180-3 (no TDC) min sec long, Hz, Det B HV OFF,
5850 OR, no sample t, (no TDC) 8 min 28 sec long, 499 Hz, Det B HV ON,
5852 Gold Foil 130100-009, only counting with detector 180-3 (no TDC) 7 min 34 sec long, 716 Hz, Det B HV OFF,
5853 Ni -001(B1), only counting with detector 180-3 (no TDC) 9 min 10 sec long, 195 Hz, Det B HV OFF,
5854 Ni -002 (B2), only counting with detector 180-3 (no TDC) 8 min 35 sec long, 233 Hz, Det B HV OFF,
5855 Ni -003 (B3), only counting with detector 180-3 (no TDC) 8 min 40 sec long, 214 Hz, Det B HV OFF,
5856 Ni -004 (B4), only counting with detector 180-3 (no TDC) 7 min 48 sec long, 213 Hz, Det B HV OFF,
5857 Ni -006 (F2), only counting with detector 180-3 (no TDC) 8 min 1 sec long, 241 Hz, Det B HV OFF,
5858 Ni -007 (F3), only counting with detector 180-3 (no TDC) 8 min 2 sec long, 231 Hz, Det B HV OFF,
5859 Ni -008 (F4), only counting with detector 180-3 (no TDC) 8 min 3 sec long, 217 Hz, Det B HV OFF,
5860 Ni -009 (F1), only counting with detector 180-3 (no TDC) 8 min 0 sec long, 187 Hz, Det B HV OFF,
5889 Ba-133 source 129790 1.2 uCi, only counting with detector 180-3, TDC is back (someone changed the NIM->ECL connector polarity) 2 min 44 sec long, 1944 Hz, Det B HV OFF,
5900 Ba-133 source 129789 0.12 uCi, only counting with detector 180-3, 10 min 57 sec long, 378 Hz, Det B HV OFF,
5901 Y-88 130100-010, only counting with detector 180-3 20 min 6 sec long, 184 Hz
5902 Ba-132 + Al rod 130100-012, only counting with detector 180-3 9 min 56sec long, 191 Hz
5903 empty rod 130100-011, only counting with detector 180-3 23 min 19 sec long, 179 Hz

Group 3

changed Det 180-2 post amp 8.92 to 4.62
Run Description
5905 Y-88 130100-010 changed post amp 8.92 to 4.62 , only counting with detector 180-3 15 min 28 sec long, 70 Hz
5906 Na-22 0.1 uCi source # 129741 , only counting with detector 180-3 3 min 42 sec long, 146 Hz
5907 Ba-133 0.1 uCi source # 129789 , only counting with detector 180-3 2 min 42 sec long, 140 Hz

Group 4

changed Det 180-2 post amp from 4.62 back to 8.92
TDC is working again below is a table identifying channels and detector
Det ADC TDC
180-2 ADC5 TDC16
Det B ADC9 TDC19


Run Description
5908 Ba-133 0.1 uCi source # 129789 , Using both detectors in OR mode
5909 Ba-133 0.1 uCi source # 129789 , Using both detectors in OR mode , changed Det 180-2 threshold from 18 to 10 mV, 8 min 30 sec long, 783 Hz
5910 Ba-132 + Al rod 130100-012, Using both detectors in OR mode, 33 min 5 sec long, Hz


There is a peak in ADC9 at high energy but not in ADC5. I will turn down the post amp for ADC5 (Det 180-2).

Group 5 9/4/13

Det 180-2 Postamp is set to a fine gain of 8 and a course gain of 20, the CFD is at 10 mV

Det B Postamp is set to a fine gain of 9.32 and a course gain of 20, the CFD is at 10 mV


Run Description
5912 Ba-133 0.1 uCi source # 129789 , Using both detectors OR mode , 4 min 21 sec long, 809 Hz
5913 Na-22 0.1 uCi source # 129741, Using both detectors OR mode, 4 min 8 sec long, 656 Hz
5914 Ba-132 + Al rod 130100-012, Using both detectors OR mode, 13 min 17 sec long, 470 Hz
5915 Ba-132 + Al rod 130100-012, Using both detectors AND mode, 9 hrs 6 min 57 sec long, 1.2 Hz


Group 6 9/5/13

Accelerator was on during these measurements, perhaps the RF is adding noise to the ground line as I saw a 3 keV RMS in the Na-22 run.
Run Description
5916 Au foil 130100-009, Using only Det 180-2 (Det B warm), 10 min 25 sec long, 388 Hz
5917 Ba-133 source # 129789, Using only Det 180-2 (Det B warm), 2 min 42 sec long, 407 Hz
5918 Ni foil F2 # 130100-006, Using only Det 180-2 (Det B warm), 7 min 33 sec long, 196 Hz
5919 Ni foil B1 # 130100-001, Using only Det 180-2 (Det B warm), 8 min 50 sec long, 190 Hz
5920 Ni foil F1 # 130100-005, Using only Det 180-2 (Det B warm), 10 min 50 sec long, 190 Hz
5921 Ni foil B4 # 130100-004, Using only Det 180-2 (Det B warm), 15 min 52 sec long, 195 Hz
5922 Na-22 source # 129741, Using only Det 180-2 (Det B warm), 6 min 19 sec long, 299 Hz
5923 No target (Background), Using only Det 180-2 (Det B warm), 50 min 21 sec long, 185 Hz

Group 7 9/12/13

Run Description
5996 Ba-133 129789 0.1 uCi , Using only Det 180-2 with its HV off (Det B warm), 6 min 32 sec long, 173 Hz
5997 Ba-133 129790 1 uCi , Using only Det 180-2 with its HV off (Det B warm), 9 min 33 sec long, 653 Hz
5999 Ba-133 129790 1 uCi , Using only Det 180-2 with its HV off (Det B warm),Change post amp from 20 to 50 and raised discriminator from 10 to 30 mV 3 min 10 sec long, 265 Hz
6000 Ba-133 129790 1 uCi , Using only Det 180-2 with its HV off (Det B warm),Change post amp from 50 to 100 and raised discriminator from 30 to 40 mV 4 min 2 sec long, 803 Hz

Group 7 9/12/13

Run Description
6004 Ba-133 129790 1 uCi , Using only Det B , min sec long, Hz

Group 8 9/15-16/13

Ortec post amp setting:

Gain = 51.5
Shaping Time = 1. usec

Canbera discriminator:

Lower Energy = 8 mV
Upper Energy = Max
Delay = Min = 0


Run Description
6012 Ba-133 129790 1 uCi , Using only Det B , 5 min 31 sec long, 1255 Hz
6013 Ba-133 129790 1 uCi , Using only Det B HV off , 3 min sec long, Hz, rate went up to 2kHz and ROC crashed after 200k event
6015 Ba-133 129790 1 uCi , Using only Det B , 2 min 34sec long, Hz rate was 1400 Hz so moved source farther away to be on top of aluminum stand
6016 Ba-133 129790 1 uCi , Using only Det B , 5 min 2sec long, 520 Hz
6017 No Source (Background) , Using only Det B , 8 min 43sec long, 221 Hz , pulser was in EXT trigger mode.
6020 No Source (Background) , Using only Det B , 15 hours, 12 min 37 sec long, 55 Hz increase CFD threshold to 49 mv (~430 keV) to measure high energy component of spectrum overnight, changer pulser to INTeral trigger mode so scaler now has 1Hz clock
6021 Ba-133 129790 1 uCi , Using only Det B , 4 min 5sec long, 505 Hz ,decrease CFD threshold to 8 mv (~70 keV)
6022 Y-88 1 uCi 1219-33-5, Using only Det B , 4 min 35sec long, 219 Hz
6023 Y-88 1 uCi 1219-33-5, Using only Det B , 3 min 3 sec long, Hz ,Moved source up 2" closer, no difference, I think I am just measureing background with this source
6024 Na-22 1 uCi 129742, Using only Det B , 4 min 11 sec long, 471 Hz
6025 Y-88 1 uCi 130100-010, Using only Det B , 3 min 4 sec long, 223 Hz , not much above background here
6026 Ba-132 + Al rod 130100-012, only counting with detector B, 8 min 41 sec long, 224 Hz , just background here too except for a line around 910 keV which is not Ba-133
6028 Al rod 130100-011, only counting with detector B, 13 min 22 sec long, 220 Hz , just background here too except for a line around 830 keV which is not Ba-133
6029 Y-88 1 uCi 130100-010, Using only Det B , increase CFD threshold to 49 mv (~430 keV) , 17 min 28 sec long, Hz , The shielded HpGe detector saw both Y-88 lines and had a FWHM width of 3 keV on the 898 line I get a FWHM = 3.44 keV

Group 9 9/16/13

Ortec post amp setting:

Gain = 21.5
Shaping Time = 1. usec

Canbera discriminator:

Lower Energy = 8 mV
Upper Energy = Max
Delay = Min = 0


Run Description
6029 Y-88 130100-010, Using only Det B , increase CFD threshold to 49 mv (~430 keV) , 17 min 28 sec long, 50 Hz , The shielded HpGe detector saw both Y-88 lines and had a FWHM width of 3 keV on the 898 line I get a FWHM = 3.44 keV
6030 Y-88 130100-010, Using only Det B , increase CFD threshold to 49 mv , Post amp gain is now 21.5, 6 min 12 sec long, 20 Hz
6031 Co-60 1 uCi 1129739, Using only Det B , , Post amp gain is now 21.5, min sec long,
6034 Co-60 1 uCi 1129739, Using only Det B , increase CFD threshold to 49 mv ( , Post amp gain is now 50 lowered fine gain to 4 turns from min, 1 min 13 sec long, 640 Hz
6035 Y-88 130100-010, Using only Det B , increase CFD threshold to 49 mv , Post amp gain is now 50 lowered fine gain to 4 turns from min (dial reads 9.0) ,2 min 17 sec long, 34 Hz
6036 Y-88 130100-010, Using only Det B , Lower CFD threshold from 49 mv to 20 mV, Post amp gain is now 50 lowered fine gain to 4 turns from min, 5 min 35 sec long, 84 Hz
6037 background, Using only Det B , Lower CFD threshold from 49 mv to 20 mV, Post amp gain is now 50 lowered fine gain to 4 turns from min, 5 min 12 sec long, 79 Hz
6038 Mn-54 1 uCi 129806 (834.848 keV = 1256.51 channels), Using only Det B , Lower CFD threshold from 49 mv to 20 mV, Post amp gain is now 50 lowered fine gain to 4 turns from min, 2 min 36 sec long, 102 Hz
6039 Eu-154 1 uCi 129753 (996.262 keV = 1627.67, 1004.725 keV = 1665.91, 1408 kev = ,1112 keV), Using only Det B , Lower CFD threshold from 49 mv to 20 mV, Post amp gain is now 50 lowered fine gain to 4 turns from min, 1 min 31 sec long, 1034 Hz
6040 CS-137 1 uCi 129793 (661.657 keV=997.53 channels), Using only Det B , Lower CFD threshold from 49 mv to 20 mV, Post amp gain is now 50 lowered fine gain to 4 turns from min, 1 min 16 sec long, 923 Hz
6041 Y-88 130100-010, Using only Det B , , 3 hrs, 18 min 48 sec long, (scaler = 23850/2 seconds) 84 Hz

Energy= ADC9*0.50581 + 173.833


Energy = 113.977+0.587248*ADC9-0.000026467*ADC9*ADC9

Group 10 9/17/13

Ortec post amp setting:

Gain = 56
Shaping Time = 1. usec

Canbera discriminator:

Lower Energy = 8 mV
Upper Energy = Max
Delay = Min = 0


Run Description
6052 Na-22, Using only Det B , 1 min 9sec long, 996 Hz
6055 Mn-54 1 uCi 129806 (834.848 keV = channels), Using only Det B , 1 min 38 sec long, 172 Hz, source activity low so there is a lot of background, 834 keV peak is around channel 818
6056 Co-60 1 uCi 129739, Using only Det B , 1 min 2 sec long, 1019 Hz
6057 Eu-154 1 uCi 129753 (996.262 keV = 1627.67, 1004.725 keV = 1665.91, 1408 kev = ,1112 keV), Using only Det B , min sec long, 900 Hz,
6058 Eu-154 1 uCi 129753 (996.262 keV = 1627.67, 1004.725 keV = 1665.91, 1408 kev = ,1112 keV), Using only Det B ,2 min 9sec long, 393 Hz, moved source down to check effect of high activity/deadtime
6059 Ba-133 1 uCi 129793 (661.657 keV=997.53 channels), Using only Det B ,1 min 53 sec long, 378 Hz
6060 no source, background, Using only Det B , 3 min 27 sec long, 222 Hz
6061 Ba-132 130100-012, Using only Det B , 10 min 31 sec long, 227 Hz, mostly background
6062 Au-196 130100-009, Using only Det B , 8 min 3 sec long, 247 Hz clear peack visible at 350 chan, 425, 425, 438
6063 Y-88 130100-010, Using only Det B , 9 hrs, 14 min 5 sec long, 228 Hz
6064 no source (background), Using only Det B , 13 hrs, 31 min 11 sec long, 212 Hz

Group 11 9/18/13

Ortec post amp setting:

Gain = 56
Shaping Time = 1. usec

Canbera discriminator:

Lower Energy = 8 mV
Upper Energy = Max
Delay = Min = 0
Run Description
6065 Eu-152 1 uCi 129753 (996.262 keV = , 1004.725 keV = , 1408 kev = ,1112 keV), Using only Det B , 1 min 9sec long, 1392 Hz
6066 Ba-133 1.188 uCi 129790, (661.657 keV= channels)Using only Det B , 1 min 27sec long, 1294 Hz
6067 Mn-54 1.226 uCi 129806, (834.848 keV = channels)Using only Det B , 8 min 0 sec long, 241 Hz
6068 Na-22 1. uCi 129742, Using only Det B , 3 min 12 sec long, 968 Hz
6069 Co-60 1. uCi 129739, Using only Det B , 1 min 33 sec long, 1179 Hz
6070 Ni-57 130100-001 (F1), Using only Det B , 13 min 26 sec long, 221 Hz
6071 Ni-57 130100-005 (B1), Using only Det B , 17 min 32 sec long, 221 Hz, line at ch 2046 ?
6072 Au-196 foil 130100-009 , Using only Det B , 15 min 53 sec long, 241 Hz, lines around channel 105, 370 channels, scaler = 950 counts => 950 seconds, unix time => end_event1379520588 (16:09:48) - go_event 1379519640 (15:54:00)=>15:48
6073 no source (background) , Using only Det B , 8 min 58 sec long, 220 Hz,
6074 no source (background) , Using only Det B ,15 min 3 sec long, 222 Hz,

Calibration

Run Source Energy (keV) Channel
6067 Mn-54 834.848 818.678 \pm 0.07
6068 Na-22 511 515.076 \pm 0.01
6068 Na-22 1274.537 1240.23 \pm 0.03
6069 Co-60 1173.228 1143.79 \pm 0.04
6069 Co-60 1332.492 1295.63 \pm 0.03

Linear Fit to the above lines

Energy=(-28.5758 +/- 0.793365) + ADC9*(1.05098 +/- 0.000759166)

3rd order fit

Energy=(-46.6652 +- 3.00526) + ADC9*(1.09594 +- 0.00724494+ + ADC9*ADC9*(-2.47156e-05 +- 3.96083e-06)


Eu-152 has two close peaks at 1085 and 1112 keV which are easily identified in the raw spectrum, 344 keV line is 2nd strongest in Eu-152 spectrum
Run Source Energy (keV) Channel
6065 Eu-152 344.2785 360.617 \pm 0.02
6065 Eu-152 411.1163 not used for fit because low stats
6065 Eu-152 443.965 not used for fit because low stats
6065 Eu-152 778.9040 765.509 \pm 0.07
6065 Eu-152 964.079 942.985 \pm 0.01
6065 Eu-152 1085.869 1060.88 \pm 0.01
6065 Eu-152 1112.069 1085.31 \pm 0.01
6065 Eu-152 1299.140 not used for fit because low stats
6065 Eu-152 1408.006 1367.59 \pm 0.07
6066 Ba-133 80.9979
6066 Ba-133 276.3989 298.054 \pm 0.04
6066 Ba-133 302.8508 322.391 \pm 0.02
6066 Ba-133 356.0129 371.355 \pm 0.01
6066 Ba-133 383.8485 397.025 \pm 0.03


Run Source Energy (keV) Channel
6065 Eu-152 996.262
6065 Eu-152 1004.725
6065 Eu-152 1408
6065 Eu-152 1112
6066 Ba-133 1.188 uCi 129790, (661.657 keV= channels)Using only Det B , 1 min 27sec long, 1294 Hz
6067 Mn-54 834.848 818.678 \pm 0.07
6068 Na-22 511 515.076 \pm 0.01
6068 Na-22 1274.537 1240.23 \pm 0.03
6069 Co-60 1173.228 1143.79 \pm 0.04
6069 Co-60 1332.492 1295.63 \pm 0.03
6073 no source (background) , Using only Det B , 8 min 58 sec long, 220 Hz,
6074 no source (background) , Using only Det B ,15 min 3 sec long, 222 Hz,



PAA_CoincidenceCounting#8.2F22.2F13_Activation

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