| ID |
Date |
Author |
Subject |
|
11
|
Wed Jul 27 13:20:53 2016 |
Sarah | Gafchromic images |
|
| Attachment 1: Gafchromic_scan_photos.pdf
|
|
| Attachment 2: 20160725_180604.jpg
|
|
| Attachment 3: 20160726_153323.jpg
|
|
| Attachment 4: New_Doc_19_1_1469601914249.jpg
|
|
| Attachment 5: New_Doc_19_2_1469601914138.jpg
|
|
| Attachment 6: New_Doc_19_3_1469601913934.jpg
|
|
|
12
|
Thu Jul 28 16:00:43 2016 |
Sarah | List of to-dos |
Process alpha data
- Compare pulser width and alpha width to calibration spectra (shaping amp with 1us and gain 50x)
- Does photodiode data process OK or is it a problem with the oscillations?
Process LiF data
- Any pile up issues? Problems with gamma flash?
Online monitoring:
- Check leakage every few days, check lab temp.
- Check alpha peaks of 26Al contaminants - Gd, B.
|
|
13
|
Sun Jul 31 13:43:56 2016 |
Sarah | Alpha spectra |
Pulser set to 100 pps.
Shaping amp:
Gain: 1x1.0x50
Tau: 2 us
Negative polarity.
|
| Attachment 1: DEED0_alpha_spec_pulser.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# ERUDITE Easy-MCA-8k SN 13196238
AP# Maestro Version 7.01
$DATE_MEA:
07/27/2016 11:09:06
$MEAS_TIM:
355 355
$DATA:
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|
| Attachment 2: DEED5_alpha_spec_pulser.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# ERUDITE Easy-MCA-8k SN 13196238
AP# Maestro Version 7.01
$DATE_MEA:
07/27/2016 10:58:44
$MEAS_TIM:
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... 7927 more lines ...
|
| Attachment 3: DEED15_alpha_spec_pulser.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# ERUDITE Easy-MCA-8k SN 13196238
AP# Maestro Version 7.01
$DATE_MEA:
07/27/2016 11:15:40
$MEAS_TIM:
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... 7927 more lines ...
|
| Attachment 4: EFED9_alpha_spec_pulser.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# ERUDITE Easy-MCA-8k SN 13196238
AP# Maestro Version 7.01
$DATE_MEA:
07/27/2016 09:31:49
$MEAS_TIM:
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$DATA:
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... 7926 more lines ...
|
| Attachment 5: PHDI_alpha_spec_pulser.Spe
|
$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# ERUDITE Easy-MCA-8k SN 13196238
AP# Maestro Version 7.01
$DATE_MEA:
07/27/2016 08:34:11
$MEAS_TIM:
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... 7925 more lines ...
|
|
14
|
Sun Jul 31 14:32:34 2016 |
Sarah | DEED1 Alpha calibration checks (205168) |
DEED1: (rebin x2 -> 1 bin = 4 ch)
Pulser (DAQ):
- Centroid = 5000(1) ch
- FWHM = 71(5) ch = 1.4%
Pulser (Maestro):
- Centroid = 4008 ch
- FWHM = 148 ch = 4%
148Gd (DAQ):
- Centroid = 1880(1) ch
- FWHM = 89(2) ch = 4.7%
148Gd (Maestro):
- Centroid = 1524 ch
- FWHM = 67 ch = 4.4%
|
|
15
|
Sun Jul 31 15:02:57 2016 |
Sarah | DEED6 Alpha calibration checks (205168) |
DEED6: (1 bin = 2 ch)
Pulser (DAQ):
- Centroid = 5145.6(6) ch
- FWHM = 51.4(1) ch = 1%
Pulser (Maestro):
- Centroid = 4042 ch
- FWHM = 137 ch = 3.3%
148Gd (DAQ):
- Centroid = 1980(1) ch
- FWHM = 64(2) ch = 3.2%
148Gd (Maestro):
- Centroid = 1564 ch
- FWHM = 61 ch = 3.9% |
|
16
|
Sun Jul 31 15:56:32 2016 |
Sarah | DEED16 Alpha calibration checks (205169) |
***note that DEED 16 was on old sampling rate for 205168- so use next run, also DEED 9-12 not plugged in***
DEED16: (1 bin = 2 ch)
Pulser (DAQ):
- Centroid = 5347(3) ch
- FWHM = 89(7) ch = 1.7%
Pulser (Maestro):
- Centroid = 4279 ch
- FWHM = 166 ch = 3.9%
*** take the following with a pinch of salt- low stats (top of peak in DAQ = 4 counts)
148Gd (DAQ):
- Centroid = 1948 ch
- FWHM = 138 ch = 7%
148Gd (Maestro):
- Centroid = 1586 ch
- FWHM = 11 ch = 0.7% |
|
17
|
Tue Aug 2 08:14:26 2016 |
Sarah | Leakage currents spreadsheet (26/07- 01/08) |
Steady for dE, E. Possibly rising on PHDI- monitor closely. |
| Attachment 1: Leakage_currents.xlsx
|
|
18
|
Wed Aug 3 09:48:31 2016 |
Sarah | EFED10 alpha calibration checks |
|
EFED10: (1 bin = 2 ch)
Pulser (DAQ):
- Centroid = 5396.8(6) ch
- FWHM = 41(1) ch = 0.7%
Pulser (Maestro):
- Centroid = 4042 ch
- FWHM = 82 ch = 1.9%
148Gd (DAQ):
- Centroid = 2215(1) ch
- FWHM = 57(9) ch = 2.6%
148Gd (Maestro):
- Centroid = 1722 ch
- FWHM = 30 ch = 1.7%
|
|
|
19
|
Wed Aug 3 14:48:09 2016 |
Sarah | Leakage currents 02.08 - 03.08 |
02.08:
dE = 0.03 uA
E = 0.03 uA
PHDI = 0.04 uA
03.08:
dE = 0.03 uA
E 0.04 uA
PHDI = 0.04 uA |
|
20
|
Mon Aug 8 11:02:13 2016 |
Sarah | Leakage currents 08.08.16 |
E 0.03 uA
dE 0.04 uA
PHDI 0.05 uA
Boron target 1 towards PHDI and Boron target 3 towards dE-E.
Mylar target gluing in electronics lab. |
|
21
|
Tue Aug 9 15:57:52 2016 |
Sarah | Leakage currents 09.08.16 |
Morning - 9am
E= 0.03uA
dE= 0.04uA
PHDI= 0.06uA
Afternoon - 4.30pm
E=0.03uA
dE= 0.03uA
PHDI=0.05uA
|
|
22
|
Thu Aug 11 08:19:37 2016 |
Sarah | Leakage currents 10.8.16 |
At lunchtime (12.45)
E = 0.03 uA
dE = 0.04 uA
PHDI = 0.06 uA |
|
23
|
Wed Aug 17 15:10:05 2016 |
Sarah | Leakage currents 12.08.16 |
E = 0.03uA
dE = 0.04uA
PHDI = 0.06uA
- Monitor PHDI - increasing slowly... |
|
25
|
Fri Sep 2 12:01:57 2016 |
Sarah | Leakage currents 02.09.16 |
E 0.03
dE 0.05
PHDI 0.12
Check on PHDI pulser width:
205170 (first in beam run) - 1.1% FWHM (at 8275 ch)
205439 (01/09/16) - 1.0% FWHM (at 8008 ch)
Seems to be holding up OK at present. |
|
26
|
Fri Sep 2 12:03:40 2016 |
Sarah | SPD card changed |
14 bit card replaced for DEED 9-12, to prevent issue with pulser arriving before gamma flash. |
|
27
|
Fri Sep 9 10:01:18 2016 |
Sarah | Leakage currents 09.09.16 |
EFED 0.04uA
DEED 0.05uA
PHDI 0.13uA |
|
1
|
Mon Oct 12 11:27:02 2015 |
Sarah Lonsdale | 05/10/15 - Set up notes |
20 micron (see 2015-10-05_12.46.59.jpg for detailed information) and 500 micron detectors
Testing preamps using pulser through common wire to both sets of preamps (see 2015-10-05_13.12.01.jpg).
64 x 14mA pos signals 15V
64 x 4mA neg signals 15V (see 2015-10-05_12.02.00.jpg for example on oscilloscope)
Sample has 105 microgram Li-6 (LiF - 95% enriched) 105 micron thick (2015-10-05_12.12.15.jpg is Li-6 side up, 2015-10-05_12.12.26.jpg is Li-6 side down... do not mix up!)
dE uses 22, 23 on ribbon connector, E 24, 25
dE from bias supply 2, E from bias 1
de and E pos signals needed to be inverted using jumpers. de negs not used, only 16ch (see 2015-10-05_14.59.12.jpg)
de first and last (0,15) are noisy- don't use. E detector ch 0 doesn't work.
Channels used dE 4-9, E(pos) 3-7 and E(neg) 3-7 (see 2015-10-05_15.11.37.jpg and 2015-10-05_15.11.44.jpg)
|
| Attachment 1: 2015-10-05_12.46.59.jpg
|
|
| Attachment 2: 2015-10-05_12.02.00.jpg
|
|
| Attachment 3: 2015-10-05_12.12.15.jpg
|
|
| Attachment 4: 2015-10-05_12.12.23.jpg
|
|
| Attachment 5: 2015-10-05_13.12.01.jpg
|
|
| Attachment 6: 2015-10-05_14.59.12.jpg
|
|
| Attachment 7: 2015-10-05_15.11.44.jpg
|
|
| Attachment 8: 2015-10-05_15.11.37.jpg
|
|
|
2
|
Mon Oct 12 11:50:52 2015 |
Sarah Lonsdale | 05/10/15 Pulser, Wiring information and DAQ initial set up |
600mV in 50ohm coax with 25 hz pulser (positive signal) - see 2015-10-05_15.19.54.jpg and 2015-10-05_15.22.46.jpg
Leakage currents on detectors:
In air
10v: 0.03 micro amp det 1 leakage -dE
132v: 0.47micro amp det 2 leakage- E det
In vacuum
DE 0.04 micro amp
E 0.46 micro amp
Same size of signal at ADC hence 50 ohms coaxial.
The following channel explanations refer to cables at control area (not vault) see (2015-10-05_15.19.54.jpg) for full wiring information.
dE det= DEED 0 to -2V full scale, Lower limit 1800mV, Threshold 0V, thresh neg, pre 1024, post 2048, 20ms window, sample rate 225 MS/s
- L6D6 A = de 4
- L6D6 B = de 5
- L6D6 C = de 6
- L6D6 D = de 7
- LaBr 3 = de 8
- 21 = de 9
E det front= EFED 0 to -2V full scale, Lower limit 1800mV, Threshold 0V, thresh neg, pre 1024, post 2048, 20ms window, sample rate 225 MS/s
- 10 = Ef 3
- 12 = Ef 4
- 13 = Ef 5
- 14 = Ef 6
- 15 = Ef 7
E det back= EBED 0 to +2V full scale, Lower limit -200mV, Threshold 0V, thresh pos, pre 1024, post 2048, 20ms window, sample rate 225 MS/s (except EBED 5,6,7 which MUST be 900MS/s due to beam pick up signal)
- 16 = Eb 3
- 18 = Eb 4
- 20 = Eb 5
- 38 = Eb 6
- 40 = Eb 7
Run number 203385 on https://project-ntof.web.cern.ch/project-ntof/eRunbookEAR2.php |
| Attachment 1: 2015-10-05_15.19.54.jpg
|
|
| Attachment 2: 2015-10-05_15.20.24.jpg
|
|
| Attachment 3: 2015-10-05_15.22.39.jpg
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| Attachment 4: 2015-10-05_15.22.46.jpg
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Mon Oct 12 12:04:51 2015 |
Sarah Lonsdale | 05/10/15 Photo of detector distances and layout |
Fairly self explanatory, note that images with time-stamps before 13.08.29 were taken before fitting the o-ring on the flange and therefore lateral positions will be different to photos after 13.08.29. Individual detector heights were not changed. |
| Attachment 1: 2015-10-05_13.08.29.jpg
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| Attachment 2: 2015-10-05_13.08.45.jpg
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| Attachment 3: 2015-10-05_13.08.52.jpg
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| Attachment 4: 2015-10-05_13.09.02.jpg
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| Attachment 5: 2015-10-05_12.55.05.jpg
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| Attachment 6: 2015-10-05_12.55.27.jpg
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| Attachment 7: 2015-10-05_12.55.40.jpg
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| Attachment 8: 2015-10-05_13.12.07.jpg
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Mon Oct 12 12:07:24 2015 |
Sarah Lonsdale | 05/10/15 Changes to DAQ settings |
Note that detailed DAQ information available from project-ntof.cern.ch erunbook ear2.
As a rough guide: 6/7 mV per MeV
5mV thresh back side E, -5mV front E
-5mV dE
Implemented from Run 203388
From Run 203389
-7mV in Deed 8&9, EFED
+7mV in EBED
Run 203390
Thresholds back to -6mV for deed 8&9
Gamma flash ends at 70micro sec, corresponds to neutron energy of ~200keV... |