Proton Calorimetry/Experimental Runs/2014/Dec8-9: Difference between revisions

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(Info dump: Word document notes from 08-09/12/2014 entered as tables with minimal formatting. Formatting and corrections to follow.)
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'''PAGE UNDER CONSTRUCTION'''
'''PAGE UNDER CONSTRUCTION'''


08/12/2014
__TOC__


=Day 1 (December 8th)=
====Notes====
*Black cloth was placed around the box containing the module, but did NOT cover the face of the scintillator
*Distance between the beam and the modeule: ~30 cm (as for previous tests)
*Beam nozzle diameter: 34 mm
===Rate Tests===
{|class="wikitable"
{|class="wikitable"
!High Voltage (V)
!High Voltage (V)
Line 16: Line 24:
|
|
HV on: 10.30 am, data taking: 11.00 am
HV on: 10.30 am, data taking: 11.00 am
*I: 65.8 μ
*I: 65.8 μA
*Scope Threshold: 62 mV
*Scope Threshold: 62 mV
*Rate: 430-500 Hz (after ~10 minutes of beam on)
*Rate: 430-500 Hz (after ~10 minutes of beam on)
|
|
*DC offset: 0
*DC offset: 0
*Threshold 40LSB
*Threshold 40 LSB
*Gate offset: 20ns
*Gate offset: 20 ns
*Charge sens.: 20 fC/LSB
*Charge sens.: 20 fC/LSB
*Short gate: 60 ns
*Short gate: 60 ns
Line 228: Line 236:
|}
|}


Notes:
=Day 2 (December 9th)=
*Black cloth was placed around the box containing the module, but did NOT cover the face of the scintillator
*Distance between the beam and the modeule: ~30 cm (as for previous tests)
*Beam nozzle diameter: 34 mm


09/12/2014
====Notes====
*HV on for 15 minutes before measurements started
*Background rate for Hexagonal Module (for 800 V on the PMT, with beam off and 2 mm collimator in place): 4.5 Hz
* Current at 800 V: 65.8 μA (with the beam off), 65.9 μA (with the beam on)


===Rate Tests===
{|class="wikitable"
{|class="wikitable"
!High Voltage (V)
!High Voltage (V)
Line 280: Line 289:
| 2mm || 040 (350,000 events)
| 2mm || 040 (350,000 events)
|-
|-
| 900 || ST || As above +
| 900 || ST || || As above +
*Long gate: 100 ns
*Long gate: 100 ns
| 2 mm || 041 (350,000 events)
| 2 mm || 041 (350,000 events)
Line 643: Line 652:
*Dose rate: 2 monitor units/minute
*Dose rate: 2 monitor units/minute
| 082 (3,000,000 events)
| 082 (3,000,000 events)
|-
| 800 || ST  
| 800 || ST  
|
|
Line 688: Line 698:
*Arc current: 160 μA
*Arc current: 160 μA
| 087 (300,000 events)
| 087 (300,000 events)
|-
| 1300 || ST
| 1300 || ST
|
|
Line 750: Line 761:
|}
|}


Notes:
==Beam Manipulation Tests==
*HV on for 15 minutes before measurements started
*Background rate for Hexagonal Module (for 800 V on the PMT, with beam off and 2 mm collimator in place): 4.5 Hz
* Current at 800 V: 65.8 μA (with the beam off), 65.9 μA (with the bea on)
 
Beam Manipulation Tests:
*2 mm collimator in nozzle, 800 V
*2 mm collimator in nozzle, 800 V


Latest revision as of 18:30, 24 July 2017

Include all details of experimental runs from Anastasia's PDFs.

PAGE UNDER CONSTRUCTION

Day 1 (December 8th)

Notes

  • Black cloth was placed around the box containing the module, but did NOT cover the face of the scintillator
  • Distance between the beam and the modeule: ~30 cm (as for previous tests)
  • Beam nozzle diameter: 34 mm

Rate Tests

High Voltage (V) Trigger Rate + Additional Information Electronics Setup Collimator Size + Additional Information Run Number
800 ST

HV on: 10.30 am, data taking: 11.00 am

  • I: 65.8 μA
  • Scope Threshold: 62 mV
  • Rate: 430-500 Hz (after ~10 minutes of beam on)
  • DC offset: 0
  • Threshold 40 LSB
  • Gate offset: 20 ns
  • Charge sens.: 20 fC/LSB
  • Short gate: 60 ns
  • Long gate:200 ns
  • 2 mm
  • 60 MeV beam
  • Flow rate: 1.1 cc/min
  • Arc current: 0
 002 (150,000 events)
800 ST
  • Rate: 630-1000 Hz
  • wd: 3 mm
 As above 3 mm 003 (450,000 events)
800 ST
  • Rate: 2.1-2.7 kHz
  • wd: 5 mm
 As above 5 mm 004 (700,000 events)
800 ST
  • Rate: 2.5-2.85 kHz
  • wd: 4 mm
 As above 4 mm 005 (1,000,000 events)
800 ST
  • Rate: 13-14 kHz
  • wd: 8 mm
 As above 8 mm 006 (5,000,000 events)
800 ST
  • Rate: 20-25 kHz
  • wd: 10 mm
 As above 10 mm 007 (5,000,000 events)
800 ST
  • Rate: 65-100 kHz
  • Note: Beam off for lunch for ~1.5 hours
 As above 10 mm (Repeat measurement - run 007) 008 (4,600,000 events)
800 ST
  • Rate 100 kHz
  • Note: A lot of pile up
 As above +
  • Long gate: 100 ns
 10 mm 009 (3,000,000 events)
800 ST
  • Note: A lot of pile up
 As above + Short gate: 49 ns, Long gate: 50 ns 10 mm 010 (2,500,000 events)
800 ST
  • Rate: 3.3-3.6 kHz
  • wd: 2 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm (Repeat measurement - run 002) 011 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
 2 mm 012 (350,000 events)
800 ST
  • Rate: 3.2 kHz
 As above 2 mm (Repeat measurement - run 012) 013 (350,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 200 ns
 2 mm 014 (350,000 events)
800 ST As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm (Repeat measurement - run 002) 015 (350,000 events)
800 ST
  • Rate: 1.4 kHz
  • wd: 1 mm
 As above 1 mm 016 (300,000 events)
800 ST
  • Rate: 300-350 Hz
  • wd: 0.5 mm
 As above 0.5 mm, Cent red at 0 017 (320,000 events)
800 ST
  • Rate: 300 Hz
 As above 0.5 mm, 8 mm off centre, horizontal right 018 (125,000 events)
800 ST
  • Rate: 210 Hz
 As above 0.5 mm, 16 mm off centre, horizontal right 019 (100,000 events)
800 ST
  • Rate: 300 Hz
 As above 0.5 mm, 8 mm off centre, horizontal left 020 (100,000 events)
800 ST
  • Rate: 190 Hz
 As above 0.5 mm, 16 mm off centre, horizontal left 021 (100,000 events)
800 ST
  • Rate: 310 Hz
 As avove 0.5 mm, 8 mm off centre, vertical up 022 (100,000 events)
800 ST
  • Rate: 200 Hz
 As above 0.5 mm, 8 mm off centre, vertical up 023 (100,000 events)
800 ST
  • Rate: 3.7 Hz (?)
  • wd: 2 mm
 As above 2 mm (Repeat measurement - run 002) 024 (350,000 events)
800 ST
  • Rate: 4.3 Hz
 As above 2 mm, Beam off (background run) 025 (450 events)
800 ST
  • Rate: 5.9 kHz
 As above 2 mm, Flow rate: 1.3 cc/min 026 (500,000 events)
800 ST
  • Rate: 5.9-6 kHz
  • Note: Peak shifted to higher ADC during running
 As above 2 mm, Flow rate: 1.6 cc/min 027 (350,000 events)
800 ST
  • Rate: unstable
  • Note: Peak stabilised at higher ADC
 As above 2 mm 028 (2,366,000 events)
800 ST
  • Rate (0 current): 4.5 kHz
  • Rate (1/4 of a turn of current): 4.5 kHz
  • Rate (xurrent at 0.8-0.9): 250 kHz
 As above 2 mm, Flow rate: 1.1 cc/min, Arc current: 1/10th of therapy setting (0.8-0.9) 029 (3,200,000 events)
800 ST
  • Rate (~1 turn away from "off" position for arc current): 4.22 kHz
 As above 2 mm, Arc current: ~1 turn away from "off" position 030 (350,000 events)
900 ST As above +
  • Long gate: 100 ns
 2 mm 032 (350,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2 mm 033 (350,000 events)
1000 ST
  • Rate: 2.9 kHz
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm 034 (350,000 events)
1000 ST As above +
  • Short gate: 100 ns
 2 mm 035 (350,000 events)
1000 ST
  • Rate 2-2.5 kHz
 As above +
  • Short gate: 49 n
  • Long gate: 50 ns
 2 mm 036 (350,000 events)

Day 2 (December 9th)

Notes

  • HV on for 15 minutes before measurements started
  • Background rate for Hexagonal Module (for 800 V on the PMT, with beam off and 2 mm collimator in place): 4.5 Hz
  • Current at 800 V: 65.8 μA (with the beam off), 65.9 μA (with the beam on)

Rate Tests

High Voltage (V) Trigger Rate + Additional Information Electronics Setup Collimator Size + Additional Information Run Number
800 ST
  • Rate: 3.6 kHz
  • wd: 2 mm / lin / 800 V
  • Note: energy dergadation measurements
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
  • 2 mm
  • Flow rate: 1.1 cc/min
  • Arc current: 0
 037 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
 2 mm 038 (350,000 events)
800 ST
  • Rate: 2.5-2.7 kHz
 As above +
  • Short gate: 49 ns
  • Long gate: 200 ns
 2mm 039 (350,000 events)
900 ST
  • Rate: 3.1 kHz
  • I: 74.2 μA
  • wd: 2 mm / lin / 900 V
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2mm 040 (350,000 events)
900 ST As above +
  • Long gate: 100 ns
 2 mm 041 (350,000 events)
900 ST
  • Rate: 4.5 kHz
 As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2 mm 042 (350,000 events)
900 ST
  • Rate: 2.5 kHz
  • wd: 2 mm / lin / 900 V / 5.07 mm
 As above +
  • Long gate: 100 ns
 2 mm
  • 5.07 mm of PMMA, single plate placed ~1.8 m upstream of beam
 043 (350,000 events)
900 ST As above +
  • Long gate: 100 ns
 2 mm
  • 5.07 mm of PMMA
 044 (350,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2 mm
  • 5.07 mm of PMMA
 045 (350,000 events)
800 ST
  • Rate: 3.2 kHz
  • wd: 2 mm / lin / 800 V / 5.07 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm
  • 5.07 mm of PMMA
 046 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
 2mm
  • 5.07 mm of PMMA
 047 (350,000 events)
800 ST
  • Rate: 3.5 kHz
 As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2 mm
  • 5.07 mm of PMMA
 048 (350,000 events)
800 ST
  • Rate: 2-2.2 kHz
  • wd: 2 mm / lin / 800 V / 9.8 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm
  • 9.8 mm of PMMA, single plate
 049 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
 2mm
  • 9.8 mm of PMMA
 050 (350,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 60 ns
 2 mm
  • 9.8 mm of PMMA
 051 (350,000 events)
900 ST
  • Rate: 2.8 kHz
  • wd: 2 mm / lin / 900 V / 9.8 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2mm
  • 9.8 mm of PMMA
 052 (350,000 events)
900 ST As above +
  • Long gate: 100 ns
 2 mm
  • 9.8 mm of PMMA
 053 (350,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2mm
  • 9.8 mm of PMMA
 054 (350,000 events)
900 ST
  • Rate: 1.8 kHz
  • wd: 2 mm / lin / 900 V / 14.12 mm
 As above 2 mm
  • 14.12 mm of PMMA, single plate
 055 (350,000 events)
900 ST As above +
  • Short gate: 60 ns
  • Long gate: 100 ns
 2 mm
  • 14.12 mm of PMMA
 056 (350,000 events)
900 ST As above +
  • Long gate: 200 ns
 2 mm
  • 14.12 mm of PMMA
 057 (350,000 events)
800 ST
  • Rate: 1.7 kHz
  • wd: 2 mm / lin / 800 V / 14.12 mm
 As above 2 mm
  • 14.12 mm of PMMA
 058 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
 2 mm
  • 14.12 mm of PMMA
 059 (350,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2 mm
  • 14.12 mm of PMMA
 060 (350,000 events)
800 ST
  • Rate: 1 kHz
  • wd: 2 mm / lin / 800 V / 17.94 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2mm
  • 17.94 mm of PMMA (9.04 mm + 8.9 mm plates)
 061 (350,000 events)
800 ST As above +
  • Long gate: 100 ns
 2 mm
  • 17.94 mm of PMMA
 062 (300,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2 mm
  • 17.94 mss of PMMA
 063 (300,000 events)
900 ST
  • Rate: 830 Hz
  • wd: 2 mm / lin / 900 V / 17.94 mm
  • Note: Automatic beam off during run
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm
  • 17.94 mm of PMMA
 064 (143,000 events)
900 ST
  • Rate: 1.2 kHz
 As above 2mm
  • 17.94 mm of PMMA
 065 (315,000 events)
900 ST As above +
  • Long gate: 100 ns
 2 mm
  • 17.94 mm of PMMA
 066 (300,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2 mm
  • 17.94 mm of PMMA
 067 (300,000 events)
900 ST
  • Rate: 330 Hz
  • wd: 2 mm / lin / 900 V / 19.94 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm
  • 19.94 mm of PMMA (9.04 mm + 10.9 mm plates)
 068 (200,000 events)
900 ST As above +
  • Long gate: 100 ns
 2 mm
  • 19.94 mm of PMMA
 069 (200,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2mm
  • 19.94 mm of PMMA
 070 (200,000 events)
800 ST
  • Rate: 590 Hz
  • wd: 2 mm / lin / 800 V / 19.94 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm
  • 19.94 mm of PMMA
 071 (200,000 events)
800 ST As above +
  • Long gate: 100 ns
 2 mm
  • 19.94 mm of PMMA
 072 (250,000 events)
800 ST
  • Rate: 600 Hz
 As above +
  • Short gate: 49 ns
  • Long gate: 60 ns
 2 mm
  • 19.94 mm of PMMA
 073 (200,000 events)
800 ST
  • Rate: 400 Hz
  • wd: 2 mm / lin / 800 V / 21.71 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm
  • 21.21 mm of PMMA (9.04 mm + 12.67 mm plates)
 074 (200,000 events)
800 ST As above +
  • Long gate: 100 ns
 2 mm
  • 21.71 mm of PMMA
 075 (200,000 events)
800 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2 mm
  • 21.71 mm of PMM
 076 (200,000 events)
900 ST
  • Rate: 500 Hz
  • wd: 2 mm / lin / 900 V / 21.71 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm
  • 21.71 mm of PMMA
 077 (200,000 events)
900 ST As above +
  • Long gate: 100 ns
 2mm
  • 21.71 mm of PMMA
 078 (120,000 events)
900 ST As above +
  • Short gate: 49 ns
  • Long gate: 50 ns
 2mm
  • 21.71 mm of PMMA
 079 (100,000 events)
1100 ST
  • Rate: 2.5 kHz
  • I: 90.55 μA
  • wd: 2 mm
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm 080 (200,000 events)
1100 ST As above+
  • Long gate: 100 ns
 2 mm 081 (200,000 events)
800 ST
  • Rate: 400 kHz
  • wd: 2 mm / tests
  • Note: Beam manipulation tests
  • Note: Large pile up
 As above +
  • Short gate: 60 ns
  • Long gate: 200 ns
 2 mm
  • Flow rate: 1.6 cc/min
  • Arc current: 150 μA
  • Dose rate: 2 monitor units/minute
 082 (3,000,000 events)
800 ST
  • Rate: 1 kHz
 As above 2 mm, As above +
  • Arc current: 1 mA
  • Dephase: 190°
 083 (100,000 events)
800 ST
  • Rate: 60 kHz
 As above 2 mm, As above +
  • Dephase: 186°
 084 (3,250,000 events)
800 ST
  • Rate: 200 kHz
 As above 2 mm, As above +
  • Dephase: 184.5°
  • Dose rate: 0.6 monitor units/minute
 085 (2,865,000 events)
1300 ST
  • Rate: 1.4-1.7 kHz
  • I: 232.75 μA
  • wd: 2 mm / Cerenekov
  • Note: Cerenekov tests
 As above 2 mm
  • Flow rate: 1.6 cc/min
  • Arc current: 75 μA
 086 (350,000 events)
1300 ST
  • Rate: 2.9 kHz
 As above 2 mm, As above +
  • Arc current: 160 μA
 087 (300,000 events)
1300 ST
  • Rate (beam off): 7-8 Hz
  • Rate (beam on): 3.2 kHz
 As above
  • Beam stop: 16 mm of brass in nozzle
  • Beam parameters as above
 088 (100,000 events)
1300 ST
  • Rate (beam off): 3Hz
  • Rate (beam on): 500 Hz
 As above Beam stop:
  • Nozzle: 16 mm of brass
  • Upstream: 1 cm of lead + 3 cm of paraffin wax
 089 (37,000 events)
1300 ST
  • Rate (beam off): 3 Hz
  • Rate (beam on): 400 Hz
 As above Beam stop:
  • Nozzle: 16 mm of breass
  • Upstream: 20 cm of lead
 N/A
1300 ST
  • Rate (beam off): 2.5 Hz
  • Rate (beam on): 400 hz
  • Note: Black cloth now covers the entrance face to prevent PMT tripping when corridor lights are switched on
 As above Beam stop:
  • Nozzle: empty
  • Upstream: 20 cm of lead
 N/A
1300 ST
  • Rate (beam off): 2 Hz
  • Rate (beam on): PMT trips from over-current
  • After tripping, the PMT is swithced back on and the rate is monitored. The rates decrease back to the background rate over a few minutes:
    • 5.88 Hz
    • 5 Hz
    • 4.34 Hz
    • 4.29 Hz
    • 3.33 Hz
    • 3.06 Hz
    • 3.13 Hz
    • 2.25 Hz
    • 2.10 Hz
 As above Beam stop:
  • Nozzle: empty
  • Upstream: empty
 N/A

Beam Manipulation Tests

  • 2 mm collimator in nozzle, 800 V
Flow Rate, cc/minute Arc Current Dose Rate, monitor units/minute Dephase, ° Rate PMT Current, μA
1.6 0 4-5 kHz 69.95
1.6 70 μA 1 250 kHz
1.6 Dropped compared to previous 0.5 140 kHz
1.6 Increased compared to previous 2 400 kHz
1.6 115 μA 2.2 400 kHz
1.6 3.4 300 kHz
1.6 150 μA 2.1 400 kHz
1.6 150 μA 0.5 183 150 kHz
1.6 150 μA 0.1 185 40 kHz
1.6 150 μA 0 190 300 kHz
1.6 1 mA 0 190 1 kHz
1.6 1 ma 0.2 186 60 kHz
1.6 1 mA 0.6 184.5 200 kHz
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