Proton Calorimetry/Experimental Runs/2018/Oct25-6: Difference between revisions

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| style="text-align: center;" |  
| style="text-align: center;" |  
|-
|-
| style="text-align: center;" | 01
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 160 pA / ~10 kHz
| style="text-align: center;" | 2 mm
| style="text-align: center;" | run01_2mmCol_160pA_trig140mV
| style="text-align: center;" | 2mmCol_160pA_30s_Run1
| style="text-align: center;" | Actual beam current rose to 240 pA then 270 pA
|-
| style="text-align: center;" | 02
| style="text-align: center;" | -900
| style="text-align: center;" | -70
| style="text-align: center;" | 260 pA
| style="text-align: center;" | 2 mm
| style="text-align: center;" | run02_2mmCol_260pA_trig70mV
| style="text-align: center;" | 2mmCol_260pA_30s_Run2
| style="text-align: center;" |
|-
| style="text-align: center;" | 03
| style="text-align: center;" | -900
| style="text-align: center;" | -40
| style="text-align: center;" | 260 pA
| style="text-align: center;" | 2 mm
| style="text-align: center;" | run03_2mmCol_260pA_trig40mV
| style="text-align: center;" | 2mmCol_260pA_30s_Run3
| style="text-align: center;" | Beam current ~160 pA
|-
| style="text-align: center;" | 04
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 1 nA
| style="text-align: center;" | 2 mm
| style="text-align: center;" | run04_2mmCol_1nA_trig140mV
| style="text-align: center;" | 2mmCol_1nA_30s_Run4
| style="text-align: center;" | Beam current ~1.2 nA
|-
| colspan="8" style="text-align: center;" | Test: HV reduced to -800 V, lights on, no increase in PMT current. Lights off for further beam runs.
|-
| style="text-align: center;" | 05
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 220 pA
| style="text-align: center;" | 2 mm
| style="text-align: center;" | run05_2mmCol_220pA_trig140mV_1mmPE
| style="text-align: center;" | 2mmCol_220pA_30s_Run5
| style="text-align: center;" | 1 mm polyethylene cover on collimator
Beam current rose to ~260 pA
|-
| style="text-align: center;" | 06
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 160 pA
| style="text-align: center;" | 2 mm
| style="text-align: center;" | run06_2mmCol_160pA_trig140mV_1mmPE
| style="text-align: center;" | 2mmCol_160pA_30s_Run6
| style="text-align: center;" | 1 mm polyethylene cover on collimator
Beam current rose to ~230 pA
|-
| style="text-align: center;" | 07
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 10 pA / ~30 kHz
| style="text-align: center;" | 5 mm
| style="text-align: center;" | run07_5mmCol_10pA_trig140mV
| style="text-align: center;" | 5mmCol_10pA_30s_Run7
| style="text-align: center;" | No polyethylene
Beam current rose to ~30 pA
|-
| style="text-align: center;" | 08
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 10 pA
| style="text-align: center;" | 5 mm
| style="text-align: center;" | run08_5mmCol_10pA_trig140mV
| style="text-align: center;" | 5mmCol_10pA_30s_Run8
| style="text-align: center;" | Repeat run for run 07
|-
| style="text-align: center;" | 09
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 10 pA
| style="text-align: center;" | 5 mm
| style="text-align: center;" | run09_5mmCol_10pA_trig140mV_1mmPE
| style="text-align: center;" | 5mmCol_10pA_30s_Run9
| style="text-align: center;" | 1 mm polyethylene cover on collimator
Beam spot moved - polyethylene cover slipped, 'cyclops' beam
Beam current ~8 pA
|-
| style="text-align: center;" | 10
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 10 pA
| style="text-align: center;" | 5 mm
| style="text-align: center;" | run10_5mmCol_10pA_trig140mV_1mmPE
| style="text-align: center;" | 5mmCol_10pA_30s_Run10
| style="text-align: center;" | Repeat run for run 09
Peak beam current 15 pA
|-
| style="text-align: center;" | 11
| style="text-align: center;" | -900
| style="text-align: center;" | -140
| style="text-align: center;" | 10 pA
| style="text-align: center;" | 5 mm
| style="text-align: center;" | run11_5mmCol_10pA_trig140mV_1mmPE_HalfCover
| style="text-align: center;" | 5mmCol_10pA_30s_Run11
| style="text-align: center;" | 1 mm polyethylene half-cover on collimator
Beam current ~8 pA
|}
|}

Revision as of 10:24, 25 October 2018

Beam tests of the single module with PRaVDA Silicon strip tracker with trigger pulse output at the Birmingham Cyclotron with a 36 MeV beam.

Equipment List

Item Notes
Single Module Scintillator Block 3cm x 3cm x 5cm standard scintillator block. Optical gel required to couple Scintillator to PMT
Photomultiplier Tube Hamamatsu R13089 2"
Portable Enclosure Modified Peli 1510 Waterproof Wheeled Equipment Case.

230 x 555 x 350mm
Features mount for scintillator and PMT, opening for beam, and ports for SHV, BNC, and SMA cables.
Mylar window with Al support mounted to internal face: approximately light-tight.
BNC output from case connected to SMA switcher [INSERT DETAILS]

LeCroy HDO6104 Oscilloscope Records PMT output, connected via SMA-BNC conversion.
Caen DT5751 Digitiser Records PMT output, connected via SMA-MCX conversion. Used channel 3.
DAQ Laptop Controls Caen HV supply; records data from Caen digitiser.
Caen NDT1470 HV Supply Supplies HV to PMT
PRaVDA Strip Tracker PRaVDA Unit A, 3x150um Si strip sensors with 90.4um strip pitch.
Firmware version update to yield square pulse out when 2 or 3 layers have a strip over threshold per read out cycle
Control Laptop x 3 Two used for Remote Desktop control of LeCroy Oscilloscope and DAQ Laptop. Third used for taking down notes.
Ethernet Switcher Set in experiment room and connected LeCroy Oscilloscope and DAQ laptop. Output sent to control room Network Hub.
Network Hub Set in control room to take output from ethernet switcher. Control laptops connected via ethernet or 5GHz WiFi.
Ethernet Cable x 3 To connect 1 control laptop, the LeCroy HDO6104 and DAQ Laptop to their respective network hubs.
Ethernet Cable To connect control Network Hub to Ethernet Switcher.
Male-to-Male SMA Cable Signal from enclosure port to Splitter
DC-4200 MHz Signal Splitter Splits SMA signal to two SMA signals – sent to Oscilloscope and Digitiser.
Male SMA to Male BNC cable Sends 1 output from splitter to Oscilloscope.
Male SMA to Male MCX cable Sends 1 output from splitter to Digitiser
USB Cable Caen HV unit to DAQ Laptop
Gloves For handling scintillator
Optical gel For coupling scintillator to PMT
Wipes For removing optical gel

Beam Tests

Calorimeter files currently located at /unix/pbt/users/dwalker/data/birm_21.02.18 on UCL HEP plus1 server.

PMT Current at HV supply -900 V, beam off: 150 μA

Run Number High Voltage (V) Scope Trigger (self trigger, negative edge, mV) Target Beam Current / Rate Collimator Calorimeter Files Tracker Files Notes
00 -900 -100 ~10 kHz 2 mm run00_2mmCol_160pA_trig100mV --
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