| ID |
Date |
Author |
Subject |
|
65
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Thu Aug 17 10:26:51 2023 |
Nikolay Sosnin | Data Processing |
To run raw2root on LXPLUS, you will need to add the following line to your .bashrc, performed using
gedit ~/.bashrc &
then paste line at the bottome of the file
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/afs/cern.ch/user/n/ntofuser/public
then save and close the gedit (a linux text editor similar to Windows Notepad). Text file .bashrc is responsible for setting correct paths to various system settings when you log in. The line above sets correct libraries for raw2root from the n_TOF official directories.
The old version of raw2root which I use is stored in a directory on EOS accessible via LXPLUS:
cd /eos/home-n/nsosnin/public/raw2root
If you examine the contents of the directory using command ls, there will be two folders: ntoflib and prg. The relative location of these folders on your system should always be the same, and you do not need to do anything in the ntoflib directory, so we can explore the next directory
cd prg && ls
Command cd means change directory and ls is list contents, double-& chains commands in a sequence. Your terminal should now display two more directories: detector and raw2root. detector is a list of codes for various detector types, examine its contents with ls detector. We use MWDdetector.cc and its library header file MWDdetector.h. All the filters are defined and can be changed in MWDdetector.cc, which is a C++ code. You can browse and change its contents with gedit. raw2root codes, however, are run from the raw2root directory, so let's change to it
cd raw2root && ls
When you list the contents of this directory there will be many files, none of which you need to edit. There will also be a directory called Traces, which I created as the default location for signal traces to be written, if relevant sections of MWDdetector.cc are uncommented (discussed below). If you are happy with the contents of MWDdetector.cc, you need to re-compile raw2root. Using C++ code, unlike some others, is a two-step process: compilation and execution. Various bits of code in raw2root and its libraries are put together into one executable file called raw2root during compilation stage, and then the code can be run by executing the executable. To compile raw2root, you need to be in its directory, which you can check by typing in
pwd
which should then display /eos/home-n/nsosnin/public/raw2root/prg/raw2root and if you it displays something else, use
cd /eos/home-n/nsosnin/public/raw2root/prg/raw2root
To compile raw2root in this directory use
make clean && make proper && make
The code will start compiling and do so for a while. It will display some warnings associated with other older n_TOF codes. There should, however, be no errors. If there are errors, something went wrong in MWDdetector.cc, so try troubleshooting it by Googling the errors (the line with the error will also display two numbers, something like error: MWDdetector.cc:1211:45, and the the second number is the line where the problem occurred). C++ errors are a dark art though, so feel free to contact me for help.
If the compilation displays no errors (woo!), the code compiled successfully. To test it, two things are needed: UserInput file and .raw.finished file. UserInput file called UserInput_Silicons.h, which I use, is already stored in that directory. If you examine it with gedit, you will see lines with detector names and numbers and the filtering parameters. The parameters are read in at the top of MWDdetector.cc in order, so you can follow the variables they are read into throughout the code to figure out which parameter does what (this is not an easy task!).
.raw.finished files are binary data files with detector signal traces, which raw2root filters and makes into ROOT files. These need to be downloaded from CERN servers (I left two example ones in the directory though). While the experiment is running these are stored, but will eventually be deleted, so if they don't download, contact me on staging data (i.e. writing it onto servers again after deletion). To download such a binary file for this experiment to the directory you are in use
xrdcp xroot://eosctapublicdisk.cern.ch//eos/ctapublicdisk/archive/ntof/2023/EAR2/26Al_DSSSD/216408/stream1/run216408_1_s1.raw.finished .
Here, xrdcp command is CERN's own copying command, which takes data from the directory listed in the command. I have highlighted above in yellow the bits you may need to change in the command. The first two are simply run number. The last one is the data segment. n_TOF data within a run are subdivided into 20 proton bunch segments, so one such .raw.finished file that you download contains 20 bunches (which is a very small amount of data, so if you need mass_processing, contact me or Fran (francisco.garcia.infantes@cern.ch) at n_TOF). You can download different segments by changing this number. Bunches 1-20 are in segment 0, bunches 21-40 in segment 1, etc.
Once you have downloaded the file of interest execute raw2root with command
./raw2root -p UserInput_Silicons.h -f run216408_1_s1.raw.finished -r rootout.root
This will run for some time, applying settings from UserInput to filters in MWDdetector.cc, and running the filters over data in the .raw.finished file. This will produce an output file called rootout.root, but feel free to change the name in the command to whatever you like, otherwise you will just keep overwriting the old files. This output file will have the amplitudes, times etc. of all the extracted signals listed, but it will not produce traces, as that is not standard raw2root functionality, and requires my code, which I added to MWDdetector.cc
To print traces, open MWDdetector.cc using
gedit ../detector/MWDdetector.cc &
Note, ".." on Linux means "previous directory", so the command above will leave raw2root directory, go to detector directory and open the code. In this code, uncomment (i.e. remove // or /* or */ characters in C++) from lines 310-312, 441, 442, 465 and 529. This will now print trace ROOT files into the Traces directory. Warning: this runs very slowly, as it's a lot of data being written to disk!
The if() statment on line 465 allows you to gate on specific bunches and detectors for producing traces. The contents of histograms inside the output files can be understood in terms of what MWDdetector.cc does by reading the lines 514-522 of that code. This should be everything you need to get started with processing traces and filtering outputs. Good luck! |
|
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% |
|
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%
|
|
31
|
Thu Oct 6 11:07:47 2022 |
Nikolay Sosnin | Change of sample/Addition of pulser |
Changed from LiF 4 to LiF 3 after running with LiF 4 overnight (run title on n_TOF DAQ was not updated to refelect the change, and still says LiF 4, but the material setting of the run states correctly that hte run is with LiF 3).
Added pulser triggered from protons. 12 microsecond delay from protons to gamma-flash + 1.75 microsecond delay from gamma flash to pulser. 20 mV pulser output into 50 ohm impedance (10 mV final output) of both polarities (using two pulsers, one NE pulser and one BNC PB5 pulser). Planning torun with 1.75 microsecond delay for approx. 1 hour, change to 5 microsecond delay. |
|
35
|
Fri Oct 7 20:04:30 2022 |
Nikolay Sosnin | Change of Pulser Setting |
The pulser has been switched from triggering from beam trigger to running at a 10 Hz rate, and will now appear in random places in signal traces. Planned to run overnight measuring LiF3, switch to empty + detector in beam in the morning. |
|
33
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Thu Oct 6 14:58:29 2022 |
Nikolay Sosnin | Change of Pulser Delay |
Still using pulser triggered from protons. 12 microsecond delay from protons to gamma-flash + 1.75 microsecond delay from gamma flash to pulser. 20 mV pulser output into 50 ohm impedance (10 mV final output) of both polarities (using two pulsers, one NE pulser and one BNC PB5 pulser). Changed pulser setting to run with 5 microsecond delay for approx. 1 hour, then change to 10 microsecond delay. |
|
34
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Fri Oct 7 17:17:08 2022 |
Nikolay Sosnin | Change of Pulser Delay |
Still using pulser triggered from protons. 12 microsecond delay from protons to gamma-flash + 11 microsecond delay from gamma flash to pulser. 20 mV pulser output into 50 ohm impedance (10 mV final output) of both polarities (using two pulsers, one NE pulser and one BNC PB5 pulser). Changed pulser setting to run with 11 microsecond delay for approx. 2 hour, then change to an overnight run with pulser running NOT triggered from beam. |
|
37
|
Sat Oct 8 11:57:36 2022 |
Nikolay Sosnin | Change of Detector-Target Separation |
Increased detector-target (LiF 3) separation by 1.5 cm. Had to replace the support strut under the detectors due to the previous one being fuly retracted even for minimal target-detector separation. This change may affect detector rotation relative to the target. |
| Attachment 1: Positive_Pulser_Resize.jpg
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| Attachment 2: Short_Det_Holder_In_Place_Resize.jpg
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| Attachment 3: Short_Holder_In_Chamber_Resize.jpg
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| Attachment 4: Initia_Det_Holder_Config_Resize.jpg
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| Attachment 5: Negative_Pulser1_Resize.jpg
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| Attachment 6: Negative_Pulser2_Resize.jpg
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| Attachment 7: Negative_Pulser3_Resize.jpg
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| Attachment 8: Negative_Pulser3_Resize.jpg
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| Attachment 9: Negative_Pulser4_Resize.jpg
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| Attachment 10: E_Voltage2_Resize.jpg
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| Attachment 11: E_Voltage3_Resize.jpg
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| Attachment 12: Initial_dE_LiF3_Distance_Resize.jpg
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| Attachment 13: Initial_Holder_Back_View_Resize.jpg
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| Attachment 14: Initial_Holder_Front_View_Resize.jpg
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| Attachment 15: dE_Voltage2_Resize.jpg
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| Attachment 16: dE_Voltage3_Resize.jpg
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| Attachment 17: Det_Holder_Stand_Replacement_to_Short_Resize.jpg
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41
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Mon Jul 3 13:01:30 2023 |
Emmanuel | Boxes for nTOF experiments to CERN |
Box 1
1. RC412 Cables
2. Screws and parts for rails
3. Small rails
Box 2
1. Vacuum valves
2. IDC cables
Box 3 (Detectors)
1. WI-20
3186-9
2. WI-150
3458-4
3. WI-150
3458-1
Box 4 (Detector)
1. WI-20
3485-12
*List
**We also have the tube for the long rails
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98
|
Mon Aug 4 16:45:43 2025 |
Selin | Boron-3 Consistency Check |
These are the consistency checks done for Boron-3 sample.
Please note that the back strips for the first run are mismatched due to the settings in DAQ. |
| Attachment 1: B3-1-8.png
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| Attachment 2: B3-9-16.png
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| Attachment 3: B3-17-24.png
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| Attachment 4: B3-25-32.png
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97
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Mon Aug 4 16:44:06 2025 |
Selin | Boron-1 Consistency Check |
These are the consistency checks done for Boron-1 sample. |
| Attachment 1: B1-1-8.png
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| Attachment 2: B1-9-16.png
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| Attachment 3: B1-17-24.png
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| Attachment 4: B1-25-32.png
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92
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Wed Jul 16 11:45:39 2025 |
Selin | Boron Spectra Update After Setting Change + Pulser Removed |
Uncalibrated amplitude spectra of Boron (run221188) after the settings were changed, the pulser was removed, and the threshold in the UserInput has been lowered. Both alphas can be seen in the front and back strips. The ratios between the alphas are similar for front (0.066) and back (0.063) strips.
1- Uncalibrated amplitude spectra of strip 2.
2- 1- Uncalibrated amplitude spectra of strip 19. |
| Attachment 1: B_Strip2_ded.png
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| Attachment 2: B_Strip19_ded.png
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40
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Sun Oct 9 21:07:02 2022 |
Nikolay Sosnin | Boron Sample 3 Measurement |
21:15 Changed from detectors in-beam to boron-10 sample 3 in-beam (in-beam measurement got 1000 triggers, 500 of which were dedicated). The sample was mounted identically to LiF 3. An attempt was made to replace the 20-micron dE detector with a 50-micron one, but the screwholes on the 50-micron detector did not match the 300-micron E-detector ones and therefore could not be mounted. 20-micron detector was therefore re-attached. Planning to run for 12 hours with boron than dismount. |
| Attachment 1: Voltage_dE4_Resize.jpg
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| Attachment 2: Voltage_E4_Resize.jpg
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| Attachment 3: E_dE_Position_Before_Boron_Resize.jpg
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| Attachment 4: E_dE_Position_Boron_Above_Resize.jpg
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| Attachment 5: E_dE_Position_Boron_Back_Resize.jpg
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| Attachment 6: E_dE_Position_Boron_Resize.jpg
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| Attachment 7: Boron_Sample_Rotation_Angle_Resize.jpg
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| Attachment 8: Boron_Sample3_Target_View_Resize.jpg
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| Attachment 9: Boron_Measurement_Chamber_Interior2_Resize.jpg
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| Attachment 10: Boron_Mounted_Resize.jpg
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| Attachment 11: Boron_Measurement_Chamber_Interior1_Resize.jpg
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| Attachment 12: Boron_Sample3_Back_Resize.jpg
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| Attachment 13: Boron_Sample3_Front_Resize.jpg
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| Attachment 14: Boron_Sample3_InBeam_Resize.jpg
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82
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Tue Mar 18 13:28:30 2025 |
Emmanuel | B10 and LiF data with Fast Fourier Transform |
Attached is the B10 and LiF data with Fast Fourier Transform and varying time constants. |
| Attachment 1: B10.pdf
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| Attachment 2: Li.pdf
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32
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Thu Oct 6 11:45:39 2022 |
Nikolay Sosnin | Assembly Setup Days 1 and 2 |
Photographs of assembly up to the first pulser test with LiF3. |
| Attachment 1: LiF4_Mounted_On_Trolley_Resize.jpg
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| Attachment 2: Mounted_Detectors_Resize.jpg
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| Attachment 3: Rail_Clamps_Resize.jpg
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| Attachment 4: Target_Holder_Mount_Resize.jpg
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| Attachment 5: Vacuum_Side_Resize.jpg
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| Attachment 6: LiF4_Final_Position_Resize.jpg
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| Attachment 7: LiF4_In_Chamber_Resize.jpg
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| Attachment 8: LiF4_Mounted_2_Resize.jpg
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| Attachment 9: LiF4_Mounted_Resize.jpg
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| Attachment 10: Final_Readout_Connection_Both_Resize.jpg
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| Attachment 11: Full_Assembly_Resize.jpg
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| Attachment 12: Full_Assembly_Target_Holder_View_Resize.jpg
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| Attachment 13: LiF3_Final_Position_Resize.jpg
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| Attachment 14: LiF3_Holder_Resize.jpg
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| Attachment 15: E_Box_Resize.jpg
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| Attachment 16: E_Detector_Resize.jpg
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| Attachment 17: E_Mounted_Resize.jpg
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| Attachment 18: E_Voltage_Resize.jpg
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| Attachment 19: dE_Box_Resize.jpg
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| Attachment 20: dE_Detector_Resize.jpg
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| Attachment 21: dE_Readout_Connection_Resize.jpg
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| Attachment 22: dE_Voltage_Resize.jpg
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| Attachment 23: Detector_Holder_Mount_Resize.jpg
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| Attachment 24: Central_Chamber_Mounted_Rails_Resize.jpg
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| Attachment 25: Chamber_Support_Resize.jpg
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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
|
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| Attachment 4: EFED9_alpha_spec_pulser.Spe
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$SPEC_ID:
No sample description was entered.
$SPEC_REM:
DET# 1
DETDESC# ERUDITE Easy-MCA-8k SN 13196238
AP# Maestro Version 7.01
$DATE_MEA:
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| Attachment 5: PHDI_alpha_spec_pulser.Spe
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$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:
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|
50
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Thu Aug 10 10:50:15 2023 |
Nikolay Sosnin | Al26 Chamber Cabling/Vacuum/NIM |
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| Attachment 1: Vacuum_Reading.JPG
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| Attachment 2: Pulser_Settings3.JPG
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| Attachment 3: Pulser_Settings2.JPG
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| Attachment 4: NIM_Bin.JPG
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| Attachment 5: Currents.JPG
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| Attachment 6: Amplifier_Settings.JPG
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| Attachment 7: HV_EDET.JPG
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| Attachment 8: HV_DEED.JPG
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| Attachment 9: Pulser_Settings1.JPG
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| Attachment 10: Cables_Full_View.JPG
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| Attachment 11: Preamp_Cables.JPG
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| Attachment 12: BNC_Converters.JPG
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| Attachment 13: DAQ_Cable_Connection_BNC.JPG
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| Attachment 14: Ribbon_Cables_DAQ.JPG
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| Attachment 15: Ribbon_Cables_DAQ.JPG
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| Attachment 16: NIM_Setup_Full.JPG
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| Attachment 17: Vacuum_Pump.JPG
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| Attachment 18: Vacuum_Pump_Exhaust.JPG
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| Attachment 19: Vacuum_Pump_Attachment.JPG
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| Attachment 20: Vacuum_Gauge.JPG
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| Attachment 21: Vacuum_Valve_Lid.JPG
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| Attachment 22: Ribbon_Cables_Back.JPG
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| Attachment 23: Ribbon_Cables.JPG
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42
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Thu Jul 27 11:25:35 2023 |
Claudia | Al-26 planning meeting summary |
- Start 9th August, access to EAR-2 11 am earliest but can start in rack area before
- Setup to be used: 1 dE (16 strips, 20 um thickness) + 1 E (16x16 strips, 150 um thickness. We have a spare for each thickness
- Sample and detectors to be mounted on the same flange
Things to check:
- alignment with beam centre (lasers and/or gafchromics foils)
- is the setup stable to knockes, can all detector / sample positions be well reproduced when making changes
Once setup us completed:
- checks with pulser
- mounf LiF sample number 3 and run with neutron beam
- check that all strips have signals
- confirm shape of gamma flash and that short times can be anaysed in both detectors (~1.8 us after flash)
If everything working:
- measure LiF-3 and the switch to Al-26
- towards end of the run we can also measure B-3 and the empty brass frame (Frame without mylar)
- proton statistics: 1E17 LiF-3, 1F17 B-3, ~3E17 Empty, 5.5 E18 Al-26
Travel times
Nick: 8-16, Annie 8-12, Tom, 7 -?, Claudia, 8-10, Emmanuel asap until end of run
Measurement runs until Octover 2nd. Disassembly by Nick and Emmanuel.
additional trips during the measurement as required (if something breaks/fails etc. )
Attached: photos of previous setup
TO Do: MCA availability at nTOF for quick noise checks (Nick)
how many channels in 14 bit, how many 12 bit (Nick)
depletion voltages for detectors (Tom)
Register the eqipment at CERN as Edinburgh property (Claudia)
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| Attachment 1: DSC00366.JPG
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| Attachment 2: DSC00346.JPG
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53
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Fri Aug 11 08:41:31 2023 |
Annie | Al target & chamber set up |
Phtotos of the front & back of the Al target and what it looked like once mounted and in the chamber. |
| Attachment 1: IMG_2860.JPG
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| Attachment 2: IMG_2862.JPG
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| Attachment 3: IMG_2867.JPG
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| Attachment 4: IMG_2868.JPG
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| Attachment 5: IMG_2874.JPG
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| Attachment 6: IMG_2875.JPG
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| Attachment 7: IMG_2877.JPG
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| Attachment 8: IMG_2879.JPG
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| Attachment 9: IMG_2880.JPG
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| Attachment 10: IMG_2882.JPG
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| Attachment 11: IMG_2884.JPG
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| Attachment 12: IMG_2896.JPG
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| Attachment 13: IMG_2897.JPG
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| Attachment 14: IMG_2903.JPG
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| Attachment 15: Al26_Target_Above.JPG
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