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@MISC{UlrichPur:353550,
author = {Ulrich-Pur, Felix and Bergauer, Thomas and Galatyuk,
Tetyana and Hirtl, Albert and Kausel, Matthias and Kis,
Mladen and Kozymka, Yevhen and Krüger, Wilhelm and Linev,
Sergey and Michel, Jan and Pietraszko, Jerzy and Rost,
Adrian and Schmidt, Christian Joachim and Träger, Michael
and Traxler, Michael},
othercontributors = {Kedych, Vadym},
title = {{D}ata for: {F}irst experimental time-of-flight-based
proton radiography using low gain avalanche diodes},
volume = {v1},
reportid = {GSI-2024-00933},
year = {2024},
abstract = {Data for: First experimental time-of-flight-based proton
radiography using low gain avalanche diodesThe associated
publication can be found on
https://iopscience.iop.org/article/10.1088/1361-6560/ad3326.All
graphs inside the publication can be recreated with this
dataset. Similar to the publication, the data for the
timewalk and offset correction are only given for one sensor
and one channel as they only serve a representative purpose.
The raw data for all other channels can be shared upon
request. Furthermore, as in the publication, the data for
the water-equivalent-thickness (WET) calibration and proton
radiography (pRAD) creation are given by the median and the
interquartile range of the measured quantities of the
individual graphs. Those data are also calibrated. If
required, the raw, unprocessed data of each measurement can
be shared upon request.In the following, a description of
the individual files and corresponding figures in the
publication is given. If not specified otherwise, the
physical units are given in brackets next to the name of the
corresponding physical quantity (usually first line in
file): Figure 6: RawToTspectrumrescaledLGAD3.txt: Describes
the re-scaled time-over-threshold (ToT) spectrum measured
inside the third LGAD of the time-of-flight-based ion
computed tomography (TOF-iCT) demonstrator using 800 MeV
protons (Figure 6a). The first column gives the channel
number on the LGAD (channelnr[#]), the second column, the
ToT value measured in this channel (ToT[ps]) and the third
channel, the corresponding occurrence (counts[#]).
ToTspectrumrescaledLocMaxLGAD3.txt Describes the re-scaled
ToT spectrum measured inside the third LGAD of the TOF-iCT
demonstrator using only the local ToT maxima inside each
4D-cluster. The spectrum was obtained using 800 MeV protons
(Figure 6b). The first column gives the channel number on
the LGAD (channelnr[#]), the second column, the ToT value
measured in this channel (ToT[ps]) and the third channel,
the corresponding occurrence (counts[#]). Figure 7:
offsetpraecalib.txt: Describes the raw, uncalibrated time
difference spectrum in LGAD3 measured between all channels
on LGAD3 and a central reference channel on LGAD4 (figure
7a). The first column represents the detector channel nr in
LGAD3, the second column the raw, uncalibrated time
difference between LGAD3 and LGAD4 (TDiff[ns]) and the third
column the number of corresponding counts (counts[#]).
offsetpraecalib.txt: Describes the time walk and
offset-calibrated time difference spectrum in LGAD3 measured
between all channels on LGAD3 and a central reference
channel on LGAD4 (figure 7b). The first column represents
the detector channel nr in LGAD3, the second column the
calibrated time difference between LGAD3 and LGAD4
(TDiff[ns]) and the third column the number of corresponding
counts (counts[#]). praetwdata.txt: Describes the ToT
dependence of the measured time difference between LGAD1 and
LGAD2 using the raw ToT of channel 31 in LGAD1 (figure 7c).
The first column represents the raw, unscaled and
uncalibrated ToT in LGAD 1 (ToT[ns]), the second column the
measured time difference (TDiff[ns]) and the last column,
the number of corresponding counts (counts[#]). A ToT cut on
the reference channel on LGAD2 has been applied in advance
to guarantee a correlation between only true particle hits
in the second sensor. posttwdata.txt Describes the time
walk-calibrated ToT vs TDiff spectrum using the measured
time difference between LGAD1 and LGAD2 and the ToT of
channel 31 in LGAD1 (figure 7d). The first column represents
the ToT in LGAD 1 (ToT[ns]), the second column the measured
time difference (TDiff[ns]) and the last column the number
of corresponding counts (counts[#]). A ToT cut on the
reference channel on LGAD2 has been applied in advance to
guarantee a correlation between only true particle hits in
the second sensor. Figure 8: tofinaridata.txt: Describes the
measured TOF in air through the scanner w.r.t the TOF
measured at 800MeV, i.e. the median TOF value at 800MeV was
subtracted from all data points (Figure 8a). The first
column describes the beam energy (beamenergy[MeV]), the
second column the first quartile of the measured TOF per
pixel (TOFperpixelQ1[ps]), the second column the median TOF
per pixel (TOFperpixelQ2[ps]) and the last column the third
quartile of the measured TOF per pixel (TOFperpixelQ3[ps]).
tofinairtheodata.txt: Describes the theoretical TOF in air
through the scanner w.r.t the theoretical TOF at 800MeV,
i.e. the theoretical TOF value at 800MeV was subtracted from
all data points (Figure 8a). intrinsictimeresolution.txt:
Describes the energy dependence of the intrinsic time
resolution per channel measured inside LGAD1 (figure 8b).
The first column represents the primary beam energy
(beamenergy[MeV), the second column the corresponding energy
loss in MIPs (relativeenergylossi[MIP]), the third column
the first quartile of the intrinsic time resolution per LGAD
channel (timeresperpixelQ1[ps]), the fourth column the
median of the intrinsic time resolution per LGAD channel and
the last column the third quartile of the intrinsic time
resolution per LGAD channel
(timeresperpixelmedian[ps],timeresperpixelQ3[ps]). Figure 9:
wetcalib.txt Describes the measured TOF increase per pixel
w.r.t to the TOF in air (i.e. without a phantom) for a given
WET and primary beam energy. The first column represents the
WET of the irradiated sample (WET[mm]), the second column
the used beam energy (beamenergy[MeV]), the third column the
first quartile of the measured TOF distribution
(TOFperpixelQ1[ps]), the fourth column the median
(TOFperpixelQ2[ps]) and the sixth column the third quartile
(TOFperpixelQ3[ps]). For each energy, a fifth-order
polynomial was used to fit the WET and the TOF increase
(Delta $TOF(E)~sum_i$ $a_i*(WET_i$ $)^i,$ with i in [0,5] ).
The fit parameters are given in the following for each beam
energy: 83 MeV: $a_i=[-4.70496227e-02,4.64323118e-01,$
-2.71391535e-02,4.23655842e-03,
-1.13034255e-04,1.23725678e-06] 100.4 MeV:
$a_i=[-3.28976022e-02,-3.68818468e-02,1.96339858e-02,7.31585040e-04,$
-4.38697681e-05 ,7.52163384e-07] Figure 10:
wetsperpixel83MeV.txt Describes the proton radiography (pCR)
for 83 MeV (Figure 10a). The first column represents the x
position of the pixel (x[mm]), the second column the y
position of the pixel (y[mm]) and the last column the
corresponding WET (WET[mm]). wetsperpixel83MeV.txt Describes
the proton radiography (pCR) for 100.4 MeV (Figure 10b). The
first column represents the x position of the pixel (x[mm]),
the second column the y position of the pixel (y[mm]) and
the last column the corresponding WET (WET[mm]). Figure 11:
wetdistrdata83MeV.txt Describes the measured TOF per pixel
inside the ROI for 83 MeV protons (Figure 11a). The first
column represents the lower boundary of each WET bin
(WETlowerbinboundary[mm]), the second column the upper
boundary of each WET bin (WETupperbinboundary[mm) and the
last column the corresponding counts per bin (counts[#]).
wetdistrdata100MeV.txt Describes the measured TOF per pixel
inside the ROI for 100.4 MeV protons (Figure 11b). The first
column represents the lower boundary of each WET bin
(WETlowerbinboundary[mm]), the second column the upper
boundary of each WET bin (WETupperbinboundary[mm) and the
last column the corresponding counts per bin (counts[#]).},
cin = {DTL},
cid = {I:(DE-Ds200)DTL-20051214OR031},
pnm = {612 - Cosmic Matter in the Laboratory (POF4-612)},
pid = {G:(DE-HGF)POF4-612},
experiment = {$EXP:(DE-Ds200)External_experiment-20200803$},
typ = {PUB:(DE-HGF)32},
doi = {10.5281/ZENODO.10679986},
url = {https://repository.gsi.de/record/353550},
}