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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt">Dear
Gate user</font></font></font></p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt">The
standard <b>LSO</b> –<b> PET </b>that I always simulated in order
to compare with my <b>Cherenkov</b> – <b>PET </b>takes into account
<span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">just
</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">the
</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><b><span style="background:transparent">511
keV</span></b></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">
absorption in the </span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><b><span style="background:transparent">LSO</span></b></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">
</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">crystal.
</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">Is
the standard </span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><b><span style="background:transparent">LSO</span></b></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">
–</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><b><span style="background:transparent">
PET </span></b></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">using
GATE</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">….</span></span></font></font></font></p>
<p align="justify" style="margin-bottom:0in;line-height:100%"><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent"><br></span></span></font></font></font></p><p align="justify" style="margin-bottom:0in;line-height:100%">
<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/insert
adder</span></span></font></font></font></p>
<p align="justify" style="margin-bottom:0in;line-height:100%">
<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/insert
readout</span></span></font></font></font></p>
<p align="justify" style="margin-bottom:0in;line-height:100%">
<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/readout/setDepth
4</span></span></font></font></font></p><p align="justify" style="margin-bottom:0in;line-height:100%"><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent"><br></span></span></font></font></font></p>
<p align="justify" style="margin-bottom:0in;line-height:100%">
<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/insert
blurring</span></span></font></font></font></p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/blurring/setResolution
0.26</span></span></font></font></font></p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/blurring/setEnergyOfReference
511. keV</span></span></font></font></font></p>
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<br>
</p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/insert
thresholder</span></span></font></font></font></p>
<p align="justify" style="margin-bottom:0in;line-height:100%">
<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/thresholder/setThreshold
350. keV</span></span></font></font></font></p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/insert
upholder</span></span></font></font></font></p>
<p align="justify" style="margin-bottom:0in;line-height:100%">
<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">/gate/digitizer/Singles/upholder/setUphold
650. keV</span></span></font></font></font></p><p align="justify" style="margin-bottom:0in;line-height:100%"><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent"><br></span></span></font></font></font></p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt">In
order to make some tests I also added to my <b>LSO</b>
–<b> PET </b>the
physics for the <i>“</i><i>o</i><i>ptical
photons” </i>processes.
Using realistic
values of the
<i>SCINTILLATIONYIELD</i>
and the <i>FASTTIMECONSTANT
</i>the simulation takes
more than 6 hours just
running for
<b>1000 primary events</b>….</font></font></font></p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt">Previously
I was able to run 8 E8 in less than a day using 4 cores. ...</font></font></font></p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt">/gate/digitizer/Singles/insert
opticaladder</font></font></font></p>
<p align="justify" style="margin-bottom:0in;line-height:100%">
<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt">/gate/digitizer/Singles/insert
readout</font></font></font></p>
<p align="justify" style="margin-bottom:0in;line-height:100%">
<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt">/gate/digitizer/Singles/readout/setDepth
4</font></font></font></p>
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<br>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt">Someone
had tried to do this before with reasonable results in reasonable
time of <span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">GATE
</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">simulation
</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">?</span></span></font></font></font></p>
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<font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">Also
i</span></span>s not clear to me if when the <i>“</i><i>o</i><i>ptical
photons” </i>processes are added (<i><b>Scintillation</b></i>),
(<b>Cherenkov</b><b>)</b><b> </b>or a combination,<b> </b><b>GATE</b><i>
</i>takes the timing for the first <i>“optical photons”</i><i> </i>in
the digitizer or does some average involving the time of all the
<i>“optical photons”</i> generated per <span style="font-variant-numeric:normal;font-variant-east-asian:normal"><b><span style="background:transparent">511
keV </span></b></span>gamma incident….</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-style:normal;font-weight:normal;line-height:100%">
</p><p align="justify" style="margin-bottom:0in;line-height:100%"><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="display:inline-block;border:none;padding:0in"><span style="font-variant-numeric:normal;font-variant-east-asian:normal">I also would like to know if it is possible to set TOF information during
GATE simulation itself as I do for the </span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">standard
</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><b><span style="background:transparent">LSO</span></b></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><span style="background:transparent">
–</span></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><b><span style="background:transparent">
PET</span></b></span><span style="font-variant-numeric:normal;font-variant-east-asian:normal">,
for example with the "Energy of Reference" ....</span></span></font></font></font></p><p align="justify" style="margin-bottom:0in;line-height:100%"><font color="#000000"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="display:inline-block;border:none;padding:0in"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><br></span></span></font></font></font></p>
<p style="margin-top:0.08in;margin-bottom:0in;line-height:100%"><span style="display:inline-block;border:none;padding:0in"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><font color="#000000">Any
help, I would appreciate it ….</font></span></font></font></span></p>
<p style="margin-top:0.08in;margin-bottom:0in;line-height:100%"><br>
</p>
<p style="margin-top:0.08in;margin-bottom:0in;font-variant-numeric:normal;font-variant-east-asian:normal;line-height:100%">
<span style="display:inline-block;border:none;padding:0in"><font face="Liberation Serif, serif"><font style="font-size:11pt"><font color="#000000">Kind
regards,</font></font></font></span></p>
<p style="margin-top:0.08in;margin-bottom:0in;font-variant-numeric:normal;font-variant-east-asian:normal;line-height:100%">
<span style="display:inline-block;border:none;padding:0in"><font face="Liberation Serif, serif"><font style="font-size:11pt"><font color="#000000">Dania
Consuegra Rodríguez</font></font></font></span></p>
<p style="margin-top:0.08in;margin-bottom:0in;line-height:100%"><span style="display:inline-block;border:none;padding:0in"><font face="Liberation Serif, serif"><font style="font-size:11pt"><span style="font-variant-numeric:normal;font-variant-east-asian:normal"><font color="#000000">Phd
student Jožef Stefan Institute</font></span></font></font></span></p>
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</p></div>