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<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">Dear
gate users, </font></font></font>
</p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%"><span style="font-size:12pt;font-family:"Times New Roman",serif;color:rgb(0,0,0)">I'm
using a PETscanner system in order to study the TOF of the Cherenkov
Photons coincidences.</span></p>
<p align="justify" style="margin-bottom:0in;font-style:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt"><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">I
</span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">use
my </span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">same
</span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">macro
that works with acceptable results for the TOF </span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">with</span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">
15 000 </span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">primary
events </span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">but
now with </span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">100
000 primary events. </span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">My
simulation at some point stops and I can not understand why….</span></span></span></font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-style:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt"><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">I'm
</span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">also
</span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">using
the </span></span></span><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">SimulationStatisticActor….</span></span></span></font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-style:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt"><span style="font-variant:normal"><span style="letter-spacing:normal"><span style="font-weight:normal">So,
I can say that: </span></span></span></font></font></font>
</p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">With
the seed 1 my simulation stop at 19635 primary events. (20 min)</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">With
the seed 2 my simulation stop at 26130 primary events. (30 min)</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">With
the seed 3 my simulation stop at 27630 primary events. (40 min)</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">The
most strange thing is that in the .root output for the 3 cases with
different seed I get for each one, the same amount of Singles and
Coincidences (14 000 Singles and 2 000 Coincidences) ….</font></font></font></p><p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%"><span style="font-size:12pt;font-family:"Times New Roman",serif;color:rgb(0,0,0)">I
was expecting different results using different seeds….</span></p><p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">I
also tried to increase the default value of the Buffer (which is 512)
....</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000">
<font face="Times New Roman, serif"><font size="3" style="font-size:12pt">/gate/digitizer/Coincidences/setPresortBufferSize
1024</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">Again:</font></font></font></p><p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%"><font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">With the seed in 1 my simulation stopped, now at 28249 primary events.
(50 min)</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">I
also get the same amount of Singles and Coincidences in the .root
output ….</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%"><font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt"><br></font></font></font></p><p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:100%">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">I
do not know what else to try here….</font></font></font></p><p align="justify" style="margin-bottom:0in;font-variant-numeric:normal;font-variant-east-asian:normal;line-height:100%"><font color="#000000"><font face="Times New Roman, serif"><font><span style="font-size:16px">I need to be able to simulate with more statistics in order to compare with the experimental results....</span></font></font></font></p><p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:0.13in">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">Any
help I would appreciate….</font></font></font></p><p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:0.13in"><font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt"><br></font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:0.13in">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">Best
regards,</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:0.13in">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt">Dania
Consuegra Rodríguez</font></font></font></p>
<p align="justify" style="margin-bottom:0in;font-variant:normal;letter-spacing:normal;font-style:normal;font-weight:normal;line-height:0.13in">
<font color="#000000"><font face="Times New Roman, serif"><font size="3" style="font-size:12pt"><font face="Times New Roman, serif">Phd
student </font><em><font face="Times New Roman, serif"><span style="font-style:normal"><b>Jožef
Stefan Institute</b></span></font></em></font></font></font></p>

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