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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Dear
</span>Mrs Poráková,<span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">In the latest GATE version (8.1), the calibration in MU has been made more generic and you can either provide a plan in number of particles per spot or insert
your own calibration curve in number of particles per MU – see <a href="http://wiki.opengatecollaboration.org/index.php/Users_Guide:Source#TPS_Pencil_Beam_source">
documentation</a>. I strongly encourage you to migrate to this Gate version or to the
<a href="http://www.opengatecollaboration.org/GateRTion">GATE-RTion</a> release.<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Best,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Loïc<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
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<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> Gate-users [mailto:gate-users-bounces@lists.opengatecollaboration.org]
<b>On Behalf Of </b>Uwe.Pietrzyk<br>
<b>Sent:</b> Thursday, September 27, 2018 9:11 AM<br>
<b>To:</b> Kateřina Poráková <porakovak@seznam.cz><br>
<b>Cc:</b> gate-users <gate-users@lists.opengatecollaboration.org><br>
<b>Subject:</b> Re: [Gate-users] Converting MU to number of particles<o:p></o:p></span></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Dear Mrs Poráková,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I am forwarding your eMail to the gate-users-list, since I am not<o:p></o:p></p>
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<p class="MsoNormal">an expert in this matter concerning radiation therapy, but I am<o:p></o:p></p>
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<p class="MsoNormal">sure you will receive an answer from expert users of the GATE<o:p></o:p></p>
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<p class="MsoNormal">community.<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Kind regards and best wishes,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">U. Pietrzyk<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black">---------------------------------------<o:p></o:p></span></p>
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<p class="MsoNormal"><span style="font-size:9.0pt;font-family:"Helvetica",sans-serif;color:black">Prof. Dr. Uwe Pietrzyk<br>
Diplom-Physiker<br>
Am Anger 18<br>
50374 Erftstadt<br>
Tel: +49-2235-922038<br>
Fax: +49-2235-922039<br>
Mobil: +49-172-213-2155<br>
eMail: <a href="mailto:Uwe.Pietrzyk@web.de">Uwe.Pietrzyk@web.de</a><o:p></o:p></span></p>
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<p class="MsoNormal">On 26. Sep 2018, at 19:25, Kateřina Poráková <<a href="mailto:porakovak@seznam.cz">porakovak@seznam.cz</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal">Dear Mr. Pietrzyk,<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">I would like to ask something about GATE. I am working on my Research task/master thesis and I am using GATE for simulation of radioterapeutic plans. I would like to know, how is number of monitor units (MU) converted to number particles
according to stopping power in air. So if you can explain how does the GATE calculate this number. In Gate Users Guide I only found this: "<span style="font-size:13.0pt;font-family:"Times",serif">In the "plan description file", each single spot is characterized
by its position at treatment isocenter and also by its weight (intensity). By default, the weight corresponds to the number of Monitor Units (MU) delivered and is converted into a number of particles according to the proton stopping power in air."</span><o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Thanks in advance,<o:p></o:p></p>
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<p class="MsoNormal">Kateřina Poráková<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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