Well, <br><br>I'm not a ''king'' in positron range questions, but isn't 0.2 mm about the MEDIUM range and 0.43 mm about the MAX range in water for the 18-F positron ?<br><br>Best regards,<br><br>Samuel Burg<br><br><b><i>JinSu Kim <patentjs@snu.ac.kr></i></b> a écrit :<blockquote class="replbq" style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; padding-left: 5px;"> <meta http-equiv="Content-Type" content="text/html; charset=us-ascii"> <meta name="Generator" content="Microsoft Word 11 (filtered medium)"> <style> <!-- /* Font Definitions */ @font-face {font-family:Batang; panose-1:2 3 6 0 0 1 1 1 1 1;} @font-face {font-family:Gulim; panose-1:2 11 6 0 0 1 1 1 1 1;} @font-face {font-family:"Comic Sans MS"; panose-1:3 15 7 2 3 3 2 2 2 4;} @font-face {font-family:Gulim; panose-1:2 11 6 0 0 1 1 1 1 1;} @font-face {font-family:Batang; panose-1:2 3 6 0 0 1 1 1 1 1;} /* Style Definitions */ p.MsoNormal, li.MsoNormal, div.MsoNormal
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font-family: Gulim;" lang="EN-US">Dear Gate users<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US"><o:p> </o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US">1<sup>st</sup> question is ..<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US">During gate simulation, I found following error message<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US">Is it negligible?<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;"
lang="EN-US">[GateTrajectoryNavigator::FindAnnihilationGammasTrackID] WARNING : positron found and photonID vector size: 1<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US"><o:p> </o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US">2<sup>nd</sup> question is about the Positron range of F-18<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US">In the literature, positron range of F-18 was 0.2 mm at water<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US">However, I found that the positron range of F-18 was 0.43 mm at water in GATE
simulation.<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US">What is the difference of that?<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US"><o:p> </o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US">Best regards<o:p></o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US"><o:p> </o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size: 10pt; font-family: Gulim;" lang="EN-US"><o:p> </o:p></span></font></div> <div class="MsoNormal"><font face="굴림" size="2"><span style="font-size:
10pt; font-family: Gulim;" lang="EN-US"><o:p> </o:p></span></font></div> <div> <div class="MsoNormal"><font color="navy" face="Comic Sans MS" size="2"><span style="font-size: 10pt; font-family: "Comic Sans MS"; color: navy;" lang="EN-US"> </span></font><font face="굴림"><span style="font-family: Gulim;" lang="PT-BR"><o:p></o:p></span></font></div> </div> <div class="MsoNormal"><font face="바탕" size="2"><span style="font-size: 10pt;" lang="PT-BR"><o:p> </o:p></span></font></div> </div> _______________________________________________<br>Gate-users mailing list<br>Gate-users@lists.healthgrid.org<br>http://lists.healthgrid.org/mailman/listinfo/gate-users<br></blockquote><br><p> 
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