<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 3.2//EN"> <HTML> <HEAD> <META HTTP-EQUIV="Content-Type" CONTENT="text/html; charset=us-ascii"> <META NAME="Generator" CONTENT="MS Exchange Server version 08.00.0681.000"> <TITLE>Problem in the number of the emited positrons by F18 point source</TITLE> </HEAD> <BODY>  <P DIR=LTR><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">D</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">ea</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">r all</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> Gate expert</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">s</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> and</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> users</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">,</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">Le</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">t</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">’</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">s first</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">identify</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> the</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">problem</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">,</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">I need</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">to count the total number of</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">the</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> emitted</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">e+</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">by F18 source</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">. For that</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">I</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> have simulated</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">F18</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> point</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> source</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> placed in the center of water cylinder</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">.</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">T</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">he information about the number</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">of emitted events</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> is</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">ob</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">t</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">ained</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> by using Gate</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">in Tracker Mode</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">.</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">But the number of total emitted was not as specified by the comm</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">a</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">nd</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">: </FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">/gate/source/Source/setActivity</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">1</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">0 becquerel .</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">As an example, for 10</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">becquerel</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> I obtain</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">ed</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">12 e+, 17</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">e+</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">, 6e+, 15</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">e+ when I repeat</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">ed</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">execut</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">ion of</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"> the same simulation</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">4 times always</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">with 10</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">becquerel</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">.</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"></SPAN></P> <P DIR=LTR><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"></SPAN></P> <P DIR=LTR><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">And, if there is another way to track particles in the phantom</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"> <FONT FACE="Calibri">I'll be</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"> <FONT FACE="Calibri">Thankfu</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"><FONT FACE="Calibri">l</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"><FONT FACE="Calibri">.</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"><FONT FACE="Calibri">Here</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"><FONT FACE="Calibri"> is my macro for the source</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"><FONT FACE="Calibri">:</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"><FONT FACE="Calibri"></FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en"> </SPAN></P> <P DIR=LTR><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri"># SOURCE 1 #</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/addSource fluor18</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/setActivity 1</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">0</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">. becquerel</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/gps/particle ion</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/gps/ion 9 18 0 0 </FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/setForcedUnstableFlag true</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/useDefaultHalfLife</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/gps/energytype Mono</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/gps/monoenergy 0 MeV</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/gps/angtype iso</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/gps/number 1</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/gps/centre 0. 0. 0. cm</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">/gate/source/fluor18/gps/type Point</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Thank you in</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"> <FONT FACE="Calibri">advance</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"><FONT FACE="Calibri">.</FONT></SPAN></P> <P DIR=LTR><SPAN LANG="en-us"><FONT FACE="Calibri">Mahdjoub</FONT></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="fr"></SPAN><SPAN LANG="en-us"></SPAN></P> </BODY> </HTML>