<html><body><div style="color:#000; background-color:#fff; font-family:HelveticaNeue, Helvetica Neue, Helvetica, Arial, Lucida Grande, sans-serif;font-size:18px"><div class="" id="yui_3_16_0_1_1440163747711_2571"><span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2572"><font id="yui_3_16_0_1_1440163747711_2754" face="times new roman, new york, times, serif">Dear all,<o:p class=""></o:p></font></span></div><div class="" id="yui_3_16_0_1_1440163747711_2569"><font face="times new roman, new york, times, serif"><span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2570">In </span>arbitrary
point-wise spectrum "Arb" comment for definition of an x-ray spectrum
using GATE, the first column is Energy (MeV) and the second one, if we use the number
of photons in each energy is for example:<o:p class=""></o:p></font></div><div class="" id="yui_3_16_0_1_1440163747711_2569"><font face="times new roman, new york, times, serif"><br></font></div><div class="" id="yui_3_16_0_1_1440163747711_2553"><font face="times new roman, new york, times, serif" id="yui_3_16_0_1_1440163747711_2796"><span style="font-size: 10pt; line-height: 115%; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2568">/gate/source/xraygun/gps/histpoint
0.1 50</span><span style="font-size: 10pt; line-height: 115%;" class="" id="yui_3_16_0_1_1440163747711_2552"><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2567">/gate/source/xraygun/gps/histpoint 0.2 60</span><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2566">/gate/source/xraygun/gps/histpoint 0.3 70</span><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2565">/gate/source/xraygun/gps/histpoint 0.4 80</span><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2564">/gate/source/xraygun/gps/histpoint 0.5 90</span><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2551">/gate/source/xraygun/gps/histpoint 0.6 100</span><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2554">/gate/source/xraygun/gps/histpoint 0.7 90</span><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2555">/gate/source/xraygun/gps/histpoint 0.8 80</span><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2556">/gate/source/xraygun/gps/histpoint 0.9 70</span><br class="">
<span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2557">/gate/source/xraygun/gps/histpoint 1.0 60<o:p class=""></o:p></span></span></font></div><div class="" id="yui_3_16_0_1_1440163747711_2553"><font face="times new roman, new york, times, serif"><span style="font-size: 10pt; line-height: 115%;" class=""><span style="background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class=""><br></span></span></font></div><div class="" id="yui_3_16_0_1_1440163747711_2558"><font face="times new roman, new york, times, serif" id="yui_3_16_0_1_1440163747711_2795">As you can see the total number of photons in the spectrum
is equal 850. So please guide me if I need to set activity in the following
comment as 850 Bq? And what about time slice?<o:p class=""></o:p></font></div><div class="" id="yui_3_16_0_1_1440163747711_2558"><font face="times new roman, new york, times, serif"><br></font></div><div class="" style="margin-bottom:0in;margin-bottom:.0001pt" id="yui_3_16_0_1_1440163747711_2560"><font id="yui_3_16_0_1_1440163747711_2761" face="times new roman, new york, times, serif"><span style="font-size: 10pt; line-height: 115%; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2559">/gate/source/x-raygun/setActivity </span><span style="font-size: 10pt; line-height: 115%; background: yellow;" class="" id="yui_3_16_0_1_1440163747711_2790">850 Becquerel</span><span style="font-size: 10pt; line-height: 115%; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class=""><o:p class=""></o:p></span></font></div><div class="" id="yui_3_16_0_1_1440163747711_2561"><span style="font-size: 10pt; line-height: 115%; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class="" id="yui_3_16_0_1_1440163747711_2562"><font id="yui_3_16_0_1_1440163747711_2757" face="times new roman, new york, times, serif">/gate/application/setTimeSlice
1. S<o:p class=""></o:p></font></span></div><div class="" id="yui_3_16_0_1_1440163747711_2561"><span style="font-size: 10pt; line-height: 115%; background-image: initial; background-attachment: initial; background-size: initial; background-origin: initial; background-clip: initial; background-position: initial; background-repeat: initial;" class=""><font face="times new roman, new york, times, serif"><br></font></span></div><div class="" id="yui_3_16_0_1_1440163747711_2563"><font id="yui_3_16_0_1_1440163747711_2758" face="times new roman, new york, times, serif">If I use the normalized value for the second column, what can
I set activity? I have just 850 photons not more! Thank you.<o:p class=""></o:p></font></div><div class="" id="yui_3_16_0_1_1440163747711_2563"><font face="times new roman, new york, times, serif"><br></font></div><div class="" id="yui_3_16_0_1_1440163747711_2759"><font face="times new roman, new york, times, serif" id="yui_3_16_0_1_1440163747711_2807">Best Regards,<o:p class=""></o:p></font></div><div id="yui_3_16_0_1_1440163747711_2477">
</div><div class="" dir="ltr" id="yui_3_16_0_1_1440163747711_2574"><font id="yui_3_16_0_1_1440163747711_2756" face="times new roman, new york, times, serif">Masoud</font><o:p class=""></o:p></div></div></body></html>