<div dir="ltr"><div class="gmail_default" style="font-family:comic sans ms,sans-serif;font-size:small">Hi all,<br><br><pre dir="ltr" class="" id="tw-target-text" style="text-align:left;height:48px"><font size="4"><span style="font-family:tahoma,sans-serif">Thank you so much for all your responses , has been very useful ;)</span></font></pre></div><div class="gmail_extra"><br><div class="gmail_quote">2015-03-19 19:20 GMT+01:00 Bryan McIntosh <span dir="ltr"><<a href="mailto:mcintoshster@gmail.com" target="_blank">mcintoshster@gmail.com</a>></span>:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div>Hi Lorena,</div><div><br></div><div>Uwe is absolutely correct; that's the same technique that I used in my M.Sc work to characterize LSO background radiation in PET scanners. The exact code that I used in GATE 5.x is listed in my thesis (available from <a href="https://mspace.lib.umanitoba.ca/handle/1993/4461" target="_blank">https://mspace.lib.umanitoba.ca/handle/1993/4461</a>) in the appendix. It should still work in GATE 7.x, just make sure that the volume and activity that you choose are appropriate for your scanner.</div><div><br></div><div>Keep in mind that this uses an ion source simulation, which can be very slow. Multithreading this simulation will be a very good idea!</div><div><br></div><div>Good luck!</div><div><br></div><div>-Bryan</div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;padding-left:1ex;border-left-color:rgb(204,204,204);border-left-width:1px;border-left-style:solid">Message: 5<span class=""><br>
Date: Thu, 19 Mar 2015 15:11:52 +0000<br></span>
From: "Pietrzyk, Uwe" <<a href="mailto:u.pietrzyk@fz-juelich.de" target="_blank">u.pietrzyk@fz-juelich.de</a>><br>
To: LORENA VAZQUEZ CANELAS <<a href="mailto:lorena.vazquez@usal.es" target="_blank">lorena.vazquez@usal.es</a>><br>
Cc: gate-users <<a href="mailto:gate-users@lists.opengatecollaboration.org" target="_blank">gate-users@lists.opengatecollaboration.org</a>><span class=""><br>
Subject: Re: [Gate-users] INTRINSIC RADIATION-LUTETIUM<br></span>
Message-ID: <<a href="mailto:3EFFEC01-BEEC-44B8-8D3D-F79E1EF97599@fz-juelich.de" target="_blank">3EFFEC01-BEEC-44B8-8D3D-F79E1EF97599@fz-juelich.de</a>><br>
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<br>
<br>
Hi Lorena,<br>
<br>
yes, you can indeed use GATE to simulate the Lu-176 Background<br>
in LSO crystals. You have to place the Lu-176 defined as ion source<br>
in a volume that covers the crystals and then confine the source<br>
to the crystal volume.<br>
<br>
Hope this helps!<br>
<br>
Kind regards,<br>
<br>
Uwe Pietrzyk<br>
/----------------------------------------------------------------------<br>
Prof. Dr. Uwe Pietrzyk<br>
Diplom-Physiker<br></span>
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<br>
On 19 Mar 2015, at 15:35, LORENA VAZQUEZ CANELAS <<a href="mailto:lorena.vazquez@usal.es" target="_blank">lorena.vazquez@usal.es</a><mailto:<a href="mailto:lorena.vazquez@usal.es" target="_blank">lorena.vazquez@usal.es</a>>> wrote:<br>
<br>
Dear Gaters!<br>
<br></span>
I'm doing simulations with a PET made ??with LSO crystals.<span class=""><br>
My question is if there is any way, using GATE, to simulate the intrinsic radiation lutetium ?<br>
Perhaps with a source of Lu or something else?<br>
<br>
Thanks you all,<br>
<br>
Lorena<br>
<br>
<br>
--<br>
<br></span>
LORENA V?ZQUEZ CANELAS<br>
--<br>
LRI - Dataci?n (Despacho T?cnicos)<span class=""><br>
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</span></blockquote></div><br></div></div>
</blockquote></div><br><br clear="all"><br>-- <br><div class="gmail_signature"><div dir="ltr"><div class="gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><pre>LORENA VÁZQUEZ CANELAS<br><span>PhD student<br></span>LRI - Datación (Despacho Técnicos)<br>Calle Espejo, s/n, 37008 - Salamanca (Spain)<br>TEL: +34 923 294930 ext:4932 email: <a href="mailto:lorena.vazquez@usal.es" target="_blank">lorena.vazquez@usal.es</a><br>web: <a href="http://campus.usal.es/%7Elri/" target="_blank">http://campus.usal.es/~lri/</a></pre></div></div></div></div></div></div></div></div></div></div></div></div>
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