<p dir="ltr">hi hancong, </p>
<p dir="ltr">make a very thin but extreme dense material just outside the surface is should work. you can change the density in Gatematerial. db</p>
<p dir="ltr">Best, <br>
Beien Wang</p>
<div class="gmail_extra"><br><div class="gmail_quote">2017年7月26日 16:29,"韩匆" <<a href="mailto:hancong59@gmail.com">hancong59@gmail.com</a>>写道:<br type="attribution"><blockquote class="quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex"><div dir="ltr"><div class="gmail_default" style="font-family:georgia,serif;font-size:large"><div class="gmail_default">Dear all,</div><div class="gmail_default"><br></div><div class="gmail_default">Is it possible to create a 100% stopping surface for r rays in GATE, which acts the same as the edge of the "world"? If possible, then how? Many thanks.</div><div class="gmail_default"></div><div style="font-family:arial,sans-serif;font-size:14px"><br></div><div class="gmail_default">Cheers,</div></div><div><div class="m_-5215269209557711528gmail_signature"><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><div dir="ltr"><div><p><i><span style="font-family:georgia,serif"><font size="4"><span lang="EN-US">Hancong Xu</span></font></span></i></p><p><font size="2"><span><font face="Times New Roman"><i>Institution of Neuroscience and Medicine (INM4)</i></font></span></font><font face="Times New Roman"><i><font size="2"><br></font></i></font></p><p><font face="Times New Roman"><i><font size="2">Forschungzentrum Juelich, Germany</font><br></i></font></p></div></div></div></div></div></div></div></div></div></div></div></div></div></div>
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