<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN"> <HTML><HEAD> <META http-equiv=Content-Type content="text/html; charset=us-ascii"> <META content="MSHTML 6.00.2900.2995" name=GENERATOR></HEAD> <BODY> <DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN class=596314015-07122006>hi,</SPAN></FONT></DIV> <DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN class=596314015-07122006></SPAN></FONT> </DIV> <DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN class=596314015-07122006>is it possible to restrict the solid angle within which optical photons are emitted after a gamma interaction in a scintillator? Thanks.</SPAN></FONT></DIV> <DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN class=596314015-07122006></SPAN></FONT> </DIV> <DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN class=596314015-07122006></SPAN></FONT> </DIV> <DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN class=596314015-07122006>Sadek</SPAN></FONT></DIV> <P><pre wrap> ===================================================================== Please note that this e-mail and any files transmitted with it may be privileged, confidential, and protected from disclosure under applicable law. If the reader of this message is not the intended recipient, or an employee or agent responsible for delivering this message to the intended recipient, you are hereby notified that any reading, dissemination, distribution, copying, or other use of this communication or any of its attachments is strictly prohibited. If you have received this communication in error, please notify the sender immediately by replying to this message and deleting this message, any attachments, and all copies and backups from your computer. </pre></P></BODY></HTML>