<html><head><meta http-equiv="Content-Type" content="text/html; charset=us-ascii"></head><body style="word-wrap: break-word; -webkit-nbsp-mode: space; line-break: after-white-space;" class="">Dear all,<div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>It was pointed out in the meeting that we wanted to use copper instead of iron, due to concerns about the magnet. Here's an updated draft that uses copper.</div><div class=""><br class=""></div><div class="">Answering your questions, Or:</div><div class=""><br class=""></div><div class="">1)<span class="Apple-tab-span" style="white-space:pre"> </span>C: 2.73 g/cm^2</div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Cu: 1.60 g/cm^2</div><div class=""><br class=""></div><div class="">I've added this to the write-up.</div><div class=""><br class=""></div><div class="">2) This point was raised in the meeting, and we discussed that this "inter-leaf" design is a risk if we can't separate adjacent foils. Nathaly is going to do a quick simulation study to see what we can expect. Here's an alternate design that still preserves acceptance but adds additional separation between the foils. I'll wait to implement in the write-up until Nathaly has some conclusions from the simulation study.</div><div class=""><br class=""></div><div class=""></div></body></html>