<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="">Hello Everyone,<div class=""><br class=""></div><div class="">Before out meeting tomorrow I just wanted send out some more quantitative info on luminosities and polarization.</div><div class=""><br class=""></div><div class="">The latter is very straightforward. In the EIC the number of snakes has been increased so that the 70% polarization at injection can be maintained regardless of energy (or ion species - it is the same for He-3 as for the proton)</div><div class=""><br class=""></div><div class="">For luminosity, we have the following</div><div class=""><br class=""></div><div class="">18x275<span class="Apple-tab-span" style="white-space:pre"> </span>1.54e33</div><div class="">10x275<span class="Apple-tab-span" style="white-space:pre"> </span>10.0e33</div><div class="">5x275<span class="Apple-tab-span" style="white-space:pre"> </span>8.2e33</div><div class="">10x100<span class="Apple-tab-span" style="white-space:pre"> </span>4.48e33</div><div class="">5x100<span class="Apple-tab-span" style="white-space:pre"> </span>3.68e33</div><div class="">5x41<span class="Apple-tab-span" style="white-space:pre"> </span>0.44e33</div><div class=""><br class=""></div><div class="">There is also a low-luminosity large beta*, but this is meant for IR6 without a second focus. In IR8 the hope it to use the two doublets to reduce beta* at low energy to improve the 5x41 luminosity by a factor of 2-3, putting it closer to 18x275, but still remaining at the bottom of the list.</div><div class=""><br class=""></div><div class="">Cheers,</div><div class=""><br class=""></div><div class=""><span class="Apple-tab-span" style="white-space:pre"> </span>Pawel</div><div class=""><br class=""><div><br class=""><blockquote type="cite" class=""><div class="">On Oct 5, 2021, at 1:53 PM, Hyde, Charles E. <<a href="mailto:chyde@odu.edu" class="">chyde@odu.edu</a>> wrote:</div><br class="Apple-interchange-newline"><div class=""><div class="WordSection1" style="page: WordSection1; caret-color: rgb(0, 0, 0); font-family: Helvetica; font-size: 12px; font-style: normal; font-variant-caps: normal; font-weight: normal; letter-spacing: normal; text-align: start; text-indent: 0px; text-transform: none; white-space: normal; word-spacing: 0px; -webkit-text-stroke-width: 0px; text-decoration: none;"><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Dear CORE Enthusiasts,<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">We will have a CORE Working Group meeting this Thursday at 8:00 am EDT<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Agenda:<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Simulation Goals for Proposal<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Advances in DELPHES running/simulation/analysis<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Other..<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Charles Hyde is inviting you to a scheduled Zoom meeting.<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Topic: CORE Physics Working Groups<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class="">Time: Oct 7, 2021 08:00 AM Eastern Time (US and Canada)<o:p class=""></o:p></span></div><div style="margin: 0cm; font-size: 12pt; font-family: Calibri, sans-serif;" class=""><span style="font-size: 11pt;" class=""><o:p class=""> </o:p></span></div><div style="margin: 0cm; 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