<div dir="ltr"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_quote"><div dir="ltr"><div><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt" id="m_-3245014118598122013m_4067767811862053791m_-3054491935319277169inbox-inbox-docs-internal-guid-21466f39-0df7-3993-2f26-ffec1f93f710"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">Hi everyone,</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"> </font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">This week we'll be discussing "Evolution of the Reactor Antineutrino Flux and Spectrum at Daya Bay (</span><a href="https://journals.aps.org/prl/abstract/10.1103/PhysRevLett.118.251801" style="text-decoration:none" target="_blank"><span style="font-family:Arial;color:rgb(17,85,204);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:underline;vertical-align:baseline">https://journals.aps.org/prl/<wbr>abstract/10.1103/PhysRevLett.1<wbr>18.251801</span></a><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">). Here are some questions:</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"> </font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">1. The lowest energy neutrinos detected were of ~0.7 MeV. Why is this?</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"> </font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">2. How does the Daya Bay Collaboration support the claim that 'sterile' neutrinos probably aren't behind the reactor antineutrino anomaly?</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"> </font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">3. How is the ‘conversion method’ for antineutrino spectrum reconstruction dependent on underlying nuclear physics? What ramifications might this have for tests of the antineutrino flux anomaly?</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"> </font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">4. With the sterile neutrino hypothesis dispelled by this result, what is the logical next step for probing the anomaly?</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"> </font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">5. (Political bonus round) How could a direct prediction of antineutrino spectrum, instead of one produced from conversion models, aid in detection of nuclear reactor misuse? Odds that Trump pursues this in a renegotiation of the Iran deal?</span></font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"> </font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">We'll meet on Wednesday at 3:30 pm in the MOB Theory Room and </span></font><span style="background-color:transparent;font-family:Arial">snacks will be provided.</span></p></div><span class="m_-3245014118598122013HOEnZb"><font color="#888888"><div dir="ltr"><div><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"> </font></p><p dir="ltr" style="line-height:1.38;margin-top:0pt;margin-bottom:0pt"><font size="2"><span style="font-family:Arial;color:rgb(0,0,0);background-color:transparent;font-weight:400;font-style:normal;font-variant:normal;text-decoration:none;vertical-align:baseline">- Jonah</span></font></p>

</div></div></font></span></div><span class="m_-3245014118598122013HOEnZb"><font color="#888888"><div dir="ltr">-- <br></div><div data-smartmail="gmail_signature"><div dir="ltr"><span style="color:rgb(0,0,0);font-family:calibri,arial,helvetica,sans-serif;font-size:16px">Jonah Berean-Dutcher, Co-op Student</span><br style="color:rgb(0,0,0);font-family:calibri,arial,helvetica,sans-serif;font-size:16px"><span style="color:rgb(0,0,0);font-family:calibri,arial,helvetica,sans-serif;font-size:16px">TRIUMF</span><div><span style="color:rgb(0,0,0);font-family:calibri,arial,helvetica,sans-serif;font-size:16px">4004 Wesbrook Mall</span><br style="color:rgb(0,0,0);font-family:calibri,arial,helvetica,sans-serif;font-size:16px"><span style="color:rgb(0,0,0);font-family:calibri,arial,helvetica,sans-serif;font-size:16px">Vancouver, BC, Canada  V6T 2A3</span>  <br></div><div>UBC Student Number: 12571139</div></div></div>
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