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style="font-family:arial,sans-serif;font-size:12.8px;margin:0px;color:rgb(34,34,34);font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">Hello
All,</p>
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style="font-family:arial,sans-serif;font-size:12.8px;margin:0px;color:rgb(34,34,34);font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">This
weeks journal & snack club is today at 3:30 in the MOB.<br>
<br>
Stephen will be presenting the attached paper:</p>
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style="font-family:arial,sans-serif;font-size:12.8px;margin:0px;color:rgb(34,34,34);font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"><a
href="https://www.sciencedirect.com/science/article/pii/S0370269318301771"
target="_blank"
style="color:rgb(17,85,204);font-family:arial,sans-serif;font-size:12.8px;font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px">https://www.sciencedirect.com/<wbr>science/article/pii/<wbr>S0370269318301771</a></p>
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style="font-family:arial,sans-serif;font-size:12.8px;margin:0px;color:rgb(34,34,34);font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial"> </p>
<p class="MsoNormal"
style="font-family:arial,sans-serif;font-size:12.8px;margin:0px;color:rgb(34,34,34);font-style:normal;font-variant-ligatures:normal;font-variant-caps:normal;font-weight:400;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial">Some
Questions/Discussion Points:</p>
<ol start="1"
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type="1">
<li class="MsoNormal" style="margin:0px 0px 0px 15px">What
would be the consequences of variations in the decay
constant?</li>
<li class="MsoNormal" style="margin:0px 0px 0px 15px">The
activity of the sources is calculated by integrating the
full energy spectrum, why measure activity above the full
photopeak energy.</li>
<li class="MsoNormal" style="margin:0px 0px 0px 15px"><sup>40</sup>K
decays predominately via<span> </span><span
style="color:black">β<sup>-<span> </span></sup>decay to<span> </span><sup>40</sup>Ca
without the emission of a γ ray. As the experiment is
insensitive to this type of decay can they discount
variations in the decay rate.</span></li>
<li class="MsoNormal" style="margin:0px 0px 0px 15px"><span
style="color:black">The detector experiences a
significant gain shift over the course of the
experiment. What could be the cause of this shift?</span></li>
<li class="MsoNormal" style="margin:0px 0px 0px 15px"><span
style="color:black">In Fig 7 why is the standard
deviation no longer horizontal after 100 days? The same
effect is not seen in Fig 4 despite using the same
methods.</span></li>
</ol>
<div style=""><font color="#000000"><span
style="font-size:12.8px"><br>
Hope to see you all there.<br>
</span></font></div>
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