<div dir="ltr"><div class="gmail_default"><div class="gmail_default"><font face="arial, helvetica, sans-serif">Here are the points to consider for the discussion.</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif"><br></font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">1/ The measurement relies on Internal conversion of  neutral 229mTh.</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">2/ Steps that are followed->Make 229mTh ion-> Separate 229mTh ion from</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">      other stuff->neutralize on a detector->Make sure detector response is due to</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">       229mTh. </font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">3/ How does this help to make a clock ?</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">4/ What is special about this transition ?</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">5/ Why has it taken so long to detect this transition ?</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">6/ The half life changes depending on charge state.</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">7/ Once the transition is confirmed how is the energy range of this decay estimated ?</font></div><div class="gmail_default"><font face="arial, helvetica, sans-serif">8/ How realistic is a goal of having  a nuclear clock in a decade from now ?</font></div></div><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div class="gmail_quote"><div class="gmail_default" style="font-family:arial,helvetica,sans-serif;font-size:small">​_____​</div><br><div dir="ltr"><div style="font-family:arial,helvetica,sans-serif;font-size:small">Hello All,</div><div style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div style="font-family:arial,helvetica,sans-serif;font-size:small">Next week's Journal club (Wed 7th) Mukut will be presenting the attached nature paper.</div><div style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div style="font-family:arial,helvetica,sans-serif;font-size:small">He has provided a link to very short intro piece <span style="color:rgb(34,34,34);font-family:arial,helvetica,sans-serif;font-size:small;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;float:none;display:inline">(tl;dr version)</span> which should help lead us in to the paper:</div><div style="font-family:arial,helvetica,sans-serif;font-size:small"><a href="https://www.nature.com/articles/533044a?lang=en" target="_blank">https://www.nature.com/<wbr>articles/533044a?lang=en</a><br></div><div style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div style="font-family:arial,helvetica,sans-serif;font-size:small">Main paper link:<br></div><div style="font-family:arial,helvetica,sans-serif;font-size:small"><a href="https://www.nature.com/articles/nature17669" 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;background-color:rgb(255,255,255)" target="_blank">https://www.nature.com/article<wbr>s/nature17669</a><span style="color:rgb(34,34,34);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;background-color:rgb(255,255,255);text-decoration-style:initial;text-decoration-color:initial;float:none;display:inline"> </span><br></div><div style="font-family:arial,helvetica,sans-serif;font-size:small"><br></div><div style="font-family:arial,helvetica,sans-serif;font-size:small">Enjoy.</div></div>
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