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<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi, Li,<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Here are more comments:<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">1.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">On slide 3, remove “electron” from the next to the bottom sentence.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">2.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">On slide 4, add “Pair spectrometer” in your list of experimental setup<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">3.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">On slide 7 and 8, if the Δk on both slides are the same as you said, how could it be possible that you still have the tails beyond the +/-0.4 to fit
on slide 8 after you already applied a +/-0.4 cut on the slide 7? Would you double check?<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">4.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">On slide 8, change “using events in the tails of the time difference distribution” to “using the side band events from the time difference distribution”.
You missed “accidentals” in your list of “Fit result” on the left text box. <o:p>
</o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">5.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">On slide 10 with title of “Cross Sections as Function of Energies”, you have blue text about “Cross Section” inside of your figures. Are they the average
experimental cross section over the energy range of the experiment? The numerical numbers for those cross sections have too many significant digits. The number of significant digits should match to your experimental precision.<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">6.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">There are two slides “10”. Would you fix it?<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">7.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Slide 13, remove “Integrated” from your title<o:p></o:p></span></p>
<p class="MsoListParagraph" style="text-indent:-.25in;mso-list:l0 level1 lfo1"><![if !supportLists]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><span style="mso-list:Ignore">8.<span style="font:7.0pt "Times New Roman"">
</span></span></span><![endif]><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> Slide 14, my suggestions: for the second sentence “For the first time, the Compton cross sections in the energy range of 4.4-5.3 GeV were measured
with the accuracy better than 2%”; for the last sentence “Extracted cross sections agree to the theory predictions with the higher order corrections”.
<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Liping<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"><o:p> </o:p></span></p>
<p class="MsoNormal"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> li ye [mailto:yeli.ciae@gmail.com]
<br>
<b>Sent:</b> Wednesday, April 11, 2018 1:00 AM<br>
<b>To:</b> Gan, Liping <ganl@uncw.edu><br>
<b>Cc:</b> primex2 <primex2@jlab.org>; Ashot Gasparian <gasparan@jlab.org>; pawel <pawel@jlab.org>; Ilia Larin <ilarin@jlab.org>; Dipangkar Dutta <ddutta07@gmail.com><br>
<b>Subject:</b> Re: APS April Meeting slides Compton<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">Hi Liping,<o:p></o:p></p>
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<p class="MsoNormal">1. done<o:p></o:p></p>
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<p class="MsoNormal">2. done<o:p></o:p></p>
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<p class="MsoNormal">3. the definition on slide 7 and 8 for Delta K are the same .<o:p></o:p></p>
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<p class="MsoNormal">4. done.<o:p></o:p></p>
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<p class="MsoNormal">5. done. see if it is OK I also text the Gaussian fit value <o:p></o:p></p>
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<p class="MsoNormal">6. done. if it is not good enough please let me know .<o:p></o:p></p>
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<p class="MsoNormal">7. 4.84 is the weighted average energy value , = Sum [ energy(i)*yield(i) ] / total yield , where i is the energy bin number <o:p></o:p></p>
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<p class="MsoNormal">8. done, I dont know if 2% is OK , maybe change to 1.5% ?<o:p></o:p></p>
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<p class="MsoNormal">Please let me know if there is any other comments <o:p></o:p></p>
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<p class="MsoNormal">Thank you for presenting this for me .<o:p></o:p></p>
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<p class="MsoNormal">Li<o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"> <o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">On Tue, Apr 10, 2018 at 2:09 PM, Gan, Liping <<a href="mailto:ganl@uncw.edu" target="_blank">ganl@uncw.edu</a>> wrote:<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Hi, Li,</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Here are my a few comments:</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">1.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">For the title on the first slide, “electron” should be removed.</span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">2.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">The slide 3, my suggestion for your first sentence is “Electron Compton scattering is one of the most fundamental and the best theoretically
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:red">known</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> reaction in QED”. The reference for the higher order corrections should be L. M. Brown
and R. P. Feynman, Phys. Rev. 85, 231 (1952).</span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">3.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Both histograms on the slide 7 and 8 are for Δk. You applied cut for Δk on slide 7 while you extracted yield from Δk on slide 8. Can you tell me if the definitions of those
Δk are the same? If not, please clearly define and distinguish them.</span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">4.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">For those yield extraction figures on slide 8 & 9, it is hard to see how good the fitting are. Can you plot them in log scale?</span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">5.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">For the “Experiment/Theory Deviation” slide (the second slide 10), it is better for you to project those data points to the y-axis and show the mean value and RMS of the
distributions. </span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">6.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">On slide 11, would you use red arrows to indicate where your actual cuts are? Your text font on the figures are too small to see. Can you make them larger?</span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">7.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">On slide 13, the column #2 shows that energy is 4.84 GeV. Does it correspond to one of your energy bin? What do you mean by “integrated cross section”? Do you mean that you
integrated the total phase space or the energy range of the measurement?</span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">8.</span><span style="font-size:7.0pt;color:#1F497D">
</span><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">On slide 14, you need make statement. For example, you can say “The Compton cross sections for the energy range of 4.4-5.3 GeV were measured with precision of … for the
first time”, “The Compton results validated that the systematic uncertainties of the PrimEx-II experiment for the pi0 lifetime measurement were controlled at the level of ***%”.</span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">I would appreciate if you could send out your updated version as soon as possible.</span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="m-6998581786787081655msolistparagraph"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D">Liping</span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><span style="font-size:11.0pt;font-family:"Calibri",sans-serif;color:#1F497D"> </span><o:p></o:p></p>
<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"><b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif">From:</span></b><span style="font-size:11.0pt;font-family:"Calibri",sans-serif"> li ye [mailto:<a href="mailto:yeli.ciae@gmail.com" target="_blank">yeli.ciae@gmail.com</a>]
<br>
<b>Sent:</b> Saturday, April 07, 2018 1:48 PM<br>
<b>To:</b> primex2 <<a href="mailto:primex2@jlab.org" target="_blank">primex2@jlab.org</a>>; Ashot Gasparian <<a href="mailto:gasparan@jlab.org" target="_blank">gasparan@jlab.org</a>>; pawel <<a href="mailto:pawel@jlab.org" target="_blank">pawel@jlab.org</a>>;
Gan, Liping <<a href="mailto:ganl@uncw.edu" target="_blank">ganl@uncw.edu</a>>; Ilia Larin <<a href="mailto:ilarin@jlab.org" target="_blank">ilarin@jlab.org</a>>; Dipangkar Dutta <<a href="mailto:ddutta07@gmail.com" target="_blank">ddutta07@gmail.com</a>><br>
<b>Subject:</b> APS April Meeting slides Compton</span><o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Hi All,<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Here is the slides for APS meeting, please send me your comments.<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Thanks<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Li <br clear="all">
<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto"> <o:p></o:p></p>
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<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Li Ye<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">Mississippi State University<o:p></o:p></p>
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<p class="MsoNormal" style="mso-margin-top-alt:auto;mso-margin-bottom-alt:auto">757-291-9896<o:p></o:p></p>
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<p class="MsoNormal"><o:p> </o:p></p>
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<p class="MsoNormal">-- <o:p></o:p></p>
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<p class="MsoNormal">Li Ye<o:p></o:p></p>
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<p class="MsoNormal">Mississippi State University<o:p></o:p></p>
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<p class="MsoNormal">757-291-9896<o:p></o:p></p>
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