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<div>NOTE: Room changed to the Auditorium</div>
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<div>Thank you to all of those who RSVP'd. See you at noon today in the Auditorium.<br>
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<p style="margin-top:0; margin-bottom:0"><font size="2"><span style="font-size:11pt"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">Jefferson Lab's Graduate Student and Post-Doc Association Wiki:</span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">
</span><a href="https://gspda.jlab.org/wiki/index.php/Main_Page" target="_blank" rel="noopener noreferrer" id="LPlnk78984" previewremoved="true"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">https://gspda.jlab.org/wiki/index.php/Main_Page</span></a><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-size:12pt; font-family:Times New Roman,Times,serif,serif,EmojiFont"></span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">
Please RSVP to: patient@jlab.org by COB on May 13, 2019</span><br>
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Wednesday, May 15, 2019</span><br>
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***F113***</span><br>
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12:00-1:00 pm</span><br>
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</span><span style="font-size:12pt; font-family:Times New Roman,Times,serif,serif,EmojiFont"></span></span></font><font size="2"><span style="font-size:11pt"><span style="font-size:12pt; font-family:Times New Roman,Times,serif,serif,EmojiFont"></span></span></font></p>
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"High Q2 Elastic Scattering on Three-Body Nuclei</span><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">"</span><span style="font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span></font><font size="2"><span style="font-size:11pt"><span style="font-size:11pt"></span><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""> </span></span></font></div>
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Scott Barcus</span><br>
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Jefferson Lab</span><br>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""> </span><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-size:12pt; font-family:Times New Roman,Times,serif,serif,EmojiFont"></span><span style="font-size:12pt; font-family:Times New Roman,Times,serif,serif,EmojiFont"></span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">Abstract:</span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">By
mining data from Jefferson Lab Hall A experiment E08-014</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""> a new</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">
3He</span><span style="color:black"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">elastic cross section
</span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span></span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">was extracted from
a large quasi</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">elastic background.</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">When combined
with </span><span style="color:black"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">recent high Q2 3He
</span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span></span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">elastic cross section</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">measurements
from Jefferson La</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">th</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">new</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">
data point</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""> improve</span><span style="color:black"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""> our knowledge
</span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span></span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">of the
</span><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">form factors at large momentum</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">transfers.</span><span style="color:black"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">The
new form factor fits were compared to </span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span></span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">modern theoretical
predictions.</span><span style="color:black"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">A conventional theoretical approach modeling two and
</span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span></span></span></font></div>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">three-body nucleon</span><span style="color:black"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">interactions
with relativistic corrections was reasonably successful </span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span></span></span></font></div>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">at</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">predicting
the charge form factor</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">owever, theory failed to accurately predict the magnetic</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">orm</span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">factors with the
first diffractive minimum of</span><span style="color:black"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">the 3He magnetic form factor actually moving further
</span><br>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">away from theory.</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">This
disagreement between theory and experiment provides motivation for</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">new</span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span>
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<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">asymmetry measurements
using polarized 3He and a polarized electron</span><span style="color:black"><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">beam which would be able
</span><br>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span></span></span></font></div>
<span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><span style="font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont""></span><font size="2"><span style="font-size:11pt"><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">to
locate the true locations of the diffractive</span><span style="color:black; font-size:12pt; font-family:Calibri,Helvetica,sans-serif,serif,"EmojiFont"">minima.</span></span></font></div>
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