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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>
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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><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><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>
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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>
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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>
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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>
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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>
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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";">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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