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<th nowrap="nowrap" valign="BASELINE" align="RIGHT">Subject:
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<td>[Jlab-seminars] Theory Center Seminar</td>
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<th nowrap="nowrap" valign="BASELINE" align="RIGHT">Date: </th>
<td>Mon, 13 Jan 2014 09:15:58 -0500</td>
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<th nowrap="nowrap" valign="BASELINE" align="RIGHT">From: </th>
<td>Mary Fox <a class="moz-txt-link-rfc2396E" href="mailto:mfox@jlab.org"><mfox@jlab.org></a></td>
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<th nowrap="nowrap" valign="BASELINE" align="RIGHT">To: </th>
<td><a class="moz-txt-link-abbreviated" href="mailto:jlab-seminars@jlab.org">jlab-seminars@jlab.org</a></td>
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Theory Center Seminar <br>
Monday, Jan. 13, 2014 <br>
1:00 p.m. (coffee at 12:45 p.m.) <br>
CEBAF Center, Room L102 <br>
<br>
<br>
Jerry Miller <br>
University of Washington, Seattle <br>
<br>
<b>Pionic and Hidden-Color, Six-Quark Contributions to the
Deuteron b1 Structure Function </b><br>
<br>
The b1 structure function is an observable feature of a spin-1
system sensitive to non-nucleonic <br>
components of the target nuclear wave function. The contributions
of exchanged pions in the <br>
deuteron are estimated and found to be of measurable size for
small values of x. A simple model <br>
for a hidden-color, six-quark configurations (with~ 0.15%
probability to exist in the deuteron) <br>
is proposed and found to give substantial contributions for values
of x>0.2. Good agreement with <br>
Hermes data is obtained. Predictions are made for an upcoming JLab
experiment. The Close & Kumano <br>
sum rule is investigated and found to be a useful guide to
understanding various possible effects <br>
that may contribute. <br>
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