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Dear all</div>
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<br>
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Here you have the details of tomorrow's seminar</div>
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<b style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, system-ui, Roboto, "Helvetica Neue", sans-serif; font-size: inherit; font-style: inherit; font-variant-ligatures: inherit; font-variant-caps: inherit;"><font size="3">Theory
Seminar</font></b><br>
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<div style="margin: 0px; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, system-ui, Roboto, "Helvetica Neue", sans-serif; color: rgb(50, 49, 48); background-color: rgb(255, 255, 255)">
<font size="3" style="">Monday, December 2, 1:00 pm, Room L102</font></div>
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Theo Motta (Adelaide University), "<span>Quark structure of Hadrons, Nuclei and Neutron Stars"<br>
</span>
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Abstract: </div>
<div>With densities going above 6 times nuclear matter densities, the core of neutron stars are our only laboratories to study high density nuclear matter and QCD. The composition of such cores is unknown, but after the measurement of the super massive pulsar
PSR-J1614, the question of whether or not hyperons may be present in these stars, or perhaps deconfined quarks, became extremely pressing. Nowadays, new data from the gravitational waves GW170817 give us some new constrains and help us to understand what goes
on in such dense objects. In this talk I will give a brief overview of the quark-meson coupling model for nuclear interactions and show how it helps shed some light into these issues<br>
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<span></span></div>
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<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0);">
<span style="color: rgb(50, 49, 48); font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, system-ui, Roboto, "Helvetica Neue", sans-serif; font-size: medium; background-color: rgb(255, 255, 255); display: inline !important">Bluejeans
connection: </span><span style="margin: 0px; font-size: medium; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, system-ui, Roboto, "Helvetica Neue", sans-serif; color: rgb(34, 34, 34); background-color: rgb(255, 255, 255)"><a href="https://bluejeans.com/610445877" target="_blank" style="margin: 0px; color: rgb(17, 85, 204)"><span style="margin: 0px; color: rgb(12, 100, 192)">https://bluejeans.<wbr>com/610445877</span><span style="margin: 0px; color: rgb(12, 100, 192)"></span></a></span><span style="margin: 0px; font-size: medium; font-family: "Segoe UI", "Segoe UI Web (West European)", "Segoe UI", -apple-system, system-ui, Roboto, "Helvetica Neue", sans-serif; color: rgb(12, 100, 192); background-color: rgb(255, 255, 255)"> </span><br>
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<pre cols="72" style="white-space:pre-wrap">--</pre>
<pre cols="72" style="white-space:pre-wrap">Postdoctoral researcher
Theory Center - Jefferson Lab
12000 Jefferson Avenue,
Newport News, VA 23606 USA
CEBAF center, office A206</pre>
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<div id="divRplyFwdMsg" dir="ltr"><font face="Calibri, sans-serif" color="#000000" style="font-size:11pt"><b>From:</b> Theory-seminars <theory-seminars-bounces@jlab.org> on behalf of Raza Sufian <sufian@jlab.org><br>
<b>Sent:</b> Sunday, December 1, 2019 8:26 PM<br>
<b>To:</b> theory-seminars@jlab.org <theory-seminars@jlab.org><br>
<b>Subject:</b> [Theory-seminars] Seminars this week</font>
<div> </div>
</div>
<div><font size="3" class="">Dear All, </font>
<div class=""><font size="3" class=""><br class="">
</font></div>
<div class=""><font size="3" class="">I apologize for not having any announcement for the theory seminars earlier. Here are the announcements for the seminars this week:</font></div>
<div class=""><font size="3" class=""><br class="">
</font></div>
<div class=""><font size="3" class="">Bluejeans connection: <span class="" style="color:rgb(34,34,34)"><a href="https://bluejeans.com/610445877" target="_blank" class="" style="color:rgb(17,85,204)"><span class="" style="color:rgb(12,100,192)">https://bluejeans.<wbr class="">com/610445877</span><span class="" style="color:rgb(12,100,192)"></span></a></span><span class="" style="color:rgb(12,100,192)"> </span></font></div>
<div class=""><font size="3" class=""><br class="">
</font></div>
<div class=""><b class=""><font size="3" class="">Theory Seminar</font></b></div>
<div class=""><b class=""><font size="3" class="">Monday, December 2, 1:00 pm, Room L102</font></b></div>
<div class=""><font size="3" class=""><br class="">
</font></div>
<div class=""><font size="3" class=""><span class="JtukPc">
<div aria-hidden="true" class="OLw7vb nGJqzd"></div>
</span><span class="JtukPc">Theo Motta (Adelaide University) </span></font></div>
<div class=""><span class="JtukPc"><font size="3" class=""><br class="">
</font></span></div>
<div class=""><span class="JtukPc"><font size="3" class="">Title/Abstract: TBD, TBD</font></span></div>
<div class=""><span class="JtukPc"><font size="3" class=""><br class="">
</font></span></div>
<div class=""><span class="JtukPc"><font size="3" class="">-----------------------------------------------------------------</font></span></div>
<div class=""><span class="JtukPc"><font size="3" class=""><br class="">
</font></span></div>
<div class=""><span class="JtukPc"><b class=""><font size="3" class="">Theory Seminar</font></b></span></div>
<div class=""><span class="JtukPc"><b class=""><font size="3" class="">Wednesday, December 4, 1:00 pm, Room F224-225</font></b></span></div>
<div class=""><span class="JtukPc"><font size="3" class=""><br class="">
</font></span></div>
<div class=""><span class="JtukPc"><font size="3" class="">Wim Cosyn (Florida International University)</font></span></div>
<div class=""><span class="JtukPc"><font size="3" class=""><br class="">
</font></span></div>
<div class=""><font size="3" class="">Title: Neutron structure from deuteron DIS with spectator proton tagging<br class="">
<br class="">
Abstract: Electron-deuteron deep inelastic scattering with detection of a spectator proton enables extraction of neutron partonic structure with maximum control of nuclear effects. We outline the theoretical formalism to describe these reactions, based on
methods of light-front nuclear structure. We show how low-energy nuclear structure enters into tagged observables (cross sections, asymmetries) and how the dependence on the kinematics of the tagged spectator enters. As an application, we focus on the tagged
longitudinal double spin asymmetry. We consider two possible denominators in the asymmetry: i) with the unpolarized deuteron (-1,0,+1 states), ii) with only maximum (-1,+1) states; we demonstrate the latter asymmetry results in smaller nuclear depolarization
effects at small spectator momenta. The method of pole extrapolation of these asymmetries can be used to extract g_1n of the free neutron. This would be possible over a wide kinematic range at a future EIC with polarized deuteron beams and forward detectors.
In the last part of the talk, we discuss possible extensions with deuteron tensor polarization, A=3 nuclei and the effects of nuclear final-state interactions.</font><br class="">
</div>
<div class=""><font size="3" class=""><br class="">
</font></div>
<div class=""><font size="3" class="">Thank you.</font></div>
<div class=""><font size="3" class="">-Carlota & Raza</font></div>
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