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Dear TDISers, <br>
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I think this talk from Patrick Barry could be of interest to many of us. Sadly, I understand that it is not broadcast in Zoom (I will try to contact them to check the availability of Zoom)<br>
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Here is the preprint of the article Patrick will present tomorrow:<br>
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<a href="https://arxiv.org/pdf/2302.01192.pdf" id="LPlnk647715">https://arxiv.org/pdf/2302.01192.pdf</a><br>
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Cheers</div>
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-Carlos<br>
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If you receive this e-mail after hours, during a weekend, or on a holiday,</div>
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please enjoy your time off and respond during your working hours.<br>
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<div id="divRplyFwdMsg" dir="ltr"><font style="font-size: 11pt;" face="Calibri, sans-serif" color="#000000"><b>From:</b> Theory-seminars <theory-seminars-bounces@jlab.org> on behalf of Caroline Costa via Theory-seminars <theory-seminars@jlab.org><br>
<b>To:</b> theory-seminars@jlab.org <theory-seminars@jlab.org><br>
<b>Subject:</b> [Theory-seminars] Cake Seminar Wednesday - Patrick Barry</font>
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<span class="x_x_ContentPasted0 x_ContentPasted0" style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Hello All,
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<div class="x_x_ContentPasted0 x_ContentPasted0">This coming Wednesday, February 8th, at 1 pm (EST), Patrick Barry will give our first
<u><i>in-person</i> </u>cake seminar of the year in CC F224-225.</div>
<div class="x_x_ContentPasted0 x_ContentPasted0">Please see below for the details.</div>
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<div class="x_x_ContentPasted0"><u><b class="x_ContentPasted0">Cake Seminar</b></u></div>
<div class="x_x_ContentPasted0 x_ContentPasted0">Wednesday, December 7th at 1:00 PM</div>
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<div class="x_x_ContentPasted0 x_ContentPasted0"><u><b class="x_ContentPasted0">Patrick Barry</b></u> (JLab)</div>
<div class="x_x_ContentPasted0 x_ContentPasted0">will discuss "Tomography of pions and protons via TMDs"</div>
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<div class="x_x_ContentPasted0"><u><b class="x_ContentPasted0">Abstract:</b></u></div>
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We perform the first simultaneous extraction of parton collinear and transverse degrees of freedom from low-energy fixed-target Drell-Yan data in order to compare the transverse momentum dependent (TMD) parton distribution functions (PDFs) of the pion and proton.
We demonstrate that the transverse separation of the quark field encoded in TMDs of the pion is more than 5-sigma smaller than that of the proton. Additionally, we find the transverse separation of the quark field decreases as its longitudinal momentum fraction
decreases. In studying the nuclear modification of TMDs, we find clear evidence for a transverse EMC effect. In this talk, we discuss the methodology and various results, which call for a deeper examination of tomography in a variety of strongly interacting
quark-gluon systems.
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<div class="x_x_ContentPasted0 x_ContentPasted0">Best,</div>
Caroline, Colin, & Patrick</span><br>
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