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<font size="4" class="">Dear All, </font>
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</font></div>
<div class=""><font size="4" class="">Below please find my abstract and it definitely requires editing. </font><span style="font-size: large;" class="">Please let me know your opinion. </span></div>
<div class=""><font size="4" class=""><br class="">
</font></div>
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<span style="text-decoration: underline; -webkit-font-kerning: none;" class=""><font size="4" class="">Hadron structure from current-current correlation functions in lattice QCD</font></span></div>
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<font size="4" class=""><span style="-webkit-font-kerning: none;" class=""></span><br class="">
</font></div>
<div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="-webkit-font-kerning: none;" class=""><font size="4" class="">We present how partonic structure of hadrons can be extracted from matrix elements of two spatially-separated
currents, which are computable directly in lattice QCD and can be factorized into parton distribution functions with calculable hard coefficients. We demonstrate the recently derived one-loop matching coefficient that is central to this work has a well-controlled
behavior in Ioffe-time, for example, in a specific calculation of pion valence quark distribution. We discuss issues in obtaining PDFs from the factorized matrix elements which involves an inverse problem - common to extraction of PDFs from lattice QCD calculations
or experimental data and what would require in a lattice calculation to discriminate between different large $x$ behaviors of pion valence PDF. </font></span></div>
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<div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="-webkit-font-kerning: none;" class=""><font size="4" class=""><br class="">
</font></span></div>
<div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="-webkit-font-kerning: none;" class=""><font size="4" class="">Thank you.</font></span></div>
<div style="margin: 0px; font-stretch: normal; line-height: normal;" class=""><span style="-webkit-font-kerning: none;" class=""><font size="4" class="">-Raza</font></span></div>
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<div><br class="">
<blockquote type="cite" class="">
<div class="">On Aug 13, 2020, at 4:49 PM, Colin Egerer <<a href="mailto:cpegerer@email.wm.edu" class="">cpegerer@email.wm.edu</a>> wrote:</div>
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<div class="">
<div dir="ltr" class="">Hi Joe et al.,
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<div class="">This is a good idea, and perhaps good that abstracts submitted in January were lost as I had originally proposed to talk about the polarized quark distributions from distillation.</div>
<div class="">I'll pass along an abstract for the unpolarized with distillation then shortly.</div>
<div class=""><br class="">
</div>
<div class="">Best,</div>
<div class="">Colin</div>
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<br class="">
<div class="gmail_quote">
<div dir="ltr" class="gmail_attr">On Thu, Aug 13, 2020 at 4:47 PM Monahan, Christopher <<a href="mailto:cjmonahan@wm.edu" class="">cjmonahan@wm.edu</a>> wrote:<br class="">
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I had originally assumed it was lost to the aether, too, but it is still in the Indico site, so I wasn't sure. Anyway, ignore the second one then.</div>
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Regards,</div>
<div style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class="">
Chris</div>
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Chris Monahan</div>
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<span style="font-family: Calibri, Arial, Helvetica, sans-serif; font-size: 12pt;" class="">Pronouns: he/his</span><br class="">
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Assistant Professor</div>
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Department of Physics</div>
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William & Mary</div>
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<div id="gmail-m_6513810986064628455divRplyFwdMsg" dir="ltr" class=""><font face="Calibri, sans-serif" style="font-size:11pt" class=""><b class="">From:</b> David Richards <<a href="mailto:dgr@jlab.org" target="_blank" class="">dgr@jlab.org</a>><br class="">
<b class="">Sent:</b> 13 August 2020 16:45<br class="">
<b class="">To:</b> Monahan, Christopher <<a href="mailto:cjmonahan@wm.edu" target="_blank" class="">cjmonahan@wm.edu</a>><br class="">
<b class="">Cc:</b> Joseph Karpie <<a href="mailto:jkarpie@gmail.com" target="_blank" class="">jkarpie@gmail.com</a>>;
<a href="mailto:hadstruct@jlab.org" target="_blank" class="">hadstruct@jlab.org</a> <<a href="mailto:hadstruct@jlab.org" target="_blank" class="">hadstruct@jlab.org</a>><br class="">
<b class="">Subject:</b> Re: [Hadstruct] [EXTERNAL] LaMET2020 abstracts</font>
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<div style="overflow-wrap: break-word;" class="">Hi Chris and Joe,
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</div>
<div class="">These (ie Chris I and Joe’s) both look good. Do you know whether the January abstracts carry forward?</div>
<div class=""><br class="">
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<div class="">David</div>
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</div>
<div class="">PS I wasn’t going to submit one...<br class="">
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<blockquote type="cite" class="">
<div class="">On Aug 13, 2020, at 4:38 PM, Monahan, Christopher <<a href="mailto:cjmonahan@wm.edu" target="_blank" class="">cjmonahan@wm.edu</a>> wrote:</div>
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Hi all</div>
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Joe, thank you for suggesting this. My abstract, submitted a few days ago, is</div>
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Connecting quasi and pseudo distributions in nongauge theories</div>
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"<span style="color:rgb(85,85,85);font-family:"Liberation Serif",serif;font-size:13px;text-align:justify;text-indent:26px;background-color:rgb(255,255,255);display:inline" class="">I explore the explicit relationship between the LaMET and pseudo-PDF approaches
to collinear hadron structure in the context of a scalar theory, and demonstrate explicitly their equivalence at one loop in perturbation theory. Scalar field theory removes complications associated with gauge theories that enable complete calculations of
all quantities, such as the Ioffe-time distribution at arbitrary field separation, and demonstrate explicitly their interrelationships. This provides the ideal playground for analysing and clarifying the main features of both quasi- and pseudo-PDFs."</span></div>
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<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt" class="">
Apparently I was so on top of things back in January that this is actually the second abstract I submitted. I had forgotten about the first (I mean it's not like anything major has happened since January 29th), and it is</div>
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<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt" class="">
Finite volume effects for extended operators, vol. 2</div>
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<div style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt" class="">
"<span style="color:rgb(85,85,85);font-family:"Liberation Serif",serif;font-size:13px;text-align:justify;text-indent:26px;background-color:rgb(255,255,255);display:inline" class="">Lattice determinations of parton distribution functions are now sufficiently
mature that a proper accounting of systematic uncertainties is necessary for further progress. These determinations generally rely on nonperturbative calculations of matrix elements of spatially-extended operators, which may have enhanced finite volume effects
relative to matrix elements of local operators. I present a dispersive technique for determining finite-volume effects associated with spatially-separated current operators. This framework would enable nonperturbative removal of the dominant finite volume
effects given previously-determined lattice form factors. In this work we focus on the implications for the matrix elements of the pion, but the framework may be generalized to other states.</span>"</div>
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Regards,<br class="">
Chris</div>
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Chris Monahan</div>
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<span style="font-family:Calibri,Arial,Helvetica,sans-serif;font-size:12pt" class="">Pronouns: he/his</span><br class="">
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Assistant Professor</div>
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Department of Physics</div>
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William & Mary</div>
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<font face="Calibri, sans-serif" style="font-size:11pt" class=""><b class="">From:</b><span class=""> </span>Hadstruct <<a href="mailto:hadstruct-bounces@jlab.org" target="_blank" class="">hadstruct-bounces@jlab.org</a>> on behalf of Joseph Karpie <<a href="mailto:jkarpie@gmail.com" target="_blank" class="">jkarpie@gmail.com</a>><br class="">
<b class="">Sent:</b><span class=""> </span>13 August 2020 16:26<br class="">
<b class="">To:</b><span class=""> </span><a href="mailto:hadstruct@jlab.org" target="_blank" class="">hadstruct@jlab.org</a><span class=""> </span><<a href="mailto:hadstruct@jlab.org" target="_blank" class="">hadstruct@jlab.org</a>><br class="">
<b class="">Subject:</b><span class=""> </span>[Hadstruct] [EXTERNAL] LaMET2020 abstracts</font>
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<div style="font-family:Helvetica;font-size:12px;font-style:normal;font-variant-caps:normal;font-weight:normal;letter-spacing:normal;text-align:start;text-indent:0px;text-transform:none;white-space:normal;word-spacing:0px;text-decoration:none" class="">
<div dir="ltr" class="">Hey everyone,
<div class=""><br class="">
</div>
<div class="">Since we only have a few days left, I'd like to try to organize our abstracts for LaMET 2020 those who haven't sent them in already. Since there are a limited number of talks, we decided we should send in a number of abstracts and make them reject
us. I figure if we try to make our abstracts overlap as little as possible, it will remove the excuse of repetition they could use to reject us off hand. Below is what I will send in. Can everyone who is thinking of sending in abstracts copy theirs so we can
think about what to focus on?</div>
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</div>
<div class="">Below is my abstract where I plan to highlight the pseudo-PDF method and our latest results. I plan on discussing its distinctions from LaMET, but don't want that in the abstract as to not draw unnecessary ire. I've also pasted a link to my AP
Latt talk which will be a basis for my slides. Please send me any comments on my abstract or slides.</div>
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</div>
<div class=""><span style="font-family:Roboto,sans-serif;font-size:13px" class="">Best,</span></div>
<div class=""><span style="font-family:Roboto,sans-serif;font-size:13px" class="">Joe</span></div>
<div class=""><span style="font-family:Roboto,sans-serif;font-size:13px" class=""><br class="">
</span></div>
<div class=""><a href="https://urldefense.proofpoint.com/v2/url?u=https-3A__conference-2Dindico.kek.jp_event_113_contributions_2114_&d=DwMFaQ&c=CJqEzB1piLOyyvZjb8YUQw&r=phC8jtUHUVIl1OXaA25HKnc5L16EvLwhrqx4rXYGPWA&m=TGMha416R7BmOZMpXjw-2yH_zE6H5IzqLmrNh24zaY4&s=7ADZ15S4-hD9vzOCwQTUE2tXw5wF18i512VJga0A7gQ&e=" target="_blank" class="">https://conference-indico.kek.jp/event/113/contributions/2114/</a><span style="font-family:Roboto,sans-serif;font-size:13px" class=""><br class="">
</span></div>
<div class=""><span style="font-family:Roboto,sans-serif;font-size:13px" class=""><br class="">
</span></div>
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<div class=""><span style="font-family:Roboto,sans-serif;font-size:13px" class="">In this presentation, we focus on the pseudo-PDF method of calculating parton distributions. We use a Euclidean space matrix element, called the Ioffe-time pseudo distribution,
and Short Distance Factorization, </span>which allows data from all momenta to contribute in the analysis,<span style="font-family:Roboto,sans-serif;font-size:13px" class=""> to obtain parton distributions. We present the latest lattice results from the HadStruc
collaboration, discuss several lattice systematics, discuss the inverse problem universal to PDF determinations, and perform a comparison with the pertinent phenomenological determinations.</span></div>
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