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Dear all, </div>
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<span style="color: rgb(0, 0, 0);"><br>
Tomorrow at 1:00PM EDT, we will have a virtual seminar given by </span><span style="color: black;">Teseo San José of
</span><span style="color: rgb(0, 0, 0);">The University of Edinburgh on the Zoom for Government link: </span></div>
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<a href="https://jlab-org.zoomgov.com/j/1604814822?pwd=RtO3SJ6vf8yEE0bcGcwzgqMfgkneMm.1" id="OWA552a6221-8528-3370-f6ed-44507072e448" class="x_OWAAutoLink" data-olk-copy-source="MessageBody" data-linkindex="0" data-auth="NotApplicable" style="margin: 0px;">https://jlab-org.zoomgov.com/j/1604814822?pwd=RtO3SJ6vf8yEE0bcGcwzgqMfgkneMm.1</a></div>
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<span style="font-weight: 300;"><a href="https://jlab-org.zoomgov.com/j/1604814822?pwd=RtO3SJ6vf8yEE0bcGcwzgqMfgkneMm.1" target="_blank" id="LPUrlAnchor251743" style="color: var(--themePrimary); text-decoration: none; margin: 0px;">Join our Cloud HD Video Meeting</a></span></div>
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Zoom is the leader in modern enterprise video communications, with an easy, reliable cloud platform for video and audio conferencing, chat, and webinars across mobile, desktop, and room systems. Zoom Rooms is the original software-based conference room solution
used around the world in board, conference, huddle, and training rooms, as well as executive offices and classrooms. Founded in 2011, Zoom helps businesses and organizations bring their teams together in a frictionless environment to get more done. Zoom is
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Although it’s not an in-person seminar, you can also join your colleagues for a remote streaming of the seminar in CEBAF Center F324/325.</div>
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Please see below for the title and abstract. </div>
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<b><u>Theory Seminar</u></b>:<b> </b>October 28<sup>th</sup>, 1:00PM EDT (virtual) </div>
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<b><u>Speaker</u></b>: Teseo San José (The University of Edinburgh) </div>
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<span style="color: rgb(0, 0, 0);"><b><u>Title</u></b>:<b> </b></span><span style="color: black;">The distribution amplitude of the eta-charm meson from lattice QCD</span><span style="color: rgb(0, 0, 0);"> </span></div>
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<span style="color: rgb(0, 0, 0);"><b><u>Abstract</u></b>: </span><span style="color: black;">Scattering processes are an essential tool for experiment. Looking at Compton scattering, for instance, the electron probe interacts with the target through photon
exchange. When the target is not fundamental itself, like a hadron, and the energy of the probing photon is high enough, the scattering process takes place through interaction with the elementary constituents of the target, adding an extra layer of complexity.
In this scenario, one needs to understand how the energy, momentum, and particles themselves distribute inside the target. In this talk, I present our recent determination of the eta-charm distribution amplitude, which encodes the parton momentum distribution
along the direction of movement for this pseudo-scalar charmonium. I explain how to use lattice QCD simulations to predict this non-perturbative quantity, and what are the systematics in the analysis. Furthermore, I compare our results to the predictions given
by two popular alternatives: Dyson-Schwinger equations and non-relativistic QCD. This study is a simpler scenario to develop our analysis techniques, which can then be applied to more pressing matters, like J/psi in deeply virtual meson production.</span><span style="color: rgb(0, 0, 0);"> </span></div>
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<span style="background-color: rgb(255, 255, 255);">We look forward to seeing you there!</span></div>
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Best regards, </div>
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Joe, Zheng-Yang, and Gloria</div>
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