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Dear all, </div>
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Tomorrow at 1:00PM EST, we will have a virtual seminar given by </span><span style="color: black; background-color: white;">Ignacio Borsa Sanjuan of University of Tübingen</span><span style="color: rgb(0, 0, 0);"> on the Zoom for Government link: </span></div>
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<a href="https://jlab-org.zoomgov.com/j/1606727651?pwd=8nF3lEWQmppLByNsgQnnEwiuJ00Mou.1" id="OWA8f4cf9b2-4203-23cc-2685-79609c022bc0" class="x_OWAAutoLink" data-auth="NotApplicable" data-linkindex="0" style="margin: 0px;">https://jlab-org.zoomgov.com/j/1606727651?pwd=8nF3lEWQmppLByNsgQnnEwiuJ00Mou.1</a></div>
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<b>While this is not an in-person seminar, we encourage everyone, especially postdocs and students, to join us in person for the remote seminar streaming in CEBAF Center F324/325. Coffee and tea will be provided. </b></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>November 11<sup>th</sup>, 1:00PM EST (virtual) </div>
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<b><u>Speaker</u></b>: Ignacio Borsa Sanjuan (University of Tübingen) </div>
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<span style="font-size: 11pt; color: rgb(0, 0, 0);"><b><u>Title</u></b>:<b> </b></span><span style="font-size: 14.67px; color: black;">The spin structure of the prton beyond NLO</span><span style="font-size: 11pt; color: rgb(0, 0, 0);"> </span></div>
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<span style="font-size: 11pt; color: rgb(0, 0, 0);"><b><u>Abstract</u></b>: </span>
<span style="font-size: 14.67px; color: black;">The study of the internal spin structure of the proton in terms of the contributions from quarks, anti-quarks and gluons, is a key focus of modern particle physics. These contributions can be described in terms
of the longitudinally polarized parton distribution functions (pPDFs) or helicity PDFs, which are probed in high-energy scattering processes involving polarized nucleons. </span></div>
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In this seminar I will present the results of our recent next-to-next-to-leading order (NNLO) fully-global QCD analysis of the proton's helicity PDFs. Before commenting on the method and obtained results, I will make a short introduction about polarized collisions
and the spin content of the proton. </div>
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<span style="background-color: white;">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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