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<span style="background-color: white;">Dear all, </span></div>
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</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0); background-color: white;">On Monday, May 6<sup>th</sup>, 2024 at 1pm EDT, we will have a
</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">virtual</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0); background-color: white;"> seminar given
by </span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Andrey Tarasov of North Carolina State University and Stony Brook</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 14.6667px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> University</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0); background-color: white;"> on
the Zoom for Government link: </span></div>
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<span style="background-color: rgb(255, 255, 255);"><a href="https://jlab-org.zoomgov.com/j/1613689376?pwd=YXgxT01HMGZaTWY3SHdncEtlYmFJZz09" target="_blank" id="OWAfcfe4aef-0b92-0336-59e9-a503b51708cf" class="OWAAutoLink" rel="noopener noreferrer" data-auth="NotApplicable" data-linkindex="0" style="margin: 0px; background-color: rgb(255, 255, 255); text-align: left;">https://jlab-org.zoomgov.com/j/1613689376?pwd=YXgxT01HMGZaTWY3SHdncEtlYmFJZz09</a></span></div>
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Please see below for the title and abstract. </div>
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<span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: black;"><b><u>Theory Seminar</u></b>:<b> </b></span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 14.6667px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">May
6<sup>th</sup></span><span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: black;">, 1pm
</span><span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 14.67px; color: rgb(36, 36, 36); background-color: white;">EDT</span><span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: black;"> (</span><span style="font-family: Calibri, sans-serif; font-size: 14.6667px; color: rgb(36, 36, 36); background-color: rgb(255, 255, 255);">virtual</span><span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: black;">)</span></p>
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<span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: rgb(36, 36, 36);"><b><u>Speaker</u></b>:
</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 14.6667px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">Andrey Tarasov</span><span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: rgb(36, 36, 36);"> (</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">North
Carolina State University and Stony Brook</span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 14.6667px; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);"> University</span><span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: rgb(36, 36, 36);">) </span></p>
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<span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: rgb(36, 36, 36);"><b><u>Title</u></b>:</span><span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: black;"><b> </b></span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">A
unified description of DGLAP, CSS, and BFKL: TMD factorization bridging large and small x</span><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: 11pt; color: black; background-color: white;"> </span></p>
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<span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: rgb(36, 36, 36);"><b><u>Abstract</u></b>:</span><span style="font-family: Calibri, sans-serif, serif, EmojiFont; font-size: 11pt; color: black;"> </span><span style="font-family: Calibri, Helvetica, sans-serif; font-size: 11pt; color: rgb(0, 0, 0); background-color: rgb(255, 255, 255);">The
QCD factorization approach provides the theoretical framework for a systematic analysis of a wide class of observables in the high-energy scattering reactions. The various kinematic regimes of the high-energy scattering are described by different factorization
schemes, each characterized by a unique structure of the partonic modes. At the same time, it’s important to understand, both from the theoretical and practical points of view, how different factorization schemes are related to each other and how the transition
between them is realized. For example, that is essential for describing observables in the region of moderate Bjorken-x at the future Electron-Ion Collider. In this talk I will introduce a transverse-momentum dependent (TMD) factorization scheme designed to
unify large and small Bjorken-x regimes. Within the proposed scheme, I will discuss the computation of the gluon TMD operator for an unpolarized hadron at the next-to-leading order (NLO). This computation leads to a new TMD evolution, incorporating those
in transverse momentum, rapidity, and Bjorken-x. When matched to the collinear factorization scheme, the novel factorization faithfully reproduces the well-established DGLAP and CSS evolutions. Conversely, matching with high-energy factorization not only yields
the BFKL evolution but also reveals distinctive signatures of the CSS logarithms. The development of this novel TMD factorization scheme, capable of reconciling disparate Bjorken-x regimes and reproducing established QCD evolution equations, has the potential
to significantly advance our understanding of high-energy scattering and three-dimensional structure of hadrons.</span><span style="font-family: Calibri, Helvetica, sans-serif, serif, EmojiFont; font-size: 11pt; color: rgb(32, 32, 32); background-color: rgb(255, 255, 255);"> </span></p>
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<span style="font-size: 11pt; color: rgb(36, 36, 36);">See you on Monday. </span></p>
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<span style="font-size: 11pt; color: rgb(36, 36, 36);">Best regards, </span></p>
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<span style="font-size: 11pt; color: rgb(36, 36, 36);">Caroline, Joe, and Zheng-Yang</span></p>
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