[Theory-seminars] Cake Seminar Wed

[Joseph Karpie]

Hey everyone,

Change of venue for today's seminar. We will be in L102 which has become available.

-Joe Karpie
________________________________
From: Joseph Karpie
Sent: Monday, October 27, 2025 4:32:01 PM
To: Adam Freese via Theory-seminars <theory-seminars at jlab.org>
Subject: Cake Seminar Wed

Hey everyone,

On Wednesday we will be welcoming Ming Li, a new professor at Hampton U, who will give our Cake Seminar at 1pm. Please join us in the Auditorium or just outside in the lobby for refreshments beforehand

Title: Toward Understanding Proton’s Spin Structure at Small x

Abstract: Understanding how individual quarks and gluons contribute to the proton’s total spin 1/2 is one of the main topics in the study of the proton’s internal structure. At present, state-of-the-art global fittings still fall short of fully explaining proton’s total spin, with one of the least understood contributions coming from quarks and gluons at small longitudinal momentum fraction x. In this talk, I will discuss recent theoretical advances toward understanding the proton’s spin structure at small x, particularly on the development of small-x helicity evolution equations and on incorporating data from longitudinally polarized proton-proton collisions to constrain the initial conditions.


--
Joe Karpie
Pronouns: He/His/Him
Postdoctoral Fellow
Theoretical and Computational Physics Center
Jefferson Lab

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