[Theory-seminars] Cake Seminar Wednesday - Andrea Simonelli

[Caroline Silva Rocha Costa]

Dear all,

On Wednesday, Sep 25th, at 1pm EDT, we will have a cake seminar given by Andrea Simonelli of Jlab & Old Domionion University (ODU) in CC F224/225 and on the Zoom for Government link:

https://jlab-org.zoomgov.com/j/1607721425?pwd=ah7MjHfioiVf42D4wqn1VogHRFbau6.1
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Please, see title and abstract of Andrea's talk below.

Title: "Off light-cone effects in hadronic processes"
Abstract: The underlying spacetime structure of the hadronic processes is at the heart of their factorization properties. In particular, many popular cases concern kinematic configurations in which the relevant physics develops around two opposite light-cone directions. In such scenarios, any deviation from the light-cone is commonly and implicitly assumed to be irrelevant for leading power factorization theorems .
Although this hypothesis often turns out to be correct, detecting and tracking the potential off light-cone effects not only provides a more solid and formal ground for the factorization itself, but it also offers a new and interesting perspective on the similarities between different, and only apparently unrelated, hadronic processes.
In this regard, I will emphasize how universal functions such as the Collins-Soper (CS) kernel play a crucial role in bridging different fields and communities. The cases of Deep Inelastic Scattering (DIS) in the limit of large Bjorken $x$ and $e^+e^-$ annihilation in the dijet region will be discussed thoroughly as relevant examples.

See you on Wednesday.
Caroline, Joe, Zheng-Yang & Glora



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