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Triangle Nuclear Theory Colloquium - Quark-gluon Plasma and Jet-induced Medium Response in High-energy Heavy-ion Collisions

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Wednesday, February 07, 2024
1:30 pm - 2:30 pm
Zhong Yang
Triangle Nuclear Theory Colloquium

The jets are powerful probes of quark-gluon plasma (QGP). When a jet loses energy to the QGP medium, it induces the medium response resembling a Mach-cone-like excitation. Investigating this jet-induced medium response can help us to understand QGP properties. We have developed a 2D jet tomography method to localize the initial jet positions and enhance the signal of the jet-induced diffusion wake-an unambiguous part of the medium response. Additionally, we employ a neural network to assist this tomography. To further study the jet-induced diffusion wake, we carry out the simulation of its 3D structure, and investigate its sensitivity to QGP medium properties. We also show that one can use the energy-energy correlators, a novel jet substructure observable, to investigate jet-induced medium response and the short distance structure of QGP in heavy-ion collisions.

NOTE: This talk will actually be a Triangle Nuclear Theory Seminar.

Contact: Steffen Bass