Hadron Ion Tea (HIT) Seminar Series
[formerly the Heavy Ion Tea Seminars]
Nuclear Science Division
Lawrence Berkeley National Laboratory
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HIT seminars are on Tuesdays at 4:00pm Pacific Time (unless otherwise noted)
HIT seminars are on Tuesdays at 4:00pm Pacific Time (unless otherwise noted)
Organizers: Yuxun Guo, Yuuka Kanakubo, Felipe Ortega, Mateusz Ploskon, Bigeng Wang and Zhenyu Ye (Contact us at hit-organizers@lbl.gov)
Previous seminars can be viewed on our HIT Youtube Channel
Upcoming seminars
Upcoming seminars
Welcome to our Hadron-Ion Tea Seminar Series in 2026! All talks are available on zoom, some are in-person as well - we hope you join us!
Jan. 27, 2026 (In person)
Dr. Jani Penttala (UCLA)
Location: Swiatecki Lounge B70 annex - 228
Time: 4:00pm Pacific Time
ZOOM for those who are unable to come in-person: LINK
Host: Feng Yuan
Title: Energy correlators at the LHC and the EIC
Abstract: Energy correlators are event-shape observables that can be used to study QCD by examining angular correlations between produced particles. As energy correlators are weighted by the energy of the outgoing particles, we can exploit the momentum-sum rule of fragmentation functions, making energy correlators less sensitive to the nonperturbative hadronization in the final state. This allows us to focus on other aspects of the collision process. In this talk, I will discuss energy-correlator observables for various processes that can be studied at the LHC and the EIC. This includes transverse energy-energy correlators, one-point energy correlators, and the collinear limit of energy-energy correlators. By studying a wide range of observables in different collider environments, I will demonstrate how these energy-correlator observables can be used to probe initial hadrons, including modifications from heavy nuclei in the initial state.
Mar. 03, 2026 (In person)
Dr. Ryutaro Tsuji (KEK)
Location: Room 328, Birge Hall, UC Berkeley Campus MAP
Time: 4:00pm Pacific Time
ZOOM for those who are unable to come in-person: LINK
Host: Felipe Ortega-Gama
Title: Axial structure of the nucleon on large-volume lattice QCD at the physical point
Abstract: The nucleon form factors are very good probes to investigate the nucleon structure. Although great theoretical and experimental efforts for the form factors have been devoted to improving our knowledge of the nucleon structure, there are several unsolved problems and tensions associated with the fundamental properties of nucleons such as the proton radius puzzle and high-precision determination of the neutrino-nucleon scattering.
In this talk, I present our resent results about the nucleon axial, induced pseudoscalar, and pseudoscalar form factors.
Based on our simulation, we also investigate the partially conserved axial-vector (PCAC) relation and the low-energy relations arising from PCAC relation by using lattice QCD data, which offers a theoretical insight into the pion-pole dominance model.
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