CFNS Seminars

Explore charm hadronic physics
from BESIII to sPHENIX

by Dr Xudong Yu (Peking University)

America/New_York
Peter Paul Seminar Room (C-120)

Peter Paul Seminar Room

C-120

Description

Charm hadrons offer a sensitive window into non-perturbative QCD, connecting weak decays and hadron spectroscopy in clean e+e collisions with heavy-flavor production and hadronization in nuclear matter. In this seminar, I will present my work exploring charm hadronic physics from BESIII to sPHENIX. At BESIII, I will focus on studies of charmed-baryon decays, including the partial wave analysis of Λc+→Λπ+η and the first observation of Λc+→nπ+η. These analyses probe decay dynamics, intermediate hadronic structures, and final-state interactions through amplitude modeling, statistical fitting, and machine-learning techniques developed to improve sensitivity in challenging backgrounds. I will also briefly discuss the J/ψ energy correlator as a new observable related to charmonium hadronization. Building on these interests, I will then discuss my work at sPHENIX, where charm hadrons are studied in the more complex environment of high-energy nuclear collisions. I will highlight my contributions to tracking calibration, online analysis, and light- and heavy-flavor reconstruction, which are essential steps toward precision measurements of charm production and hadronization in the QCD medium.

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Zoom: https://bnl.zoomgov.com/j/1604670623?pwd=X7OFPgECyCqBcKgQ28OrRhcKuIpB50.1

Meeting ID: 160 467 0623
Passcode: 427659

Organized by

Yeonju Go