3 papers
hep-ex2025
Discovery of XYZ particles at the BESIII Experiment
Chang-Zheng Yuan
Charmonium is a bound state of a charmed quark and a charmed antiquark, and a charmoniumlike state is a resonant structure that contains at least a charmed quark-antiquark pair but…
hep-ph2025
The anomalous magnetic moment of the muon in the Standard Model: an update
R. Aliberti, T. Aoyama, E. Balzani +232
We present the current Standard Model (SM) prediction for the muon anomalous magnetic moment, , updating the first White Paper (WP20) [1]. The pure QED and electroweak contri…
hep-ex2025
Heavy quarkonia and new hadrons with two heavy quarks
Yuping Guo, Chang-Zheng Yuan
We give a pedagogical introduction to heavy quarkonia -- bound states of a heavy quark and its antiquark (e.g., charmonium , bottomonium ) -- as well as to the…