3 papers
hep-ex2026
Hadron Physics Opportunities at FAIR
J. G. Messchendorp, F. Nerling, P. Achenbach +103
This White Paper outlines a coordinated, decade-spanning programme of hadron and QCD studies anchored at the GSI/FAIR accelerator complex. Profiting from intense deuteron, proton a…
hep-ph2025
Discovering the in semileptonic decays
M. -L. Du, F. -K. Guo, C. Hanhart +3
The mass and width of the lightest scalar open-charm state listed in the Review of Particle Physics, the , are in puzzling tension with predictions from unitarized…
hep-ph2024
From pole parameters to line shapes and branching ratios
L. A. Heuser, G. Chanturia, F. -K. Guo +3
Resonances are uniquely characterized by their complex pole locations and the corresponding residues. In practice, however, resonances are typically identified experimentally as st…