3 papers
hep-lat2024
Lattice QCD calculation of the subtraction function in forward Compton amplitude
Yang Fu, Xu Feng, Lu-Chang Jin +2
The subtraction function plays a pivotal role in calculations involving the forward Compton amplitude, which is crucial for predicting the Lamb shift in muonic atom, as well as the…
hep-ex2023
Helicity amplitude analysis of
BESIII Collaboration, M. Ablikim, M. N. Achasov +567
Using (447.9 2.3) million (3686) events collected with the BESIII detector, the decays of (=0, 1, 2) have been studied via the decay $ψ(3686)\ri…
hep-ex2022
Observation of
BESIII Collaboration
The Born cross section of the process at a center-of-mass energy is measured to be (), using a data…