3 papers
hep-ph2025
Valence Quark Distributions in Pions: Insights from Tsallis Entropy
Jingxuan Chen, Xiaopeng Wang, Yanbing Cai +2
We investigate the valence quark distributions of pions at a low initial scale () by employing Tsallis entropy, a non-extensive measure that effectively captures long-range…
hep-ph2025
Revisiting the deuteron mass radius via near-threshold , and meson photoproduction
Xiaoxuan Lin, Wei Kou, Shixin Fu +3
We present a comprehensive analysis of near-threshold photoproduction of , , and mesons on a deuterium target, utilizing published datasets from DESY and SLAC for $Ï…
hep-ex2025
Search for the Cabibbo-suppressed decays and
BESIII Collaboration, M. Ablikim, M. N. Achasov +679
Utilizing 4.5 of annihilation data collected at center-of-mass energies ranging from 4599.53 MeV to 4698.82 MeV by the BESIII detector at the BEPCII collider, we se…