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hep-ph2026
Invisible dark-sector radiation: analytic resummation for dark photon searches
Xiangyu Deng, Yi Li, Rongfeng Ou +1
We derive an analytic resummed description of the missing-mass spectrum in monophoton searches for invisible dark photons at electron--positron colliders. In a dark Abelian Higgs m…
hep-th2026
Four-loop Anomalous Dimensions of Scalar-QED Theory from Operator Product Expansion
Rijun Huang, Qingjun Jin, Yi Li
We apply the Operator Product Expansion (OPE) algorithm to the renormalization of scalar-QED theory, with a specific focus on the fixed-charge operator . Within the OPE framew…