Hadronic matrix elements and the 0 mass difference
Research output: Contribution to journal › Article
We estimate the 0 electromagnetic mass difference within the 1/N expansion approach to hadronic matrix elements. Perturbative QCD and a truncated meson theory describe the high- and low-photon-loop-momentum contributions, respectively. The matching between these complementary pictures for strong interactions is discussed.
|Research areas and keywords||
Subject classification (UKÄ) – MANDATORY
|Number of pages||4|
|Journal||Physical Review Letters|
|Publication status||Published - 1989 Jan 1|