1998/08/31 by R. Delbourgo, R Delbourgo, Dongsheng Liu +2 · 1 citation
Physics and Astronomy · #High-Energy Particle Collisions Research #Particle physics theoretical and experimental studies #Quantum Chromodynamics and Particle Interactions #hep-ph
paper · pdf · doi:10.1103/physrevd.59.113006
published as Phys.Rev.D59:113006,1999 · 14 pages, RevTeX. Replacement includes $a_0$ tadpole contribution. To appear in Phys Rev D
arxiv created 1999/02/23 · openalex publication_date 1999/04/26 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/07/28
We demonstrate that a u\ensuremath-d quark mass difference (which we estimate to be about 4 MeV) within quantum loops can reproduce the effects of the Coleman-Glashow electromagnetic tadpole operator.