Quantum electrodynamics (QED) is the most rigorously tested quantum field theory of the standard model of particle physics 1. It describes the fundamental electromagnetic interactions of particles and ...

E. Braaten, C.S. Li, T.C. Yuan, "The evolution of Weinberg's gluonic CP-Violation operator," Physical Review Letters, 64:1709-12, 1990. Eric Braaten (Northwestern University, Evanston, Ill.): "A great ...

Physicists have found that an elementary particle called the W boson appears to be 0.1% too heavy — a tiny discrepancy that could foreshadow a huge shift in fundamental physics. The measurement, ...

No one has ever probed a particle more stringently than this. In a new experiment, scientists measured a magnetic property of the electron more carefully than ever before, making the most precise ...

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Energetic particles that arise when cosmic rays hit Earth’s atmosphere could help assess hidden damage to buildings in Ukraine after the war. Primordial black holes may be exploding throughout the ...