Relativistic Kinetic Vertex in Positronium

Details Relativistic Kinetic Vertex in Positronium Relativistic Kinetic Vertex in Positronium

2002-02-24

arxiv.org/abs/hep-ph/0202224v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages, 6 figures

Scientific paper

We derive Spinless Salpeter equation for the positronium using the NRQED Lagrangian. Consequently, we consider the Spinless Salpeter wavefunction instead of the Schrodinger wavefunction to show that the NRQED calculation can be done easier. We also discuss that the singularity of the Spinless Salpeter wavefunction at the origin is necessary to cancel the ultraviolet divergence in the NRQED calculations.

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