Soft photon anomaly and gauge/string duality

Details Soft photon anomaly and gauge/string duality Soft photon anomaly and gauge/string duality

2010-02-18

arxiv.org/abs/1002.3452v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 pages

Scientific paper

Motivated by the recent DELPHI report on the anomalous photon production in e^+e^- annihilation, we exactly calculate the inclusive cross section of soft photons in the strong coupling limit of N=4 super Yang-Mills. We find that the energy distribution is that of the Bremsstrahlung, while the angular distribution is spherical. Our result elucidates a new non-perturbative source of soft photons not associated with the final state hadronic Bremsstrahlung.

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