Backgound Gluon Effects on B -> X_s gamma gamma

Details Backgound Gluon Effects on B -> X_s gamma gamma Backgound Gluon Effects on B -> X_s gamma gamma

1998-02-23

arxiv.org/abs/hep-ph/9802403v1

Phys.Rev.D58:034011,1998

Physics

High Energy Physics

High Energy Physics - Phenomenology

12 pages Plain TeX. 5 figures

Scientific paper

10.1103/PhysRevD.58.034011

We consider non-perturbative QCD effects on the energy spectrum of either one of the photons in B -> X_s gamma gamma. These are due to the subprocesses in which a charm quark loop interacts with a self-consistently produced background static QCD field. The magnitude is estimated to be a few percents in B -> X_s gamma gamma, but can be quite substantial in B_s -> gamma gamma. An extension of the Euler-Heisenberg Lagrangian is given.

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