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hep-ph2008
Two Photon Distribution Amplitudes
M. El Beiyad, B. Pire, L. Szymanowski +1
The factorization of the amplitude of the process gamma* gamma -> gamma gamma in the low energy and high photon virtuality region is demonstrated at the Born order and in the leadi…
hep-ph2008★ 13 cited
Diphoton Generalized Distribution Amplitudes
M. El Beiyad, B. Pire, L. Szymanowski +1
We calculate the leading order diphoton generalized distribution amplitude by calculating the amplitude of the process gamma* gamma -> gamma gamma in the low energy and high photon…