Power corrections to the process $\gamma^{*}\gamma \to \pi\pi$ in the running coupling method

Author: Agaev S.   Guidal M.   Pire B.  

Publisher: Springer Publishing Company

ISSN: 1434-6044

Source: The European Physical Journal C - Particles and Fields, Vol.37, Iss.4, 2004-11, pp. : 457-464

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