Breakdown of Conventional Factorization for Isolated Photon Cross Sections
Edmond L. Berger, Xiaofeng Guo, Jianwei Qiu
Abstract
Using e+e-→γ+ X as an example, we show that the conventional factorization theorem in perturbative quantum chromodynamics breaks down for isolated photon cross sections in a well defined part of phase space. Implications and physical consequences are discussed.
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