QCD Effects on e^+e^-→μ^+μ^-X
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概要
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QCD effects on the process e^+e^-⇾γ*(q^2)X⇾μ^+μ^-X are calculated. In the non-resonant (continuum) region for q^^~^2, there exists a kinematical region where the virtual photon with momentum q^^~ is dominantly emitted directly from the quark. Fragmentation functions of the quark and the gluon to the photon depend not only on q^2 but also on q^^~^2 and more detailed test of QCD effects can be made in this process than in the case of the real photon production. The fragmentation functions are calculated and their dependence on q^2, q^^~^2 and Λ is predicted. Some possible background processes to the direct emission are discussed.
- 理論物理学刊行会の論文
- 1982-06-25
著者
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Tanaka Hidekazu
Department Of Earth And Planetary Sciences Faculty Of Science Tokyo Institute Of Technology
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Tanaka Hidekazu
Department Of Physics Hiroshima University
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