Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-12-27
Phys.Rev. D66 (2002) 116009
Physics
High Energy Physics
High Energy Physics - Phenomenology
16 pages, latex2e, 5 figures. Version to appear in Phys.Rev.D
Scientific paper
10.1103/PhysRevD.66.116009
We study 4D QED in which one spatial dimension is dynamically generated from 3D action, following the mechanism proposed by Arkani-Hamed, Cohen and Georgi. In this model, the generated fourth dimension is discretized by an interval parameter $a$. We examine the phenomenological constraint on the parameter $a$ coming from the collider experiments on the QED process $e^+ e^- \to \gamma \gamma$. It is found that the LEP2 experiments give the constraint of $1/a \simgt 461\gev$. Expected bound on the same parameter $a$ at the future $e^+ e^-$ linear collider is briefly discussed.
Cho Gi-Chol
Izumi Etsuko
Sugamoto Akio
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