Collider signals in unparticle physics

Details Collider signals in unparticle physics Collider signals in unparticle physics

2007-04-19

arxiv.org/abs/0704.2588v3

Phys.Rev.Lett.99:051803,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

4 pages including 4 figures

Scientific paper

10.1103/PhysRevLett.99.051803

Phenomenology of the notion of an unparticle U, recently perceived by Georgi, to describe a scale invariant sector with a non-trivial infrared fixed point at a higher energy scale is explored in details. Behaving like a collection of d_U (the scale dimension of the unparticle operator O_U) invisible massless particles, this unparticle can be unveiled by measurements of various energy distributions for the processes Z to fermion pair + U and e-e+ to gamma U at e-e+ colliders, as well as mono-jet production at hadron colliders. We also study the propagator effects of the unparticle through the Drell-Yan tree level process and the one-loop muon anomaly.

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