Unparticle signals with a few particles

Details Unparticle signals with a few particles Unparticle signals with a few particles

2008-08-29

arxiv.org/abs/0808.4075v2

JHEP 0901:011,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, 8 figures. References added. Modified title and minor changes to match published version

Scientific paper

10.1088/1126-6708/2009/01/011

We use Pade approximants to systematically approximate scalar unparticle propagators and their associated phase factors by a finite number of ordinary particles. This is possible for conformal dimensions 12 if we add local terms. A small number of particles can, in some cases, mimic unparticle signals. We also discuss how the approximants capture basic unparticle properties.

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