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Unparticle signals with a few particles

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arxiv 0808.4075 v2 pith:YLOEO3QR submitted 2008-08-29 hep-ph

Manuel Perez-Victoria This is my paper · ORCID
classification hep-ph
keywords unparticleparticlesapproximantsnumbersignalsapproximateassociatedbasic
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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 1<d<2, and also for d>2 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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