Colored Unparticles
High Energy Physics - Phenomenology
2008-11-26 v1
Abstract
We examine a scenario where the new physics at the LHC includes an approximate conformal field theory, where some of the degrees of freedom (aka "unparticles") carry a color charge. We present a simple argument showing that the production cross section for scalar unparticles mediated by a gauge interaction is given by (2-d) times the standard particle expression, where d is the scaling dimension of the unparticle field. We explicitly check that this is indeed the case, which involves non trivial cancellations between different Feynman diagrams, for the process q qbar to scalar unparticles.
Cite
@article{arxiv.0708.0005,
title = {Colored Unparticles},
author = {Giacomo Cacciapaglia and Guido Marandella and John Terning},
journal= {arXiv preprint arXiv:0708.0005},
year = {2008}
}
Comments
11 pages, 1 figure