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Abstract: We examine a scenario where the new physics at the LHC includes anapproximate conformal field theory, where some of the degrees of freedom aka-unparticles- carry a color charge.
We present a simple argument showing thatthe production cross section for scalar unparticles mediated by a gaugeinteraction is given by 2-d times the standard particle expression, where dis the scaling dimension of the unparticle field.
We explicitly check that thisis indeed the case, which involves non trivial cancellations between differentFeynman diagrams, for the process q qbar to scalar unparticles.



Autor: Giacomo Cacciapaglia, Guido Marandella, John Terning

Fuente: https://arxiv.org/



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