R-axion detection at LHC

Details R-axion detection at LHC R-axion detection at LHC

2008-10-31

arxiv.org/abs/0810.5773v3

JHEP 0903:049,2009

Physics

High Energy Physics

High Energy Physics - Phenomenology

20 pages, 4 figures, minor corrections, references added

Scientific paper

10.1088/1126-6708/2009/03/049

Supersymmetric models with spontaneously broken approximate R-symmetry contain a light spin 0 particle, the R-axion. The properties of the particle can be a powerful probe of the structure of the new physics. In this paper, we discuss the possibilities of the R-axion detection at the LHC experiments. It is challenge to observe this light particle in the LHC environment. However, for typical values in which the mass of the R-axion is a few hundred MeV, we show that those particles can be detected by searching for displaced vertices from R-axion decay.

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