called the saxion or dilaton. They are all bundled up in a chiral superfield. The axino has been predicted to be the lightest supersymmetric particle in such a model. In part due to this property, it is considered a candidate for dark matter. See also List of hypothetical particles Weakly Interacting Slender Particle Footnotes References Sources External links Bosons Dark matter Astroparticle physics Hypothetical elementary particles Subatomic particles with spin 0 Physics beyond the Standard Model Astrophysics Quantum chromodynamics