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Abstract: In an exact conformal theory there is no particle. The excitations havecontinuum spectra and are called -unparticles- by Georgi. We considersupersymmetric extensions of the Standard Model with approximate conformalsectors. The conformal symmetry is softly broken in the infrared whichgenerates a gap. However, the spectrum can still have a continuum above the gapif there is no confinement. Using the AdS-CFT correspondence this can beachieved with a soft wall in the warped extra dimension. When supersymmetry isbroken the superpartners of the Standard Model particles may simply be acontinuum above gap. The collider signals can be quite different from thestandard supersymmetric scenarios and the experimental searches for thecontinuum superpartners can be very challenging.



Author: Hsin-Chia Cheng

Source: https://arxiv.org/



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