Unparticle searches through gamma-gamma scattering
Özet
We investigate the effects of unparticles on γγ →γγ scattering for the photon collider mode of the future multi-TeV e+e- linear collider. We show the effects of unparticles on the differential, and total scattering cross sections for different polarization configurations. Considering 1-loop standard model background contributions from the charged fermions and W± bosons to the cross section, we calculate the upper limits on the unparticle couplings λ0 to the photons for various values of the scaling dimension d (1<d<2) at √ s = 0.5-5 TeV. © Springer-Verlag / Società Italiana di Fisica 2008.
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