期刊
EUROPEAN PHYSICAL JOURNAL C
卷 56, 期 2, 页码 279-285出版社
SPRINGER
DOI: 10.1140/epjc/s10052-008-0658-7
关键词
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We investigate the effects of unparticles on gamma gamma -> gamma gamma 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 lambda(0) to the photons for various values of the scaling dimension d (1 < d < 2) at root s = 0.5-5 TeV.
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