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In $e^+e^-$ collisions, transverse beam polarization can be a useful tool instudying the properties of particles associated with new physics beyond theStandard Model(SM). However, unlike in the case of measurements associated withlongitudinal polarization, the formation of azimuthal asymmetries used to probethis physics in the case of transverse polarization requires both $e^\pm$ beamsto be simultaneously polarized. In this paper we discuss the further use oftransverse polarization as a probe of new physics models at a high energy,$\sqrt s=3$ TeV version of CLIC. In particular, we show ($i$) how measurementsof the sign of these asymmetries is sufficient to discriminate the productionof spin-0 supersymmetric states from the spin-1/2 Kaluza-Klein excitations ofUniversal Extra Dimensions. Simultaneously, the contribution to this asymmetryarising from the potentially large SM $W^+W^-$ background can be madenegligibly small. We then show ($ii$) how measurements of such asymmetries andtheir associated angular distributions on the peak of a new resonant $Z'$-likestate can be used to extract precision information on the $Z'$ couplings to theSM fermions.

Transverse Beam Polarization as an Alternate View into New Physics at CLIC