Muon colliders at 14 TeV with 20 ab^{-1} can set upper limits on BR(t → qZ) at O(10^{-8}), improving on CMS/ATLAS by 2-3 orders via polarized beams and fat-jet reconstruction.
Physics Opportunities with Polarized e- and e+ Beams at TESLA
1 Pith paper cite this work. Polarity classification is still indexing.
abstract
Beam polarization at e+ e- linear colliders will be a powerful tool for high precision analyses. Often it is assumed that the full information from polarization effects is provided by polarization of the electron beam and no further information can be obtained by the simultaneous polarization of the positrons. In this paper we point out the advantages of polarizing both beams, and summarize the polarization-related results of the Higgs, Electroweak, QCD, SUSY and Alternative Theories working groups of the ECFA/DESY workshop for a planned linear collider operating in the energy range sqrt{s}= 500-800 GeV.
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Probing Anomalous $t{\bar q}Z$ Interactions at Muon Colliders
Muon colliders at 14 TeV with 20 ab^{-1} can set upper limits on BR(t → qZ) at O(10^{-8}), improving on CMS/ATLAS by 2-3 orders via polarized beams and fat-jet reconstruction.