Disentangling the Unparticles with polarized beams at e+e- colliders

Abstract

Recently proposed idea of unparticles arising due to a scale invariant sector in the theory can give rise to effective operators with different Lorentz structures. We show that by using the different polarization options at the future linear e+e- colliders, the nature of these effective operators can be easily understood. The unique feature of a complex phase in the propagator of the unparticle can also be understood uniquely for the different spins by exploiting the initial beam polarizations at the International Linear Collider (ILC).

Minor additions to text. References added. To appear in Phys. Rev. D

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• Unparticle-Induced Lepton Flavor Violating Decays τ^- ->l^- (V^0, ~P^0)
• Decay-lepton correlations as probes of anomalous ZZH and gammaZH interactions in e+e- --> ZH with polarized beams
• Muon Anomalous Magnetic Moment and Lepton Flavor Violating Tau Decay in Unparticle Physics
• Unparticle physics with broken scale invariance
• Unparticles in diphoton production to NLO in QCD at the LHC
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• Use of Transverse polarization to probe R-parity violating supersymmetry at ILC
• Unparticle effects in rare (t -> c g g) decay
• Indian Contributions to LHC Theory
• Probing scalar particle and unparticle couplings in e+ e- -> t tbar with transversely polarized beams
• Unparticle Effects on Top Quark Pair Production at Photon Collider