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μτ production at hadron colliders
Han, Tao Lewis, Ian M. Sher, Marc
Han, Tao
Lewis, Ian M.
Sher, Marc
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Abstract
Motivated by large νμ−ντ flavor mixing, we consider μτ production at hadron colliders via dimension-6 effective operators, which can be attributed to new physics in the flavor sector at a higher scale Λ. Current bounds on many of these operators from low energy experiments are very weak or nonexistent, and they may lead to clean μ+τ− and μ−τ+ signals at hadron colliders. At the Tevatron with 8 fb−1, one can exceed current bounds for most operators, with most 2σ sensitivities being in the 6 − 24 TeV range. We find that at the LHC with 1 fb−1 (100 fb−1) integrated luminosity, one can reach a 2σ sensitivity for Λ ∼ 3−10 TeV (Λ ∼ 6−21 TeV), depending on the Lorentz structure of the operator. For some operators, an improvement of several orders of magnitude in sensitivity can be obtained with only a few tens of pb−1 at the LHC.
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Date
2010-03-10
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Scuola Internazionale Superiore di Studi Avanzati
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Keywords
Beyond standard model, Hadronic colliders
Citation
Han, T., Lewis, I. & Sher, M., μτ production at hadron colliders, J. High Energ. Phys. (2010) 2010: 90. doi:10.1007/JHEP03(2010)090