• Saurabh D Raindani

      Articles written in Pramana – Journal of Physics

    • Lepton distribution in top decay: A probe of new physics and top-polarization

      Rohini M Godbole Saurabh D Raindani Ritesh K Singh

      More Details Abstract Fulltext PDF

      We investigate the possibilities of studying new physics in various processes of 𝑡-quark production using kinematical distributions of the secondary lepton coming from decay of 𝑡 quarks. We show that the angular distributions of the secondary lepton are insensitive to the anomalous $tbW$ vertex and hence are pure probes of new physics in a generic process of 𝑡-quark production. The effects of 𝑡 polarization on the distributions of the decay lepton are demonstrated for top-pair production process at a $\gamma \gamma$-collider mediated by a heavy Higgs boson.

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