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Search for Charged Higgs in Top Quark Decays at CDF

Geumbong Yu, Pyungwon Ko, Deog Ki Hong

Open publisher page 8 citations

Abstract

We present a direct search result for a charged Higgs boson in lepton+jets tt̄ events using 2.2 fb−1 data collected by CDF II detector. The charged Higgs boson is predicted to decay into cs̄ in low tan β in the MSSM if its mass is smaller than the top quark. Looking for a second peak from the di‐jet invariant mass in decays of top quark, there is observed no evidence of anomalous boson. We place the upper limits on the br(t→H+b) = 0.1∼0.3 with 95% C.L. depending on the charged Higgs mass.

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What this paper is about

We present a direct search result for a charged Higgs boson in lepton+jets tt̄ events using 2.2 fb−1 data collected by CDF II detector. The charged Higgs boson is predicted to decay into cs̄ in low tan β in the MSSM if its mass is smaller than the top quark. Looking for a second peak from the di‐jet invariant mass in decays of top quark, there is observed no evidence of anomalous boson. We place the upper limits on the br(t→H+b) = 0.1∼0.3 with 95% C.L. depending on the charged Higgs mass.

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Available abstract

We present a direct search result for a charged Higgs boson in lepton+jets tt̄ events using 2.2 fb−1 data collected by CDF II detector. The charged Higgs boson is predicted to decay into cs̄ in low tan β in the MSSM if its mass is smaller than the top quark. Looking for a second peak from the di‐jet invariant mass in decays of top quark, there is observed no evidence of anomalous boson. We place the upper limits on the br(t→H+b) = 0.1∼0.3 with 95% C.L. depending on the charged Higgs mass.

Key concepts: Physics, Particle physics, Higgs boson, Top quark, Lepton, Invariant mass, Nuclear physics, Boson

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