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Observability of the heavy neutral SUSY Higgs bosons decaying into neutralinos at the LHC

Abstract : A prospective study for the observability of heavy neutral Higgs bosons decaying into supersymmetric particles at the Large Hadron Collider with the CMS detector is presented. The analysis focuses on the decay of the Higgs bosons into a pair of next-to-lightest neutralinos χ02, followed by the cascade down to the lightest neutralino, χ02 → l+l-χ01. The final state is characterized by the presence of four isolated leptons and missing transverse energy. The parameter space of the minimal supergravity model is explored and favourable regions for the observation of the A0/H0 bosons are identified. The A0/H0 bosons could be discovered in the 2e2μ channel in the mass region 250 lesssim mA/H lesssim 400 GeV/c2 with an integrated luminosity of 30 fb-1.
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http://hal.in2p3.fr/in2p3-00128691
Contributor : Dominique Girod <>
Submitted on : Friday, February 2, 2007 - 11:45:38 AM
Last modification on : Saturday, June 20, 2020 - 4:40:03 PM

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C. Charlot, R. Salerno, Y. Sirois. Observability of the heavy neutral SUSY Higgs bosons decaying into neutralinos at the LHC. Journal of Physics G: Nuclear and Particle Physics, IOP Publishing, 2007, 34, pp.N1-N12. ⟨10.1088/0954-3899/34/1/N01⟩. ⟨in2p3-00128691⟩

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