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Detecting Higgs boson decays to neutralinos at hadron supercolliders

1994/02/10 by H. Baer, Howard Baer, Mike Bisset +5 · 1 citation
Physics and Astronomy · #Black Holes and Theoretical Physics #Boson #Electron #Hadron #Higgs boson #Large Hadron Collider #Lepton #Minimal Supersymmetric Standard Model #Neutralino #Nuclear physics #Observable #Parameter space #Particle physics #Particle physics theoretical and experimental studies #Physics #Production (economics) #Quantum Chromodynamics and Particle Interactions #Quantum mechanics #Standard Model (mathematical formulation) #Statistics #Supersymmetry #hep-ph

paper · pdf · doi:10.1103/physrevd.50.316

published as Phys.Rev. D50 (1994) 316-324 · 15 pages (REVTEX), 7 figures available by regular mail, FSU-HEP-940204, UH-511-781-94

arxiv created 1994/02/10 · openalex publication_date 1994/07/01 · arxiv updated 2009/11/30 · openalex created_date 2016/06/24 · openalex updated_date 2026/08/05

Abstract

We examine prospects for detecting the neutral Higgs bosons of minimal supersymmetric models (MSSM's) when their decays into neutralino pairs are kinematically allowed. The best signature appears to be Hh,Hp\ensuremath→Z\mathrm\ifmmode \else \~\fi2Z\mathrm\ifmmode \else \~\fi2\ensuremath→4l+E/T. We argue that standard model contributions to this signature are negligible, and examine regions of MSSM parameter space where the four lepton mode should be observable at the CERN Large Hadron Collider. The same signal can also come from continuum neutralino pair production. We propose a set of cuts to illustrate that the neutralino decay mode of the Higgs bosons provides a viable signal over a substantial range of model parameters, and show that it may be separable from continuum neutralino production if sufficient integrated luminosity can be accumulated.

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