Discovery of supersymmetry with degenerated mass spectrum
arXiv:hep-ph/0606104 · doi:10.1103/PhysRevD.74.115011
Abstract
Discovery of supersymmetric (SUSY) particles at the Large Hadron Collider(LHC) has been studied for the models where squarks and gluino are much heavier than the lightest supersymetric particle (LSP). In this paper, we investigate the SUSY discovery in the models with degenerated mass spectrum up to m_LSP~0.7 m_sq. Such mass spectrum is predicted in certain parameter region of the mixed modulas anomaly mediation (MMAM) model. We find that the effective transverse mass of the signal for the degenerated parameters shows the distribution similar to that of the background. Experimental sensitivity of the SUSY particles at the LHC therefore depends on the uncertainty of the background in this class of model. We also find that SUSY signal shows an interesting correlation between M_eff and ETmiss which may be used to determine the signal region properly to enhance the S/N ratio even if the sparticle masses are rather degenerated. The structure is universal for the models with new heavy colored particles decaying into visible particles and a stable neutral particle, dark matter.
arXiv comment18 pages, 7 figure, revtex4
References in corpus (28)
- First Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Determination of Cosmological Parameters
- PYTHIA 6.4 Physics and Manual
- PYTHIA 6.2 Physics and Manual
- de Sitter Vacua in String Theory
- HERWIG 6.5: an event generator for Hadron Emission Reactions With Interfering Gluons (including supersymmetric processes)
- ALPGEN, a generator for hard multiparton processes in hadronic collisions
- A Supersymmetry Primer
- Bounds on Universal Extra Dimensions
- MadEvent: Automatic Event Generation with MadGraph
- Physics Interplay of the LHC and the ILC
- Precision SUSY Measurements at LHC
- Bosonic Supersymmetry? Getting Fooled at the LHC
- Phenomenology of the Littlest Higgs with T-Parity
- Supersymmetry, Naturalness, and Signatures at the LHC
- Phenomenology of Mixed Modulus-Anomaly Mediation in Fluxed String Compactifications and Brane Models
- Measurements of Masses in SUGRA Models at LHC
- Bottom-Up Approach to Moduli Dynamics in Heavy Gravitino Scenario : Superpotential, Soft Terms and Sparticle Mass Spectrum
- Distinguishing Spins in Supersymmetric and Universal Extra Dimension Models at the Large Hadron Collider
- SUSY Phenomenology of KKLT Flux Compactifications
- Determining the spin of supersymmetric particles at the LHC using lepton charge asymmetry
- Discovery potential for supersymmetry in CMS
- Supersymmetry and the LHC Inverse Problem
- A New SUSY mass reconstruction method at the CERN LHC
- Measurements in Gauge Mediated SUSY Breaking Models at LHC
- A Detailed Study of the Gluino Decay into the Third Generation Squarks at the CERN LHC
- Measurements in SUGRA Models with Large tan beta at LHC
- Study of the slepton non-universality at the CERN Large Hadron Collider
- Collider and Dark Matter Searches in Models with Mixed Modulus-Anomaly Mediated SUSY Breaking
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- Model-Independent Jets plus Missing Energy Searches
- Varying the Universality of Supersymmetry-Breaking Contributions to MSSM Higgs Boson Masses
- Hunting for the Top Partner in the Littlest Higgs Model with T-parity at the LHC
- Where the Sidewalk Ends: Jets and Missing Energy Search Strategies for the 7 TeV LHC
- Inclusive transverse mass analysis for squark and gluino mass determination
- Beyond the CMSSM without an Accelerator: Proton Decay and Direct Dark Matter Detection
- The Higgs Mass beyond the CMSSM
- Dark matter annihilations into two light fermions and one gauge boson: general analysis and antiproton constraints
- Collider and Dark Matter Phenomenology of Models with Mirage Unification
- Phenomenology of GUT-less Supersymmetry Breaking
- Stop Coannihilation in the CMSSM and SubGUT Models
- Improved discovery of a nearly degenerate model: MUED using MT2 at the LHC
- Axionic Mirage Mediation
- Search for Higgs bosons of the Universal Extra Dimensions at the Large Hadron Collider
- Direct Detection of Dark Matter Degenerate with Colored Particles in Mass
- Likelihood Analysis of the Sub-GUT MSSM in Light of LHC 13-TeV Data
- Natural supersymmetric spectrum in mirage mediation
- Leading QCD Corrections for Indirect Dark Matter Searches: a Fresh Look
- LHC Signature of Mirage Mediation
- Current bounds and future prospects of light neutralino dark matter in NMSSM
- TeV scale partial mirage unification and neutralino dark matter
- Phenomenology of NMSSM in TeV scale mirage mediation
- Implications of different supersymmetry breaking patterns for the spectrum and decay of neutralinos and charginos
- Low-scale Gaugino Mass Unification
- Neutralino and chargino masses and related sum rules beyond MSSM
- New SUSY Fits for the ILC and CLIC
- Colliders and Cosmology
- Supersymmetry at and beyond the LHC
- Relic abundance and detection prospects of neutralino dark matter in mirage mediation