Filtering Out Signals of Gauge-Mediated Supersymmetry Breaking: Can We Always Eliminate Conventional Supersymmetric Effects ?

Abstract

We investigate the signal $\gamma \gamma$ + missing energy in a high-energy linear $e^{+}{e}^{-}$ collider, with a view to differentiating between gauge-mediated supersymmetry breaking and the conventional supersymmetric models. Prima facie, there is considerable chance of confusion between the two scenarios if the assumption of gaugino mass unification is relaxed. We show that the use of polarized electron beams enables one to distinguish between the two schemes in most cases. There are some regions in the parameter space where this idea does not work, and we suggest some additional methods of distinction. We also perform an analysis of some signals in the gauge-mediated model, coming from the pair production of the second-lightest neutralino.

LaTex, 23 pages including 5 figures. Revised version to be publishd in Physical Review D. Some minor changes were made

References in corpus (21)

• Cosmology of Supersymmetric Models with Low-energy Gauge Mediation
• Large tan beta in Gauge-Mediated SUSY-Breaking Models
• A Model of Direct Gauge Mediation
• Building Models Of Gauge Mediated Supersymmetry Breaking Without A Messenger Sector
• Signals for gauge-mediated supersymmetry breaking models at the CERN LEP2 collider
• Messenger sneutrinos as cold dark matter
• Gauge-mediated SUSY Breaking at an Intermediate Scale
• New Mechanisms of Gauge-Mediated Supersymmetry Breaking
• A Simple Complete Model of Gauge-Mediated SUSY-Breaking and Dynamical Relaxation Mechanism for Solving the mu-Problem
• Low-Energy Signals for a Minimal Gauge-Mediated Model
• A new signature for gauge mediated supersymmetry breaking
• Experimental Search for Chargino and Neutralino Production in Supersymmetry Models with a Light Gravitino
• A More Minimal Messenger Model of Gauge-Mediated Supersymmetry Breaking?
• Strongly Coupled Messenger Gauge Theory
• Scalar tau Signal at LEP 2 in models with Gauge Mediated Supersymmetry Breaking
• Light-Gravitino Production at Hadron Colliders
• Gauge-Mediated Supersymmetry Breaking without Fundamental Singlets
• Probing Gauge-Mediated Supersymmetry Breaking Through Polarized Electron Beams in an $e^{+}{e}^{-}$ Collider
• Supersymmetry Breaking Without A Messenger Sector
• Effective Messenger Sector from Dynamical Supersymmetry Breaking
• Testing Gauge-Gravitino Coupling in Gauge-Mediated Supersymmetry Breaking Through Single Photon Events

Cited by in corpus (4)

• Radiative decay of the lightest neutralino in an R-parity violating supersymmetric theory
• Multilepton signatures of gauge mediated SUSY breaking at LEPII
• Multi-photon signal in supersymmetry comprising non-pointing photon(s) at the LHC
• Indian Contributions to LHC Theory