Shedding Light on the Dark Sector with Direct WIMP Production

Abstract

A Weakly Interacting Massive Particle (WIMP) provides an attractive dark matter candidate, and should be within reach of the next generation of high-energy colliders. We consider the process of direct WIMP pair-production, accompanied by an initial-state radiation photon, in electron-positron collisions at the proposed International Linear Collider (ILC). We present a parametrization of the differential cross section for this process which conveniently separates the model-independent information provided by cosmology from the model-dependent inputs from particle physics. As an application, we consider two simple models, one supersymmetric, and another of the "universal extra dimensions" (UED) type. The discovery reach of the ILC and the expected precision of parameter measurements are studied in each model. In addition, for each of the two examples, we also investigate the ability of the ILC to distinguish between the two models through a shape-discrimination analysis of the photon energy spectrum. We show that with sufficient beam polarization the alternative model interpretation can be ruled out in a large part of the relevant parameter space.

21 pages, 9 figures

References in corpus (21)

• Five-Year Wilkinson Microwave Anisotropy Probe (WMAP) Observations: Cosmological Interpretation
• Using Subsystem MT2 for Complete Mass Determinations in Decay Chains with Missing Energy at Hadron Colliders
• KK Parity in Warped Extra Dimension
• Quantum Zeno effect and the impact of flavor in leptogenesis
• Dark Matter and Electroweak Symmetry Breaking in Models with Warped Extra Dimensions
• Lorentz-CPT violation, radiative corrections and finite temperature
• Spinless photon dark matter from two universal extra dimensions
• A General Method for Model-Independent Measurements of Particle Spins, Couplings and Mixing Angles in Cascade Decays with Missing Energy at Hadron Colliders
• Discriminating spin through quantum interference
• Determining the WIMP mass using the complementarity between direct and indirect searches and the ILC
• Discovery potential of radiative neutralino production at the ILC
• Connecting LHC, ILC, and Quintessence
• Testing Gluino Spin with Three-Body Decays
• The Role of Beam polarization for Radiative Neutralino Production at the ILC
• The Impact of BeamCal Performance at Different ILC Beam Parameters and Crossing Angles on \tilde{tau} searches
• Radiative Neutralino Production in Low Energy Supersymmetric Models
• General Features of Supersymmetric Signals at the ILC: Solving the LHC Inverse Problem
• Model Discrimination at the LHC: a Case Study
• WIMP Searches at the ILC using a model-independent Approach
• Associated Photons and New Physics Signals at Linear Colliders
• Polarization aspects in radiative neutralino production

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