Which fraction of the measured cosmic-ray antiprotons might be due to neutralino annihilation in the galactic halo?

Abstract

We analyze the data of low-energy cosmic-ray antiproton spectrum, recently published by the BESS Collaboration, in terms of newly calculated fluxes for secondary antiprotons and for a possible contribution of an exotic signal due to neutralino annihilation in the galactic halo. We single out the relevant supersymmetric configurations and discuss their explorability with experiments of direct search for particle dark matter and at accelerators. We discuss how future measurements with the Alpha Magnetic Spectrometer (AMS) on the Shuttle flight may disentangle the possible neutralino-induced contribution from the secondary one.

25 pages, ReVTeX, 18 figures (high resolution figures available upon request)

References in corpus (1)

• Pinning down neutralino properties from a possible modulation signal in WIMP direct search

Cited by in corpus (78)

• Particle Dark Matter: Evidence, Candidates and Constraints
• DarkSUSY: Computing Supersymmetric Dark Matter Properties Numerically
• Secondary antiprotons and propagation of cosmic rays in the Galaxy and heliosphere
• Antiprotons in cosmic rays from neutralino annihilation
• Positron Propagation and Fluxes from Neutralino Annihilation in the Halo
• Precision Measurement of Cosmic-Ray Antiproton Spectrum
• Antiprotons from spallations of cosmic rays on interstellar matter
• Constraints on WIMP Dark Matter from the High Energy PAMELA $\bar{p}/p$ data
• Quintessence and the Relic Density of Neutralinos
• Antideuterons as a Signature of Supersymmetric Dark Matter
• Minimal Dark Matter: model and results
• Small-scale clumps in the galactic halo and dark matter annihilation
• Minimal Dark Matter predictions for galactic positrons, anti-protons, photons
• The Cosmic-Ray antiproton flux between 3 and 49 GeV
• PAMELA Positron Excess as a Signal from the Hidden Sector
• Cosmic antiprotons as a probe for supersymmetric dark matter?
• Deducing the nature of dark matter from direct and indirect detection experiments in the absence of collider signatures of new physics
• The cosmic ray positron excess and neutralino dark matter
• Successive Measurements of Cosmic-Ray Antiproton Spectrum in a Positive Phase of the Solar Cycle
• Heavy Wino-like Neutralino Dark Matter Annihilation into Antiparticles
• Dark Matter Dynamics and Indirect Detection
• Antiprotons from dark matter annihilation in the Galaxy: astrophysical uncertainties
• Searching for Dark Matter with Future Cosmic Positron Experiments
• Positrons and antiprotons from inert doublet model dark matter
• A novel antimatter detector based on X-ray deexcitation of exotic atoms
• Mirror Matter as Self Interacting Dark Matter
• Updated cosmic-ray and radio constraints on light dark matter: Implications for the GeV gamma-ray excess at the Galactic center
• Antiprotons at Solar Maximum
• Exploring the BWCA (Bino-Wino Co-Annihilation) Scenario for Neutralino Dark Matter
• Low energy antideuterons: shedding light on dark matter
• Indirect signals from light neutralinos in supersymmetric models without gaugino mass unification
• Systematic Investigation of Solar Modulation of Galactic Protons for Solar Cycle 23 using a Monte Carlo Approach with Particle Drift Effects and Latitudinal Dependence
• What Does The PAMELA Antiproton Spectrum Tell Us About Dark Matter?
• Propagation of Cosmic Rays in Heliosphere: the HelMod Model
• The Role of Antimatter Searches in the Hunt for Supersymmetric Dark Matter
• Constraints on particle dark matter from cosmic-ray antiprotons
• Cosmic Positron Signature from Dark Matter in the Littlest Higgs Model with T-parity
• Mixed Wino Dark Matter: Consequences for Direct, Indirect and Collider Detection
• Positrons from particle dark-matter annihilation in the Galactic halo: propagation Green's functions
• Can Supersymmetry Naturally Explain the Positron Excess?
• Limits on Supersymmetric Dark Matter From EGRET Observations of the Galactic Center Region
• Extracting the Gamma Ray Signal from Dark Matter Annihilation in the Galactic Center Region
• Indirect, Direct and Collider Detection of Neutralino Dark Matter
• Direct and Indirect Detection of Neutralino Dark Matter In Selected Supersymmetry Breaking Scenarios
• Neutralinos and the Origin of Radio Halos in Clusters of Galaxies
• Neutralino properties in the light of a further indication of an annual modulation effect in WIMP direct search
• Uncertainties of Cosmic Ray Spectra and Detectability of Antiproton mSUGRA Contributions With PAMELA
• Further investigation of a relic neutralino as a possible origin of an annual-modulation effect in WIMP direct search
• Antiproton fluxes from light neutralinos
• Combining the data of annual modulation effect in WIMP direct detection with measurements of WIMP indirect searches
• Antiproton and Positron Signal Enhancement in Dark Matter Mini-Spikes Scenarios
• Dark Matter as a Guide Toward a Light Gluino at the LHC
• Constraining Supersymmetric Dark Matter With Synchrotron Measurements
• On Dark Matter Annihilation in the Local Group
• Spatial Origin of Galactic Cosmic Rays in Diffusion Models: II- Exotic Primary Cosmic Rays
• SZ effect from Dark Matter annihilation
• Cosmic-ray antiproton constraints on light singlino-like dark matter candidates
• Measurement of the cosmic ray antiproton/proton flux ratio at TeV energies with the ARGO-YBJ detector
• Mixed Higgsino Dark Matter from a Reduced SU(3) Gaugino Mass: Consequences for Dark Matter and Collider Searches
• Kaluza-Klein Dark Matter, Electrons and Gamma Ray Telescopes
• Searching For Dark Matter with Neutrino Telescopes
• Lightest Higgs Boson and Relic Neutralino in the MSSM with CP Violation
• Mixed Higgsino Dark Matter from a Large SU(2) Gaugino Mass
• Antimatter research in Space
• Panglossian Prospects for Detecting Neutralino Dark Matter in Light of Natural Priors
• Astrophysical Uncertainties in the Cosmic Ray Electron and Positron Spectrum From Annihilating Dark Matter
• Diffuse Galactic gamma-rays: constraining cosmic-ray origin and propagation
• Antimatter cosmic rays from dark matter annihilation: First results from an N-body experiment
• Cosmic-ray antiprotons in the AMS-02 era: A sensitive probe of dark matter
• Statistics of Magnification Perturbations by Substructure in the Cold Dark Matter Cosmological Model
• Astrophysical Implications of a Visible Dark Matter Sector from a Custodially Warped-GUT
• Positrons in Cosmic Rays from Dark Matter Annihilations for Uplifted Higgs Regions in MSSM
• Determining Supersymmetric Parameters With Dark Matter Experiments
• Probing Neutralino Resonance Annihilation via Indirect Detection of Dark Matter
• Secondary antiproton flux induced by cosmic ray interactions with the atmosphere
• The HelMod Model in the Works for Inner and Outer Heliosphere: from AMS to Voyager Probes Observations
• Antimatter and Gamma-rays from Dark Matter Annihilation
• Dark Matter Phenomenology: Sterile Neutrino Portal and Gravitational Portal in Extra-Dimensions