Dark Matter Detection With Electron Neutrinos in Liquid Scintillation Detectors

Abstract

We consider the prospects for liquid scintillation experiments (with a focus on KamLAND) to detect the flux of electron neutrinos arising from dark matter annihilation in the core of the sun. We show that, with data already taken, KamLAND can provide the greatest sensitivity to the dark matter-proton spin-dependent scattering cross-section for dark matter lighter than 20 GeV. It is also possible to probe the dark matter-nucleon spin-independent scattering cross-section for isospin-violating dark matter lighter than 10 GeV. KamLAND can thus potentially confirm the dark matter interpretation of the DAMA and CoGeNT signals, utilizing data already taken.

5 pages, 4 figures, PDFLaTeX; v2: references added, figures updated, more detailed comparison of liquid scintillation and water Cerenkov detectors (journal version)

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• Dark Matter Searches for Monoenergetic Neutrinos Arising from Stopped Meson Decay in the Sun
• Enhanced Sensitivity to Dark Matter Self-annihilations in the Sun using Neutrino Spectral Information
• New Constraints on Isospin-Violating Dark Matter
• Potential of a Neutrino Detector in the ANDES Underground Laboratory for Geophysics and Astrophysics of Neutrinos
• Sensitivity of a low threshold directional detector to CNO-cycle solar neutrinos
• Implications of the latest XENON100 and cosmic ray antiproton data for isospin violating dark matter
• Neutrino Probes of the Nature of Light Dark Matter
• Probing the Dark Matter mass and nature with neutrinos
• Prospects for higgsino-singlino dark matter detection at IceCube and PINGU
• Downward-going tau neutrinos as a new prospect of detecting dark matter
• Tau neutrinos from ultracompact dark matter minihalos and constraints on the primordial curvature perturbations
• Direct and indirect constraints on isospin-violating dark matter
• Constraining dark matter capture and annihilation cross sections by searching for neutrino signature from the Earth core
• Isospin-Violating Dark Matter Benchmarks for Snowmass 2013
• Probing Isospin-Violating Dark Matter
• Monoenergetic Neutrinos From Dark Matter Annihilation: Issues of Exposure