Direct search of dark matter in high-scale supersymmetry

Junji Hisano, Koji Ishiwata, and Natsumi Nagata
Phys. Rev. D 87, 035020 – Published 15 February 2013

Abstract

We study direct detection of dark matter in a supersymmetric model where most supersymmetric particles have very high-scale masses beyond the weak scale. In the scenario, a Wino-like or a Higgsino-like neutralino is a good candidate for the dark matter in the Universe. The neutralino scatters off nuclei by a Higgs boson exchange diagram and also electroweak loop diagrams. It is found that the elastic-scattering cross section with nuclei is enhanced or suppressed due to constructive or deconstructive interference among the diagrams. Such a cross section is within the reach of future experiment in some parameter region.

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  • Received 29 October 2012

DOI:https://doi.org/10.1103/PhysRevD.87.035020

© 2013 American Physical Society

Authors & Affiliations

Junji Hisano1,2, Koji Ishiwata3, and Natsumi Nagata1,4

  • 1Department of Physics, Nagoya University, Nagoya 464-8602, Japan
  • 2Kavli Institute for the Physics and Mathematics of the Universe, University of Tokyo, Kashiwa 277-8584, Japan
  • 3California Institute of Technology, Pasadena, California 91125, USA
  • 4Department of Physics, University of Tokyo, Tokyo 113-0033, Japan

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Issue

Vol. 87, Iss. 3 — 1 February 2013

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