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Anapole dark matter at the LHC

Yu Gao1,2,*, Chiu Man Ho3,4,†, and Robert J. Scherrer3,‡

  • 1Department of Physics, University of Oregon, Eugene, Oregon 97403, USA
  • 2Department of Physics and Astronomy, Texas A&M University, College Station, Texas 77843, USA
  • 3Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235, USA
  • 4Department of Physics and Astronomy, Michigan State University, East Lansing, Michigan 48824, USA

  • *yugao@physics.tamu.edu
  • †cmho@msu.edu
  • ‡robert.scherrer@vanderbilt.edu
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Phys. Rev. D 89, 045006 – Published 12 February, 2014

DOI: https://doi.org/10.1103/PhysRevD.89.045006

Abstract

The anapole moment is the only allowed electromagnetic moment for Majorana fermions. Fermionic dark matter acquiring an anapole can have a standard thermal history and be consistent with current direct detection experiments. In this paper, we calculate the collider monojet signatures of anapole dark matter and show that the current LHC results exclude anapole dark matter with mass less than 100 GeV, for an anapole coupling that leads to the correct thermal relic abundance.

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Phys. Rev. D 89, 045006– Published 12 February, 2014
  • Received 6 December 2013

© 2014 American Physical Society

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