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Directionality from anisotropic phonon production in solid state dark matter detection

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We present results from computer simulations of the events immediately following the scattering of a dark matter particle off a nucleus in a crystal detector. Our simulations show that with NaF as the target, the recoil produces solitary waves that decay slowly, resulting in a narrow wake of phonons. The phonon wake allows a determination of direction of the nuclear recoil.

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More, T., Maris, H.J. Directionality from anisotropic phonon production in solid state dark matter detection. J Low Temp Phys 93, 387–392 (1993). https://doi.org/10.1007/BF00693449

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  • Solid State
  • Computer Simulation
  • Dark Matter
  • Magnetic Material
  • Solitary Wave