4.7 Article

Towards a direct detection of the spin of dark matter

Journal

PHYSICS LETTERS B
Volume 842, Issue -, Pages -

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ELSEVIER
DOI: 10.1016/j.physletb.2023.137956

Keywords

Dark matter; Higher spin; Supersymmetry

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We investigate the contribution of higher spin particles in the signal of direct detection searches for dark matter. We consider a bosonic or fermionic higher spin dark matter (HSDM) candidate which interacts with the Standard Model via a dark U(1) mediator. For a particular subclass of interactions, spin-polarized targets may be used for spin determination, while the recoil energy dependence of the signal determines the spin.
We investigate the contribution of higher spin particles in the signal of direct detection searches for dark matter. We consider a bosonic or fermionic higher spin dark matter (HSDM) candidate which interacts with the Standard Model via a dark U(1) mediator. For a particular subclass of interactions, spin-polarized targets may be used for spin determination: The angular dependence of scatterings can distinguish integer (spin -s) vs. half-integer (spin -s + 1/2), while the recoil energy dependence of the signal determines s. We consider also the signal of a supersymmetric higher spin dark sector, which suggests a characteristic signal (SUSY Rilles) for directional direct detection.& COPY; 2023 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons .org /licenses /by /4 .0/). Funded by SCOAP3.

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