JW

Parity Violation in Composite Inelastic Dark Matter Models

Phys. Rev. D 82 (2010) 055023

Shows that higher-dimensional operators in composite inelastic dark matter introduce parity violation, creating an admixture of inelastic and elastic scattering channels consistent with direct detection experiments even at near-maximal parity violation.

Composite Inelastic Dark Matter

Phys. Lett. B 692 (2010) 323-326

Proposes that the DAMA annual modulation signal arises from hyperfine transitions of composite dark matter, a meson from a QCD-like hidden sector whose spin-spin interactions produce the O(100 keV) mass splitting required for inelastic scattering.