Scaling and enhancement of non-thermal line emission on z to hν ∼ 22 kev - Ampleford, DJ; Hansen, SB; Jennings, CA; Jones, B; Webb, TC; Harper-Slaboszewicz, V; Cuneo, ME; Rochau, GA; Coverdale, CA; Harvey-Thompson, AJ; Sinars, DB; Moore, JK; et al. (2015)