2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38116The First results of the Tokyo dark matter search programme using a 21-g lithium fluoride bolometer are presented. The background spectrum was measured in the surface laboratory. We derive an exclusion plot for the spin-dependently coupled Weakly Interacting Massive Particles (WIMPs) cross section.6 pages, 4 figures, LaTeX (elsart.sty)High Energy Physics - Experimenttext