 He contributed to development of the scintillation chamber, optical spark chamber, and the ionization calorimeter for hadron energy measurement.He participated in experiments on hadron cross-sections as well as elastic and inelastic scattering and production of particles, dimuons, neutrinos, and proton charm production.Since 1983, Jones has participated in the L3 experiment led by his former student and Nobel laureate, Samuel C.C.