Neutrinoless Double-Beta Decay

Table 5

Existing methods for isotope separation. The technologies relevant for neutrinoless double-beta decay are indicated in the fourth and in the three last lines.

Method of separation	Energy; (eV/atom)	Status	Production capacity	Scale of price	Special requirements
Electromagnetic	10^6–10^7	Commercial	~100 g/y	High	—
Gas diffusion	3×10^6	Industrial	>tons/y	Medium	Gas compound
Gas nozzle	10^6	Industrial	>tons/y	Medium	Gas compound
Gas centrifuge	3×10^5	Industrial	>tons/y	Low	Gas compound
Rectification	10^2	Industrial	>tons/y	Low	Light elements
Isotope exchange	10^2	Industrial	>tons/y	Low	Light elements
Ion cyclotron resonance	10^3	R&D	~100 kg/y	Medium	—
Atomic vapor laser I.S.	10^2	R&D	>100 kg/y	Medium	—
Molecular laser I.S.	10^2	R&D	>100 kg/y	Medium	—