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We consider low-energy tests of low-scale leptogenesis based on the type Iseesaw scenario with three right-handed singlet neutrinos $\nu_{l R}$. In thisscenario, successful leptogenesis is possible for quasi-degenerate in massheavy Majorana neutrinos $N_{1,2,3}$, $M_{1,2,3}\cong M$, $|M_j - M_i|\ll M$,$i\neq j = 1,2,3$, heavy Majorana neutrino masses $M \sim (0.05 - 5\times10^5)$ GeV, and $N_j$ charged current and neutral current weak interactioncouplings as large as $\mathcal{O}(10^{-2})$. We derive the constraints on thecorresponding leptogenesis parameter space from the existing data fromlow-energy experiments, including the limits from the experiments on $\mu\rightarrow e \gamma$ decay and on the rate of $\mu - e$ conversion in gold. Weshow also that the planned and upcoming experiments on charged lepton flavourviolation with $\mu^\pm$, MEG II on the $\mu \rightarrow e\gamma$ decay, Mu3eon $\mu \rightarrow eee$ decay, Mu2e and COMET on $\mu - e$ conversion inaluminium and PRISM/PRIME on $\mu - e$ conversion in titanium, can probesignificant region of the viable leptogenesis parameter space, and thus have apotential for a discovery. Experiments on $\tau \to eee(\mu\mu\mu)$ and $\tau\to e(\mu)\gamma$ decays (e.g., BELLE II) also can probe a part of theleptogenesis parameter space, although a relatively small one.

Tests of Low-Scale Leptogenesis in Charged Lepton Flavour Violation Experiments