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The reaction $^{17}$O($n,\alpha$)$^{14}$C was studied at energies from$E_{cm}=0$ to $E_{cm}=350$ keV using the quasi-free deuteron break-up in thethree body reaction $^{17}$O$+d \rightarrow \alpha+ ^{14}$C$+p$, extending theTrojan Horse indirect method (THM) to neutron-induced reactions. It is foundthat the $^{18}$O excited state at $E^*=8.125 \pm 0.002$ MeV observed in THMexperiments is absent in the direct measurement because of its high centrifugalbarrier. The angular distributions of the populated resonances have beenmeasured for the first time. The results unambiguously indicate the ability ofthe THM to overcome the centrifugal barrier suppression effect and to pick outthe contribution of the bare nuclear interaction.

Suppression of the centrifugal barrier effects in the off-energy-shell neutron+$^{17}$O interaction