I Can Ablation of Materials Neutralize In-Flight Atomic Beams?

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Hello! Someone mentioned to me about about a way to produce in flight neutralization of atomic/molecular beams by making the beam pass through a gas of particles produce through ablation (and not use a neutralization cell as it is often done). From my understanding, basically, one has a region where they ablate some material, and the beam of interest passes through the plasma created during the ablation and it gets neutralized. They mentioned it was a group from Japan (not totally sure), but I couldn't find that online. Does anyone know anything about this and point me towards a paper? Thank you!
 
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