Basic ingredients of the experiment
I. \(U_{cd}\) scan @ \(p_{H_2}=10 \mathrm{mPa}\) & \(U_{B}=600\mathrm{V}\) (from #11601 to #11609)
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II. \(p_{H_2}\) scan @ \(U_{cd}=250 \mathrm{V}\) & \(U_{B}=600\mathrm{V}\) (from #11610 to #11623)
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III. \(U_{cd}\) scan @ \(p_{H_2}=5 \mathrm{mPa}\) & \(U_{B}=600\mathrm{V}\) (from #11628 to #11636)
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GolSQL summary

link to GolSQL
Avalanche phase of breakdown – ionization length - MW versus Electron emission gun preionization

data, script