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• Configuration for scanning drift tube apparatus: DC power; low pressure; non-thermal; ultraviolet laser light pulse: 1.7 µJ, 5 ns; cathode diameter: 105 mm; detector-mesh distance: 1 mm; drift length: 7.8 to 58.3 mm; reduced electric field (E/N): 1 to 1790 Td; base pressure: ~1 x 10^-7 mbar; working gas pressure: 5 to 1000 Pa; gas temperature: 293.15 K; averaging: 20000 to 150000 pulses 
• Configuration for scanning drift tube apparatus: Time-of-flight (TOF) experiment; ultraviolet laser light pulse (1.7 µJ, 5 ns) triggered electron generation on Mg disk used as photoemitter; Mg disk placed at the centre of a stainless steel electrode with 105 mm diameter serving as cathode; detector consisting of a grounded nickel mesh and stainless steel electrode 1 mm behind it; drift length between 7.8 to 58.3 mm; reduced electric field range (E/N) between 1 and 1790 Td 
• Configuration for scanning drift tube apparatus: Time-of-flight (TOF) experiment; ultraviolet laser light pulse: 1.7 µJ, 5 ns; cathode: Mg disk on a stainless steel electrode with 105 mm diameter; detector: grounded nickel mesh and stainless steel electrode 1 mm behind it; drift length: 7.8 to 58.3 mm; reduced electric field (E/N): 1 to 1790 Td; base pressure: ~1 x 10^-7 mbar; working gas pressure: 5 to 1000 Pa; averaging: 20000 to 150000 pulses 
• Configuration for scanning drift tube apparatus: ultraviolet laser light pulse (1.7 µJ, 5 ns); stainless steel electrode with 105 mm diameter serving as cathode; detector consisting of a grounded nickel mesh and stainless steel electrode 1 mm behind it; drift length between 7.8 to 58.3 mm; reduced electric field range (E/N) between 2 and 1603 Td; vacuum level of about 1 x 10^-7 mbar; sub-ns time resolution recording; averaging over 20000 to 150000 pulses