Research

Specifications

ZaP-HD apparatus

Prof. Shumlak with ZaP-HD apparatus and ZaP group

Prof. Shumlak and Jon Weed with ZaP-HD apparatus

Prof. Shumlak with ZaP apparatus and researchers

Apparatus Dimensions and Properties
Accelerator Length: 100 cm
Inner Electrode Outer Diameter: 10 cm
Accelerator Outer Electrode Inner Diameter: 15 cm
Assembly Region Outer Electrode Inner Diameter: 20 cm
Bakeability: 200° C
Wall Material: W-sprayed Stainless Steel

Experiment Conditions
Gases Used: hydrogen, helium, methane or xenon
Base Pressure: 1e-8 Torr
Total Pulse Duration: 0.1 ms

Pinch Properties
Diameter: 0.5 cm
Length: 50 cm
Peak Current: 200 kA
Density: 1e23 - 1e24 m-3
Electron/Ion Temperature: 200 - 1000 eV
Magnetic Field Strength: 1 - 9 T
Pinch Duration: 20 - 40 μs

ZaP Parameters

Apparatus Dimensions and Properties
Accelerator Length: 100 cm
Inner Electrode Outer Diameter: 10 cm or 15 cm
Outer Electrode Inner Diameter: 20 cm
Bakeability: 200° C
Wall Material: W-sprayed Cu
Wall Conditioning: He glow

Experiment Conditions
Gases Used: typically hydrogen, sometimes helium, methane or xenon
Base Pressure: 1e-8 Torr
Total Pulse Duration: 0.1 ms

Pinch Properties
Diameter: 2 cm
Length: 50, 100, or 130 cm
Peak Current: 450 kA
Density: 1e22 - 1e23 m-3
Electron/Ion Temperature: 50 - 100 eV
Magnetic Field Strength: 1 - 2 T
Pinch Duration: 30 - 70 μs