Characterisation and Optimisation of Cryogenic Filament/Droplet Target Systems as well as Application of Cluster-Jet Targets in Plasma PhysicsHYBRID

                                                                 SPECIAL AP-SEMINAR

Internal target systems such as gas-jets, cluster-jets enjoy use in several fields of physics, such as particle physics or plasma physics. Prominent examples are the future MAGIX experiment in Mainz or the future PANDA experiment at GSI. However, these experiments also have great interest in other internal target systems such as the filament target and the droplet target.

For the filament target, a cryogenic fluid, often liquid hydrogen, is forced through a nozzle with an aperture diameter of around 10 microns, thus creating a filament. While this filament can already be used as a target, it can also be processed further. By inducing vibrations in the nozzle via a piezoelectric element, the filament can be broken into droplets, thus allowing the system to also act as a droplet/pellet target. However, due to the small aperture diameter, such systems are often prone to frequent nozzle clogging and thus lower reliability than similar systems, such as a cluster-jet target.

This talk will show how a highly reliable filament target system was developed at the University of Münster and how novel beam manipulation systems can improve its functionality further. Furthermore, research on plasma-based proton acceleration using cluster-jet targets is shown, demonstrating how these targets might have an even larger role to play in the future.

https://gsi-fair.zoom.us/j/63856816325
Meeting-ID: 638 5681 6325
Passcode: AP_Seminar
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