Dresden 2017 – scientific programme

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AKBP: Arbeitskreis Beschleunigerphysik

AKBP 3: Particle Sources

AKBP 3.2: Talk

Tuesday, March 21, 2017, 15:15–15:30, MOL 213

Status and Perspectives of the S-DALINAC Polarized-electron Injector* — •Maximilian Herbert, Joachim Enders, Martin Espig, Yuliya Fritzsche, Neeraj Kurichiyanil, and Markus Wagner — Institut für Kernphysik, Technische Universität Darmstadt, Schlossgartenstraße 9, 64289 Darmstadt

The S-DALINAC Polarized Injector (SPIn) uses GaAs photocathodes to provide pulsed and/or polarized electron beams for nuclear-structure investigations. Recently, a test facility for Photo-Cathode Activation, Test and Cleaning using atomic-Hydrogen (Photo-CATCH) has been developed. This setup uses an inverted insulator geometry. Currently, tests and optimizations are conducted at Photo-CATCH in order to implement the inverted design at SPIn. This talk will present the current status of Photo-CATCH, the planned upgrade of SPIn (aimed at an operational voltage of 200 kV) and future measurements.

*Work supported by DFG through GRK 2128 and SFB 1245