Münster 2011 – wissenschaftliches Programm
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HK: Fachverband Physik der Hadronen und Kerne
HK 26: Beschleuniger I
HK 26.2: Vortrag
Dienstag, 22. März 2011, 17:00–17:15, A-1
The S-DALINAC Polarized Electron Injector SPIN* — •Christian Eckardt1, Wolfgang Ackermann2, Kurt Aulenbacher3, Thore Bahlo1, Phillip Bangert1, Roman Barday1, Uwe Bonnes1, Marco Brunken1, Christoph Burandt1, Ralf Eichhorn1, Joachim Enders1, Martin Espig1, Wolfgang F. O. Müller2, Markus Platz1, Yuliya Poltoratska1, Markus Roth1, Fabian Schneider1, Markus Wagner1, Antje Weber1, Thomas Weiland2, and Benjamin Zwicker1 — 1Institut für Kernphysik, Technische Universität Darmstadt, Germany — 2Institut für Theorie Elektromagnetischer Felder, Technische Universität Darmstadt, Germany — 3Institut für Kernphysik, Johannes Gutenberg-Universität Mainz, Germany
A source of polarized electrons [1] has been installed at the superconducting 130 MeV Darmstadt electron linac S-DALINAC [2].
Polarized electrons are generated by irradiating a GaAs cathode with pulsed Ti:Sapphire and diode lasers and preaccelerated to 100 keV. A Wien filter and 100 keV Mott polarimeter are used for spin manipulation and polarization measurement and various beam diagnostic elements are installed. To measure the beam polarization downstream of the superconducting injector linac a 5-10 MeV Mott polarimeter and a Compton-transmission polarimeter have been developed. We report on the status of the polarized electron source and foreseen experiments.
*Supported by Deutsche Forschungsgemeinschaft through SFB 634.
[1] C. Eckardt et al., Proc. IPAC 10, Kyoto, p. 4083.
[2] A. Richter, Proc. EPAC 96, Sitges, p.110.