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Aulenbacher, K.

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MOZCM01 Commissioning and Operation of the 1.5 GeV Harmonic Double Sided Microtron at Mainz University 51
 
  • A. Jankowiak, K. Aulenbacher, D. Bender, O. Chubarov, M. Dehn, H. Euteneuer, F. Fichtner, B. Gutheil, F. Hagenbuck, R. H. Herr, P. Jennewein, K.-H. Kaiser, W. Klag, H. J. Kreidel, U. Ludwig-Mertin, A. Nuck, J. R. Röthgen, B. Seckler, G. S. Stephan, V. Tioukine, G. Woell, Th. Zschocke
    IKP, Mainz
  
  In December 2006 the 4th stage of the Mainz Microtron MAMI has been succesfully set into operation expanding the 855MeV output energy of the existing three racetrack microtron cascade (MAMI B) to 1508MeV. This new recirculating cw electron accelerator is realised as a worldwide unique Harmonic Double Sided Microtron (HDSM, [*]). Since February 2006, after only 14 day of commissioning, the HDSM serves as part of the MAMI C accelerator cascade in routine 24h a day operation for nuclear physics experiments. We will give a brief overview of the design and construction of the HDSM and describe in detail the experiences gained during commissioning and the first year of operation.

[*] A. Jankowiak et al., "Status Report on the Harmonic Double Sided Microtron of MAMI C", Proceedings EPAC2006, Edinburgh, p. 834

 
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TUPD027 Commissioning of the Offline-teststand for the S-DALINAC Polarized Injector SPIN 1482
 
  • C. Heßler, R. Barday, U. Bonnes, M. Brunken, C. Eckardt, R. Eichhorn, J. Enders, M. Platz, Y. Poltoratska, M. Roth
    TU Darmstadt, Darmstadt
  • W. Ackermann, W. F.O. Müller, B. Steiner, T. Weiland
    TEMF, Darmstadt
  • K. Aulenbacher
    IKP, Mainz
  
  At the superconducting Darmstadt linear electron accelerator S-DALINAC a new injector for polarized electrons is under development. For this purpose an off-line test stand has been constructed. It consists of the source of polarized electrons and a test beamline including a Wien filter for spin manipulation, a Mott polarimeter for polarization measurement and various beam steering and diagnostic elements. The polarized electron beam is produced by photoemission from a strained GaAs cathode. We report on the status of this project and present first results of the measurements of the beam properties. We also give an outlook on the upcoming installation of SPIN at the S-DALINAC.