• Open Access

Commissioning of a compact laser-based proton beam line for high intensity bunches around 10 MeV

S. Busold, D. Schumacher, O. Deppert, C. Brabetz, F. Kroll, A. Blažević, V. Bagnoud, and M. Roth
Phys. Rev. ST Accel. Beams 17, 031302 – Published 17 March 2014

Abstract

We report on the first results of experiments with a new laser-based proton beam line at the GSI accelerator facility in Darmstadt. It delivers high current bunches at proton energies around 9.6 MeV, containing more than 109 particles in less than 10 ns and with tunable energy spread down to 2.7% (ΔE/E0 at FWHM). A target normal sheath acceleration stage serves as a proton source and a pulsed solenoid provides for beam collimation and energy selection. Finally a synchronous radio frequency (rf) field is applied via a rf cavity for energy compression at a synchronous phase of 90deg. The proton bunch is characterized at the end of the very compact beam line, only 3 m behind the laser matter interaction point, which defines the particle source.

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  • Received 25 November 2013

DOI:https://doi.org/10.1103/PhysRevSTAB.17.031302

This article is available under the terms of the Creative Commons Attribution 3.0 License. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI.

Published by the American Physical Society

Authors & Affiliations

S. Busold1,*, D. Schumacher2,†, O. Deppert1, C. Brabetz3, F. Kroll4,5, A. Blažević2,6, V. Bagnoud2,6, and M. Roth1

  • 1Institut für Kernphysik, Technische Universität Darmstadt, Schloßgartenstraße 9, D-64289 Darmstadt, Germany
  • 2GSI Helmholtzzentrum für Schwerionenforschung, Planckstraße 1, D-64291 Darmstadt, Germany
  • 3Institut für angewandte Physik, Johann-Wolfgang-Goethe Universität Frankfurt, Max von Laue Straße 1, D-60438 Frankfurt, Germany
  • 4Helmholtz-Zentrum Dresden—Rossendorf, Bautzner Landstraße 400, D-01328 Dresden, Germany
  • 5Technische Universität Dresden, D-01062 Dresden, Germany
  • 6Helmholtz Institut Jena, Helmholtzweg 4, D-07734 Jena, Germany

  • *Corresponding author. s.busold@gsi.de
  • de.schumacher@gsi.de

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Vol. 17, Iss. 3 — March 2014

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