Author: Bozyk, L.H.J.
Paper Title Page
TUPPM2R3
 Laser Cooling of Stored Bunched Relativistic Carbon Ions at the ESR, using a Novel Tunable High Repetition Rate Pulsed Laser System  
 
  • S. Klammes, L.H.J. Bozyk, T. Kühl, W. Nörtershäuser, R.M. Sanchez Alarcon, P.J. Spiller, M. Steck, T. Stöhlker, D.F.A. Winters
    GSI, Darmstadt, Germany
  • M.H. Bussmann
    CASUS, Görlitz, Germany
  • M.H. Bussmann, U. Schramm, M. Siebold
    HZDR, Dresden, Germany
  • D.Y. Chen, Z. Huang, X. Ma, H.B. Wang, W.Q. Wen
    IMP/CAS, Lanzhou, People’s Republic of China
  • N. Eizenhöfer, M. Horst, B. Langfeld, W. Nörtershäuser, T. Walther
    TU Darmstadt, Darmstadt, Germany
  • V. Hannen, K. Ueberholz
    Westfälische Wilhelms-Universität Münster, Institut für Kernphysik, Münster, Germany
  • N. Kiefer
    Universität Kassel, Kassel, Germany
  • W. Nörtershäuser, T. Walther
    HFHF, Frankfurt am Main, Germany
  • U. Schramm
    TU Dresden, Dresden, Germany
  • T. Stöhlker
    IOQ, Jena, Germany
  • T. Stöhlker
    HIJ, Jena, Germany
  
  Funding: We acknowledge the support by BMBF ErUM-FSP APPA for the laser systems (05P16ODFA1, 05P15RDFA1, 05P12RDRB2 and 05P09RDFA3) and the detector systems (05P19PMFA1), and by Helmholtz POF IV MT ARD (ST2).
Laser cooling at storage rings has proven to be a powerful technique to obtain ion with a very small relative longitudinal momentum spread (1E-6 range). This contribution will give an overview of the principle and status of bunched beam laser cooling at the experimental storage ring ESR at GSI, Germany. Results from a recent laser cooling beamtime in May 2021 at the ESR will be presented, where broadband laser cooling of bunched relativistic C3+ ion beams was successfully demonstrated for the first time using a sophisticated pulsed UV laser system with a very high repetition rate (~ MHz), variable pulse durations (166 - 735 ps) and high UV power (> 250 mW). 		 
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