Stuttgart 2012 – wissenschaftliches Programm

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A: Fachverband Atomphysik

A 50: Interaction of matter with ions

A 50.2: Vortrag

Freitag, 16. März 2012, 14:15–14:30, V57.05

Laser Cooling and Optical Diagnostics for Relativistic Ion Beams — •Michael Bussmann¹, Uwe Stuhr¹, Matthias Siebold¹, Ulrich Schramm^1,2, Danyal Winters³, Thomas Kühl³, Christophor Kozhuharov³, Christina Dimopoulou³, Fritz Nolden³, Markus Steck³, Christopher Geppert^3,4, Rodolfo Marcelo Sanchez Alarcon^3,4, Wilfried Nörstershäuser^3,4, Thomas Stöhlker^3,5, Tobias Beck⁶, Thomas Walther⁶, Sascha Tichelmann⁶, Gerhard Birkl⁶, Weiqiang Wen⁷, and Xinwen Ma⁷ — ¹Helmholtz-Zentrum Dresden-Rossendorf — ²TU Dresden — ³GSI Helmholtzzentrum für Schwerionenforschung — ⁴Universität Mainz — ⁵Universität Heidelberg — ⁶TU Darmstadt — ⁷IMPCAS Lanzhou

Cooling of ion beams is essential for precision experiments at future storage rings. Laser cooling is one of the most promising techniques to reach high phase space densities at relativistic ion energies for all ion species which provide suitable atomic cooling transitions.

Establishing laser cooling as a standard technique at future storage rings requires laser sources that can address ion beams with large initial velocity spreads.

Without optical diagnostics however, the dynamics of ions at very low temperatures cannot be resolved, as conventional beam diagnostics reach their resolution limits.

We discuss concepts and techniques that pave the way for making laser cooling a reliable tool at future storage rings, some of which can already be tested at the ESR at GSI.