Dresden 2013 – scientific programme

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T: Fachverband Teilchenphysik

T 128: Beschleunigerphysik XV (Kontrolle, Strahlkühlung)

T 128.3: Talk

Thursday, March 7, 2013, 17:30–17:45, WIL-C205

Broadband Lasercooling of Relativistic Ion Beams at ESR — •Michael Bussmann¹, Michael Seltmann¹, Matthias Siebold¹, Ulrich Schramm¹, Weiqiang Wen², Danyal Winters³, Tobias Beck⁴, Benjamin Rein⁴, Thomas Walther⁴, Sascha Tichelmann⁴, Gerhard Birkl⁴, Rodolfo Sanchez-Alarcon^3,5, Johannes Ullmann^3,5, Matthias Lochmann^3,5, Wilfried Nörtershäuser^3,5, Colin Clark³, Christophor Kozhuharov³, Markus Steck³, Christina Dimopoulou³, Fritz Nolden³, Dacheng Zhang², Xinwen Ma², Thomas Stöhlker³, Shahab Sanjari³, Tino Giacomini³, and Jie Yang² — ¹HZDR — ²IMPCAS Lanzhou — ³GSI — ⁴TU Darmstadt — ⁵Uni Mainz

We present new results on laser cooling of relativistic C3+ ion beams at the Experimental Storage Ring at GSI. For the first time we could show laser cooling of bunched relativistic ion beams using fast scanning of the frequency of the cooling laser over a range larger than the momentum acceptance of the bucket. Unlike previously employed cooling schemes where the bucket frequency was scanned relatively to a fixed laser frequency, scanning of the laser frequency can be readily applied to future high energy storage rings such as HESR or SIS 100 at FAIR.