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T: Fachverband Teilchenphysik

T 80: Strahldiagnose / CSR I

T 80.2: Vortrag

Montag, 28. März 2011, 17:00–17:15, 30.22: 022

Higher order momentum compaction in electron storage rings and capabilities for the generation of coherent synchrotron radiation — •Markus Ries¹, Jörg Feikes¹, Peter Schmid¹, Godehard Wüstefeld¹, Arne Hoehl², Roman Klein², Ralph Müller², Anton Serdyukov², and Gerhard Ulm² — ¹Helmholtz-Zentrum Berlin, Berlin, Deutschland — ²Physikalisch-Technische Bundesanstalt, Berlin, Deutschland

Various electron storage rings undertake strong efforts to create very short bunches. This serves the generation of coherent synchrotron radiation (CSR) and the use of extremly short pulses in time resolved X-ray spectroscopy. Recently built machines explore the capabilities arising from controlling higher orders of the momentum compaction factor (α=α₀+α₁δ+α₂δ²…) that strongly dominates the longitudinal beam dynamics. The Metrology Light Source (MLS) is the first electron storage ring that uses additional sextupoles and octupoles to control the three leading terms of α. The resulting possibilities and some first experimental results will be given.