Darmstadt 2016 – wissenschaftliches Programm
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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 9: Seeding, Thomson and Compton Scattering
AKBP 9.7: Vortrag
Mittwoch, 16. März 2016, 15:45–16:00, S1/05 122
Detection of Inverse Compton Scattering in Plasma Wakefield Experiments — •Simon Bohlen1, Darragh Corvan2, Jens Osterhoff1, Bernhard Schmidt1, Jan-Patrick Schwinkendorf1, and Matthew Streeter1 — 1Deutsches Elektronen-Synchrotron, Notkestrasse 85, 22607 Hamburg, Germany — 2School of Mathematics and Physics, The Queen's University of Belfast, BT71NN Belfast, United Kingdom
Inverse Compton Scattering (ICS) of a laser pulse off an electron bunch can produce highly energetic photons. In combination with plasma wakefield acceleration, ICS offers a compact way to provide a source of directed gamma radiation. Besides industrial and medical applications, ICS may be utilized as a diagnostic for the electron bunch used in the interaction. By measuring properties of the gamma beam, electron beam information such as energy and divergence as well as its longitudinal properties can be determined.
Typical electron energies in plasma wakefield experiments lead to gamma-rays with energies on the order of about 1-100 MeV rendering the detection of the ICS photons challenging. Furthermore, the femtosecond duration of the produced gamma beams prevents the use of standard measurement techniques, which rely on diagnosing single photon events. Here, we present a discussion of novel detector techniques and their use to create functional diagnostics for plasma based ICS beams.