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HK: Fachverband Physik der Hadronen und Kerne

HK 52: Poster - Instrumentation I

HK 52.8: Poster

Mittwoch, 6. März 2013, 16:45–19:00, HSZ 2.OG

Measurement of the e⁻ beam polarization and photon flux at the BGO-OD Experiment* — •Thomas Zimmermann — Physikalisches Institut, Universität Bonn

The BGO-OD experiment, presently under construction at the electron accelerator ELSA at Bonn university, is intended for the systematic investigation of the photo-production of mesons off the nucleon.

Polarized photon beams are routinely used. To determine the degree of circular polarization, the polarization of the e⁻ beam will be measured in-situ by a Møller polarimeter. The photon flux will be monitored simultaneously with data taking, using a flux monitor consisting of two parts: a total- and a partial-absorption detector.

*Supported by the DFG (SFB/TR-16)