Bochum 2009 – wissenschaftliches Programm

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HK: Fachverband Hadronen und Kerne

HK 40: Accelerators and Instrumentation I

HK 40.6: Vortrag

Dienstag, 17. März 2009, 18:00–18:15, H-ZO 80

The HERMES Recoil Detector — •Inti Lehmann — University of Glasgow, Glasgow, Scotland/UK

It was recently suggested that Generalised Parton Distributions (GPDs) have the potential to extend our description of the nucleon structure beyond standard parton distributions. The Recoil Detector at the HERMES experiment at DESY, Hamburg has been installed to improve the capability to study hard exclusive processes in a kinematic region relevant to GPDs at HERMES.

I will detail the experimental set up consisting of three detector systems housed inside a solenoidal field of 1 T: two layers of silicon strip detectors inside the ring vacuum, two barrels of scintillating fibre detectors, and a photon detector. In addition, I will give an update on the detector performance and conclude with physics topics currently under study.