EPJ Web Conf.
Volume 130, 2016MESON 2016 – 14th International Workshop on Meson Production, Properties and Interaction
|Number of page(s)||6|
|Section||01 Plenary talks|
|Published online||29 November 2016|
Recent result from the A2 collaboration at MAMI
Institut für Kernphysik, Universität Mainz
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Published online: 29 November 2016
The A2 Collaboration at the Mainz Microtron MAMI is measuring photon absorption cross section using circularly and linearly polarized photons up to energies of 1.6 GeV. The photons are produced in the ‘Bremsstrahlungs’ process, the energy is determined by a dedicated tagging system. The Crystal Ball-TAPS detector system with its high capability to cope with multi photon final states is used to acquire data with a variety of nonpolarized and spin polarized targets. Physical goals are the investigation of the nucleons excitation spectrum via single and double meson photoproduction and in addition a detailed determination of meson decays in precision experiments. We have started a program to measure double polarised Compton scattering to determine the nucleons scalar and spin polarisibilities. In this proceedings recent results from A2 collaboration
© The Authors, published by EDP Sciences, 2016
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