Eur. Phys. J. A (2004) 19: 279-282
https://doi.org/10.1140/epjad/s2004-03-046-4

Laboratory physics programs and new facilities

Future experiments at MAMI

¹ Institut für Kernphysik, Johannes Gutenberg-Universität, D-55099 Mainz, Germany
² Dept. of Physics and Astronomy, UCLA, box 1547, Los Angeles, CA, 90025-1547, USA

Received: 15 October 2003
Published online: 12 February 2004

Abstract

A new experimental program is about to get underway at the Mainz Microtron (MAMI) Facility. The experimental apparatus consists of the famous Crystal Ball together with TAPS detector as a forward wall, and a central tracker. This configuration provides a geometrical acceptance close to 4π combined with good energy and angular resolution in particular for neutral final states. After the energy upgrade of the Mainz Microtron (MAMI-C), the Crystal Ball and TAPS setup will be equipped with a frozen-spin polarized target filled with , or to perform new high precision, high statistics measurements of neutral meson production on the nucleon up to 1.5 GeV incident photon energies. In particular it provides a unique opportunity to investigate the GDH sum rule on a neutron target in the contributions by reactions , and .