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| Description | The Mainz Microtron MAMI is an electron accelerator run by the Institute for Nuclear Physics of the University of Mainz used for hadron physics experiments. MAMI is a multilevel racetrack microtron with normal conducting linear accelerators. Since 1979 the accelerator has been available for experiments and has continuously undergone further development. With MAMI-C, the latest stage of development, polarised electron beams (polarisation degree typical 80%) of more than 20 µA beam current and unpolarised elecron beams of up to 100 µA can be accelerated to relativistic energies up to 1,6 GeV. MAMI is a so-called continuous wave accelerator. Thus, the electron beam is not macroscopically clustered in bunches as it is the case for most accelerators; on the contrary, the time structure of the beam is too small to be registered by the experiment’s detectors so that the beam seems like a continuous current. The accelerator generates a well-defined beam: the beam diameter is few 0.1 mm with an energy uncertainty of less than 13 keV. The beam is also maintained at a constant position at less than 200 µm via a complex control mechanism. MAMI is hence particularly well suited to conduct precision tests on the structure of matter. Research at the Institute especially concentrates on the investigation of subatomic entities which are combined of many particles with strong interaction. To this day, four experimental collaborations with cooperation partners from more than 10 countries have become established at the Institute. At present, MESA, a new energy recovering superconducting accelerator with an energy of about 150 MeV and currents of 10 mA is under development. |
| URL | http://www.kph.uni-mainz.de/eng/index.php |
| Status | Operational since 1979 |
| Scientific Domains | Physical Sciences and Engineering |
| RI Categorization | Nuclear Research Facilities |
| Location | Johann-Joachim-Becherweg 45, Mainz, 55099, Germany |
| MERIL URL | http://portal.meril.eu/meril/view/facilitys/15676 |
