A highly-segmented Delta-E-time-of-flight wall as forward detector of the 4pi-system for charged particles at the SIS/ESR accelerator


A highly-segmented Delta-E-time-of-flight wall as forward detector of the 4pi-system for charged particles at the SIS/ESR accelerator

Gobbi, A. E. A.; Kotte, R.; Mösner, J.; Neubert, W.; Wohlfarth, D.

At the SIS/ESR accelerator facility at GSI in Darmstadt the 4pi-detector system FOPI is under construction at present. It is designed for the investigation of central collisions of heavy ions in the energy range up to 2 AGeV. As phase I of this detector a forward wall has been built and used in various experiments. It comprizes a total number of 764 scintillators with an additional shell of 188 thin Delta-E-detectors in front of it and covers the full azimuth of the polar angles from 1 to 30 degrees. the velocity and the nuclear charge of the fragments are determined by a combined time-of-flight and Delta-E measurement.

  • Nucl. Instr. Meth. A 324 (1993) 156

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Publ.-Id: 4105