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The FIRST experiment at GSI
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2012 (English)In: Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, ISSN 0168-9002, Vol. 678, 130-138 p.Article in journal (Refereed) Published
Abstract [en]

The FIRST (Fragmentation of Ions Relevant for Space and Therapy) experiment at the SIS accelerator of GSl laboratory in Darmstadt has been designed for the measurement of ion fragmentation crosssections at different angles and energies between 100 and 1000 MeV/nucleon. Nuclear fragmentation processes are relevant in several fields of basic research and applied physics and are of particular interest for tumor therapy and for space radiation protection applications. The start of the scientific program of the FIRST experiment was on summer 2011 and was focused on the measurement of 400 MeV/nucleon C-12 beam fragmentation on thin (8 mm) graphite target. The detector is partly based on an already existing setup made of a dipole magnet (ALADiN). a time projection chamber (TP-MUSIC IV), a neutron detector (LAND) and a time of flight scintillator system (TOFWALL). This pre-existing setup has been integrated with newly designed detectors in the Interaction Region, around the carbon target placed in a sample changer. The new detectors are a scintillator Start Counter, a Beam Monitor drift chamber, a silicon Vertex Detector and a Proton Tagger scintillator system optimized for the detection of light fragments emitted at large angles. In this paper we review the experimental setup, then we present the simulation software, the data acquisition system and finally the trigger strategy of the experiment.

Place, publisher, year, edition, pages
2012. Vol. 678, 130-138 p.
Keyword [en]
Hadrontherapy, Fragmentation, Nuclear physics, Elementary-particle, Experimental methods, Instrumentation
National Category
Physical Sciences
URN: urn:nbn:se:su:diva-80017DOI: 10.1016/j.nima.2012.02.020ISI: 000304503300018OAI: diva2:552073


Available from: 2012-09-12 Created: 2012-09-12 Last updated: 2012-10-11Bibliographically approved

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Böhlen, T. T.
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Department of Physics
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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