FARCOS: A versatile and modular Femtoscopy Array for Correlations and Spectroscopy
Nuclear Science Symposium and Medical Imaging Conference(2012)
Abstract
In the framework of multi-fragmentation experiments the evolution towards two(or more) particle correlations with stable and radioactive beams calls for the development of a novel detection system featuring high angular and energy resolution and able to reconstruct the particles momentum at high precision. The proposed detection system, named FARCOS (Femtoscopy ARray for COrrelations and Spectroscopy) will be beneficial for different physical cases. To this aim we are building a prototype detection system featuring four telescopes. Each telescope features an active area of 6.4 cm × 6.4 cm and is composed of three detection stages. The first ΔE stage is a Double Sided Silicon Strip Detector (DSSSD), 300 μm thick, featuring 32 × 32 strips. The second ΔE stage is again a DSSSD, 1500 μm thick, featuring 32 × 32 strips. The third stage, acting as calorimeter, is composed by four CsI(TI) crystals with an active area of 3.2 cm × 3.2 cm and an absorption length of 6 cm forming a 2 × 2 matrix. The scintillators are readout by a Silicon photodiode 300 μm thick. The paper presents the relevant features of FARCOS and the expected performance of the silicon detection layers, with a special focus on the requirements of the frontend electronics for the DSSSD and the qualification of the DSSSD. In addition we report the first results of the preliminary on-beam tests.
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Key words
beam handling techniques,caesium compounds,nuclear electronics,particle calorimetry,photodiodes,silicon radiation detectors,solid scintillation detectors,telescopes,csi(ti),csi(ti) crystals,dsssd qualification,deltae stage,farcos features,active area,calorimeter,detection stages,double sided silicon strip detector,energy resolution novel detection system,frontend electronics requirements,high angular novel detection system,matrix formation absorption length,modular femtoscopy array for correlation and spectroscopy,multifragmentation experiment framework,particle correlations,particle momentum reconstruction,physical cases,preliminary on-beam tests,prototype detection system building,radioactive beam call,scintillator readout,silicon detection layer performance,silicon photodiode,stable beam call,telescope features,versatile femtoscopy array for correlation and spectroscopy
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