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In this paper, a baseline calibration method for digitally sampling scintillation pulses in positron emission tomography (PET) is investigated. In front-end electronics for PET, power-line fluctuation, dark current, noise disturbances, hum and pulse tail may cause baseline drift, which could lead to the inaccuracy in time, energy and position measurement. We propose a pulse-characterization based...
This paper presents a novel technique developed for linearizing the energy spectra of radiation detectors in commercial radioisotope identification devices. Based on few spectrum measurements with standard radio-nuclide sources, this method allows generation of individual nonlinear calibration functions at minimum expense in the routine instrument setup. Instead of fitting peak positions, the measured...
The CALICE collaboration has constructed a hadronic sandwich calorimeter prototype with 7608 scintillating plates, individually read out by multi-pixel silicon photomulti-pliers (SiPMs). For the first time ever the readout is performed using SiPMs on a large scale. Results of test beam operations with muon, positron and hadron beams at CERN are presented here, validating the feasibility of the novel...
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