Scintillator tiles read out with silicon photomultipliers

Pooth, O.; Radermacher, T.; Weingarten, Simon; Weinstock, Lars Steffen

doi:10.1088/1748-0221/10/10/t10007

Cited by 11 publications

(11 citation statements)

References 6 publications

(6 reference statements)

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“…Two (out of four) tiles are made of EJ200 cast organic scintillator from Eljen company and the other two by organic scintillator from UNIPLAST (Vladimir, Russia). The tiles dimensions are of (150 × 150 × 10) mm 3 for both UNIPLAST and for Eljen company. Each tile is read out by four SiPMs placed at the tile corners, either engraved into slots dug in the scintillator or glued at the cut corners.…”

Section: Jinst 17 P01038mentioning

confidence: 99%

“…Silicon Photo-Multipliers (SiPMs) ) [1] provide advantageous properties such as good timing, compactness, and high Photon Detection Efficiency (PDE). Scintillating tiles with direct SiPM readout, pioneered for application in hadron calorimeters for electron-positron colliders [2,3], allow compact detectors with high granularity and good time resolution to be built.…”

Section: Introductionmentioning

confidence: 99%

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Performance of scintillating tiles with direct silicon-photomultiplier (SiPM) readout for application to large area detectors

Balla¹,

Buonomo²,

Cafaro³

et al. 2022

J. Inst.

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The light yield, the time resolution and the efficiency of different types of scintillating tiles with direct Silicon Photomultiplier readout and instrumented with a customised front-end electronics have been measured at the Beam Test Facility of Laboratori Nazionali di Frascati and several test stands. The results obtained on minimum ionising particles with different detector configurations are presented. A time resolution of the order of 300 ps, a light yield of more than 230 photo-electrons, and an efficiency better than 99.8% are obtained with ∼ 225 cm2 large area tiles. This technology is suitable for a wide range of applications in high-energy physics, in particular for large area muon and timing detectors.

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Section: Jinst 17 P01038mentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Performance of scintillating tiles with direct silicon-photomultiplier (SiPM) readout for application to large area detectors

Balla¹,

Buonomo²,

Cafaro³

et al. 2022

J. Inst.

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show abstract

“…The goal of optical coupling materials is to provide a medium for optical photons to pass through the scintillator crystal to the SiPM by maintaining an index of refraction similar to that of the scintillation crystal and by providing flush surface contact [5,6]. Mismatching of the index of refraction or poor surface contact can contribute to elevated scattering at the crystal-SiPM interface, resulting in fewer optical photons detected and reduced detector performance [7].…”

Section: Introductionmentioning

confidence: 99%

Performance of Optical Coupling Materials in Scintillation Detectors Post Temperature Exposure

Romanchek

Wang

Marupudi

et al. 2020

Sensors

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In this paper, the room-temperature performance of different optical coupling materials post temperature exposure was tested. The tested couplers included OC431A-LVP, OG0010 optical grease, BLUESIL V-788, and SAINT-GOBAIN BC-630. This was done by subjecting the whole detector with newly applied optical coupling materials to a 2-h temperature exposure—ranging from −20 to 50 °C and then by letting it return to room temperature before collecting a spectrum from a Cs-137 source. The energy resolution at 662 keV was computed as the metric for evaluating the performance. Three trials were run at each coupler–temperature combination. Our results reveal that the performance of all coupling agents do indeed change with temperature after the 2-h exposure. Over all the tested temperature trials, the energy resolution ranged from 11.4 to 14.3% for OC431A-LVP; 10.2 to 14.6% for OG0010; 10 to 13.4% for BLUESIL V-788; and 9.8 to 13.3% for SAINT-GOBAIN BC-630. OC431A-LVP had the lowest variance over the full range, while BC-630 was the most constant for temperatures above 20 °C. Ultraviolet-visible (UV-Vis) spectra experiments were also performed on isolated optical coupling materials to measure the light absorption coefficient. The results show that the temperature-induced variance in light absorption coefficient of each optical coupling materials is one of the reasons for the variance in energy resolution performance. Our findings suggest the need for further investigation into this effect and the recommendation that optical coupling materials need to be selected for the task at hand with greater scrutiny.

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“…Many tests are ongoing to study the coupling of scintillators to SiPMs, to be used for future missions such as e-Astrogam [3], AMEGO [4] and HERD [5]. In recent years some tests of scintillators coupled to SiPMs were already performed, exploring this possibility also for different applications [6,7,8], but more tests are necessary to optimize these systems to be competitive with the classical PMT readout.…”

Section: Introductionmentioning

confidence: 99%

Characterization of plastic scintillator tiles equipped with SiPMs for the High Energy cosmic-Radiation Detection (HERD) experiment

Benedittis¹,

Palma²,

Luque³

et al. 2019

Proceedings of 36th International Cosmic Ray Conference — PoS(ICRC2019)

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Scintillator tiles read out with silicon photomultipliers

Cited by 11 publications

References 6 publications

Performance of scintillating tiles with direct silicon-photomultiplier (SiPM) readout for application to large area detectors

Performance of scintillating tiles with direct silicon-photomultiplier (SiPM) readout for application to large area detectors

Performance of Optical Coupling Materials in Scintillation Detectors Post Temperature Exposure

Characterization of plastic scintillator tiles equipped with SiPMs for the High Energy cosmic-Radiation Detection (HERD) experiment

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