Characterization of EJ-200 plastic scintillators as active background shield for cosmogenic radiation

Tkaczyk, Alan H.; Saare, H.; Ipbüker, Cagatay; Schulte, Frank; Mastinu, P.; Paepen, J.; Pedersen, B.; Schillebeeckx, P.; Giovanni, Varasano

doi:10.1016/j.nima.2017.10.088

Cited by 6 publications

(5 citation statements)

References 28 publications

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“…Additionally, peaks from vertically oriented scintillators are less pronounced because the area of the detector, seen from muons main direction (θ ≈ 0), is much smaller, therefore, fewer particles hit its surface. Also, the peak is broader for vertically situated detectors, what is an additional manifestation of the angular dependence of the intensity of incoming particles and length of the path travelled in the detector [20].…”

Section: Scintillators Threshold Valuesmentioning

confidence: 98%

“…Low-energy part of the spectrum (shaded area between 5th and 400th ADC channels marked with vertical dashed lines) consist mainly of registered gamma radiation with clearly visible Compton edges: 1243 keV and 2381 keV corresponding to gamma-rays emitted by decays of 40 K (1460 keV) and 208 Tl (2614 keV), existing in environmental background. The latter spectrum part (above 400th ADC channel) corresponds to muon detection events [19,20].…”

Section: Scintillators Threshold Valuesmentioning

confidence: 99%

“…However, due to their vertical positioning, a small bump at higher energy is present, due to the fact that muons have opportunity to travel longer path and in consequence deposit more energy in the detector [20].…”

Section: Scintillation Detectors Spectramentioning

confidence: 99%

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Low-background, digital gamma-ray spectrometer with BEGe detector and active shield: commissioning, optimisation and software development

Gorzkiewicz

Mietelski

Kierepko

et al. 2019

J Radioanal Nucl Chem

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This paper presents results of the development process of low-background, digital gamma-rays spectrometer equipped with Broad Energy Germanium detector (CANBERRA BE5030), multi-layer passive shield and cosmic veto system that consists of five plastic scintillators (SCIONIX EJ-200). Data acquisition is performed using digitizer CAEN DT5725 with CoMPASS software. Output data analysis is carried out with purposely written and developed code VETO. On the basis of conducted tests, acquisition parameters were set up and tuned as well as time delays between all detectors were established. As a result of the configuration process, the mean background counts reduction of 64% in the whole spectrum and 65% in annihilation peak were achieved. This procedure allowed diminishing detection limits of selected isotopes 37% on average. Keywords Low-background measurements • Low activity • Digital gamma-ray spectrometry • BEGe • Cosmic muons veto detector • Plastic scintillators

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Section: Scintillators Threshold Valuesmentioning

confidence: 98%

Section: Scintillators Threshold Valuesmentioning

confidence: 99%

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Low-background, digital gamma-ray spectrometer with BEGe detector and active shield: commissioning, optimisation and software development

Gorzkiewicz

Mietelski

Kierepko

et al. 2019

J Radioanal Nucl Chem

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show abstract

“…To achieve high detection efficiency, especially for the veto stations, all scintillator layers are constructed from 10 or 20 mm thick EJ-200 plastic scintillator material [39]. The light output of this material is about 22, 000 photons/cm for muons [40] and the thickness corresponds to 2.5-5% of a radiation length. The light in each scintillator counter layer is transmitted to one or two Hamamatsu PMTs through a wavelength shifting (WLS) rod or plastic light guides depending on the station type.…”

Section: Scintillator Systemmentioning

confidence: 99%

The FASER detector

Abreu,

Mansour,

Antel

et al. 2024

J. Inst.

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FASER, the ForwArd Search ExpeRiment, is an experiment dedicated to searching for light, extremely weakly-interacting particles at CERN's Large Hadron Collider (LHC). Such particles may be produced in the very forward direction of the LHC's high-energy collisions and then decay to visible particles inside the FASER detector, which is placed 480 m downstream of the ATLAS interaction point, aligned with the beam collisions axis. FASER also includes a sub-detector, FASERν, designed to detect neutrinos produced in the LHC collisions and to study their properties. In this paper, each component of the FASER detector is described in detail, as well as the installation of the experiment system and its commissioning using cosmic-rays collected in September 2021 and during the LHC pilot beam test carried out in October 2021. FASER has successfully started taking LHC collision data in 2022, and will run throughout LHC Run 3.

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“…In this case, E is the median energy for each individual bin. The energy resolution studies for the same type of scintillator (EJ-200) are presented in [19]. It has been chosen to adopt the same opportunistic 3-parameter function to fit the data:…”

Section: Energy Resolutionmentioning

confidence: 99%

The CCube reconstruction algorithm for the SoLid experiment

Abreu,

Amhis,

Arnold

et al. 2024

Nuclear Instruments and Methods in Physics Research Section A:

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Characterization of EJ-200 plastic scintillators as active background shield for cosmogenic radiation

Cited by 6 publications

References 28 publications

Low-background, digital gamma-ray spectrometer with BEGe detector and active shield: commissioning, optimisation and software development

Low-background, digital gamma-ray spectrometer with BEGe detector and active shield: commissioning, optimisation and software development

The FASER detector

The CCube reconstruction algorithm for the SoLid experiment

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