Simulation and prototyping of 2m long resistive plate chambers for detection of fast neutrons and multi-neutron event identification

Elekes, Z.; Aumann, T.; Bemmerer, D.; Boretzky, K.; Caesar, C.; Cowan, T. E.; Hehner, J.; Heil, M.; Kempe, M.; Rossi, D.; Röder, M.; Simon, H.; Sobiella, M.; Stach, D.; Reinhardt, Tobias P.; Wagner, A.; Yakorev, D.; Zilges, A.; Zuber, Κ.

doi:10.1016/j.nima.2012.11.010

Cited by 8 publications

(19 citation statements)

References 17 publications

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“…In the end, approach (A) was selected for NeuLAND, based on the better multi-hit capability of a fully active device [8] when compared with a converter-based detector. However, detectors for energetic neutrons based on approach (B) may have applications in other fields, in particular where their more limited multi-neutron capability [10] is sufficient and where construction and operating costs pose a challenge.…”

Section: Motivationmentioning

confidence: 99%

“…Both for the reduced size [15] and for the final size [10] prototypes, it was proven by electron beam experiments at ELBE that the MRPC-based neutron detectors can deliver the requested σ ≤ 100 ps time resolution and ≥90% efficiency for minimum ionizing particles. Extensive Monte Carlo simulations were carried out [10] in order to extend these experimental findings to a simulated response for the full detector, which should include 50 subsequent layers of the final size prototype.…”

Section: Description Of the Detector Under Studymentioning

confidence: 99%

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Efficiency determination of resistive plate chambers for fast quasi-monoenergetic neutrons

et al. 2014

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Composite detectors made of stainless steel converters and multigap resistive plate chambers have been irradiated with quasi-monoenergetic neutrons with a peak energy of 175 MeV. The neutron detection efficiency has been determined using two different methods. The data are in agreement with the output of Monte Carlo simulations. The simulations are then extended to study the response of a hypothetical array made of these detectors to energetic neutrons from a radioactive ion beam experiment.

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Section: Motivationmentioning

confidence: 99%

Section: Description Of the Detector Under Studymentioning

confidence: 99%

Efficiency determination of resistive plate chambers for fast quasi-monoenergetic neutrons

et al. 2014

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“…Monte Carlo simulations have been performed using the Geant4 toolkit to study the response of the detector for fast neutrons and to reconstruct multi neutron events (discussed in detail in [5]). All simulations have been done using a Monte Carlo engine that provides the primary neutrons and their physical properties.…”

Section: Simulation For Fast Neutronsmentioning

confidence: 99%

“…In order to determine the neutron momenta for multi neutron events, an algorithm is necessary that can reconstruct the number of incident primary neutrons [5]. Hits within a certain distance are combined into clusters, the velocity between each cluster is calculated and clusters with a velocity smaller than the beam velocity are excluded.…”

Section: Pos(rpc2012)080mentioning

confidence: 99%

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A 2m x 0.5m prototype of a MRPC-based neutron detector with steel converter plates

Roeder¹

2012

Proceedings of XI Workshop on Resistive Plate Chambers and Related Detectors — PoS(RPC2012)

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A 2 m long prototype detector for the detection of neutrons in an energy range from 200 MeV to 1 GeV has been successfully realized. The working principle is based on steel converter plates followed by an MRPC structure to detect charged particles produced by hadronic interactions. In order to study time resolution and efficiency, a 2 m × 0.5 m large module has been built which comprises a 2 × 2 gap MRPC structure. An efficiency larger than 90 % and a time resolution better than 100 ps have been measured for minimum ionizing electrons. This experiment has been done using the one-electron-per-bunch mode of the superconducting electron linear accelerator ELBE, Dresden. Another test has been done using 175 MeV quasi-monochromatic neutrons at TSL in Uppsala. A test using tagged high-energy neutrons is scheduled at GSI. Extensive Monte Carlo simulations have been carried out, both for the electron-beam tests and for the final application as a neutron detector. The present approach offers a cost-effective way for the time-of-flight detection of high energy neutrons. Detectors -RCP2012, February 5-10, 2012 INFN Laboratori Nazionali di Frascati Italy * Speaker. XI workshop on Resistive Plate Chambers and Related

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Silicon photomultiplier readout of a monolithic 270×5×5 cm 3 plastic scintillator bar for time of flight applications

Reinhardt

Gohl

Reinicke

et al. 2016

Nuclear Instruments and Methods in Physics Research Section A:

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The detection of 200-1000 MeV neutrons requires large amounts, ∼100 cm, of detector material because of the long nuclear interaction length of these particles. In the example of the NeuLAND neutron time-of-flight detector at FAIR, this is accomplished by using 3000 monolithic scintillator bars of 270×5×5 cm 3 size made of a fast plastic. Each bar is read out on the two long ends, and the needed time resolution of σ t < 150 ps is reached with fast timing photomultipliers. In the present work, it is investigated whether silicon photomultiplier (SiPM) photosensors can be used instead. Experiments with a picosecond laser system were conducted to determine the timing response of the assembly made up of SiPM and preamplifier. The response of the full system including also the scintillator was studied using 30 MeV single electrons provided by the ELBE superconducting electron linac. The ELBE data were matched by a simple Monte Carlo simulation, and they were found to obey an inverse-square-root scaling law. In the electron beam tests, a time resolution of σ t = 136 ps was reached with a pure SiPM readout, well within the design parameters for NeuLAND.

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Simulation and prototyping of 2m long resistive plate chambers for detection of fast neutrons and multi-neutron event identification

Cited by 8 publications

References 17 publications

Efficiency determination of resistive plate chambers for fast quasi-monoenergetic neutrons

Efficiency determination of resistive plate chambers for fast quasi-monoenergetic neutrons

A 2m x 0.5m prototype of a MRPC-based neutron detector with steel converter plates

Silicon photomultiplier readout of a monolithic 270×5×5 cm 3 plastic scintillator bar for time of flight applications

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