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A novel concept for position-sensitive thermal neutron detectors based on thin-gap Resistive Plate Chambers (RPC) lined with a neutron converter layer is presented and its feasibility is discussed. Several detector architectures…

Instrumentation and Detectors · Physics 2018-08-29 L. M. S. Margato , A. Morozov

Resistive plate chambers (RPC) lined with $^{10}B_{4}$C neutron converters is a promising cost effective technology for position-sensitive thermal neutron detection capable to outperform $^{3}$He-based detectors in terms of spatial…

Instrumentation and Detectors · Physics 2020-08-26 L. M. S. Margato , A. Morozov , A. Blanco , P. Fonte , L. Lopes , K. Zeitelhack , R. Hall-Wilton , C. Höglund , L. Robinson , S. Schmidt , P. Svensson

An optimized design of a neutron detector based on timing RPCs (Resistive Plate Chambers) with boron-10 neutron converters is presented. The detector is composed of a stack of ten double gap RPCs with aluminium cathode plates coated on both…

Instrumentation and Detectors · Physics 2023-05-03 L. M. S. Margato , G. Canezin , A. Morozov , A. Blanco , J. Saraiva , L. Lopes , P. Fonte

We propose an alternative approach for the detection of fast neutrons in the energy range from 10-4 to 5 MeV based on 10B-RPCs (hybrid double-gap Resistive Plate Chambers with 10B4C neutron converters) surrounded by a polyethylene…

Instrumentation and Detectors · Physics 2022-02-23 A. Morozov , L. M. S. Margato , A. Blanco , D. Galaviz

Recently we have proposed a new concept of a thermal neutron detector based on resistive plate chambers and 10B4C solid neutron converters, enabling to readout with high resolution in both the 3D position of neutron capture and the neutron…

Spatial resolution of less than 200 um is challenging for thermal neutron detection. A novel readout scheme based on the time-projection-chamber (TPC) concept is used in a gaseous electron multiplier (GEM) detector. Thermal neutrons are…

Instrumentation and Detectors · Physics 2016-06-22 Bernhard Flierl , Otmar Biebel , Ralf Hertenberger , Karl Zeitelhack

We present experimental results on the counting rate measurements for several single-gap $^{10}$B lined resistive plate chambers ($^{10}$B-RPCs) with anodes made from standard float glass, low resistivity glass and ceramic. The measurements…

Two-dimensional solid state gaseous detector for thermal and cold neutrons is created. The detector has active area of 128 x 128 $mm^2$, $^{10}B$ neutron converter, and gas chamber with thin windows. The resistive charge-division readout is…

Instrumentation and Detectors · Physics 2017-04-05 S Potashev , Yu Burmistrov , A Drachev , S Karaevsky , E Konobeevski , S Zuyev

A Monte Carlo simulation-based optimization of a multilayer 10B-RPC thermal neutron detector is performed targeting an increase in the counting rate capability while maintaining high (>50%) detection efficiency for thermal neutrons. The…

Instrumentation and Detectors · Physics 2020-04-22 A. Morozov , L. M. S. Margato , I. Stefanescu

This article describes the design features and the first test measurements obtained during the installation of a novel high resolution 2D neutron detection technique. The technique proposed in this work consists of a boron layer (enriched…

In the last few years many detector technologies for thermal neutron detection have been developed in order to face the shortage of 3He, which is now much less available and more expensive. Moreover the 3He-based detectors can not fulfil…

Instrumentation and Detectors · Physics 2018-04-12 G. Mauri , F. Messi , K. Kanaki , R. Hall-Wilton , E. Karnickis , A. Khaplanov , F. Piscitelli

We present the results of the measurements of the detection efficiency for a 4.7 \r{A} neutron beam incident upon a detector incorporating a stack of up to five MultiWire Proportional Counters (MWPC) with Boron-coated cathodes. The cathodes…

Instrumentation and Detectors · Physics 2015-06-17 I. Stefanescu , Y. Abdullahi , J. Birch , I. Defendi , R. Hall-Wilton , C. Hoglund , L. Hultman , M. Zee , K. Zeitelhack

A new type of cold/ultracold neutron detector that can realize a spatial resolution of less than 100 nm was developed using nuclear emulsion. The detector consists of a fine-grained nuclear emulsion coating and a 50-nm thick $^{10}$B$_4$C…

Instrumentation and Detectors · Physics 2018-12-05 N. Naganawa , T. Ariga , S. Awano , M. Hino , K. Hirota , H. Kawahara , M. Kitaguchi , K. Mishima , H. M. Shimizu , S. Tada , S. Tasaki , A. Umemoto

Multilayer position-sensitive 10B-RPC thermal neutron detectors offer an attractive combination of sub-millimeter spatial resolution and high (>50%) detection efficiency. Here we describe a new position reconstruction method based on a…

Instrumentation and Detectors · Physics 2021-09-01 A. Morozov , L. M. S. Margato , V. Solovov , A. Blanco , J. Saraiva , T. Wilpert , K. Zeitelhack , K. Roemer , C. Höglund , L. Robinson , R. Hall-Wilton

A neutron imaging detector based on neutron-sensitive microchannel plates (MCPs) was constructed and tested at beamlines of thermal and cold neutrons. The MCPs are made of a glass mixture containing B-10 and natural Gd, which makes the bulk…

The detector contains four or more layers of natural Boron absorbing thermal neutrons. Thickness of a layer is 0.4 - 1.2 mg/cm2. The layers are deposited on one or on both sides of a metal surface used as contacts. Between the absorbing…

Instrumentation and Detectors · Physics 2010-06-10 M. SCHIEBER , O. KHAKHAN

The Helium-3 shortage and the growing interest in neutron science constitute a driving factor in developing new neutron detection technologies. In this work, we report the development of a double-GEM detector prototype that uses a…

A 2D neutron detector based on 3He convertor and MWPC with an active area of 200 mm \times 200 mm has been successfully designed and fabricated. The detector has been tested with Am/Be neutron source and with collimated neutron beam with…

Instrumentation and Detectors · Physics 2013-05-23 Tian LiChao , Chen YuanBo , Tang Bin , Zhou JianRong , Qi HuiRong , Liu RongGuang , Zhang Jian , Yang GuiAn , Xu Hong , Chen DongFeng , Sun ZhiJia

A pixel detector with high spatial resolution and temporal information for ultra-cold neutrons is developed based on a commercial CCD on which a neutron converter is attached. 10B and 6Li are tested for the neutron converter and 10B is…

Instrumentation and Detectors · Physics 2010-02-03 S. Kawasaki , G. Ichikawa , M. Hino , Y. Kamiya , M. Kitaguchi , S. Komamiya , T. Sanuki , S. Sonoda

This paper reports on the device processing and characterization of hexagonal boron nitride (hBN) based solid-state thermal neutron detectors, where hBN thickness varied from 2.5 to 15 microns. These natural hBN epilayers (with 19.9% B-10)…

Instrumentation and Detectors · Physics 2017-09-13 Kawser Ahmed , Rajendra Dahal , Adam Weltz , James J. -Q. Lu , Yaron Danon , Ishwara B. Bhat
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