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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

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

The results of an experimental feasibility study of a position sensitive thermal neutron detector based on a resistive plate chamber (RPC) are presented. The detector prototype features a thin-gap (0.35 mm) hybrid RPC with an aluminium…

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 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

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

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

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

A new technique for detection of slow neutrons with gaseous detectors using ultra-thin layers with 10B atoms is presented. The reaction between a thermal neutron and a 10B atom releases 2 secondary particles, namely a 7Li ion and an alpha…

Instrumentation and Detectors · Physics 2022-04-06 N. F. V. Duarte , J. S. Marcos , A. Antognini , C. Klauser , S. A. Felix , C. M. B. Monteiro , F. D. Amaro

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

Although for large area detectors it is crucial to find an alternative to detect thermal neutrons because of the 3He shortage, this is not the case for small area detectors. Neutron scattering science is still growing its instruments' power…

Instrumentation and Detectors · Physics 2014-03-14 F. Piscitelli , J. C. Buffet , J. F. Clergeau , S. Cuccaro , B. Guerard , A. Khaplanov , Q. La Manna , J. M. Rigal , P. Van Esch

The demand for new thermal neutron detectors as an alternative to 3He tubes in research, industrial, safety and homeland security applications, is growing. These needs have triggered research and development activities about new generations…

Instrumentation and Detectors · Physics 2018-01-09 Paolo Finocchiaro , Luigi Cosentino , Sergio Lo Meo , Ralf Nolte , Desiree Radeck

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…

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

A double-helix electrode configuration is combined with a $^{10}$B powder coating technique to build large-area (9 in $\times$ 36 in) neutron detectors. The neutron detection efficiency for each of the four prototypes is comparable to a…

Instrumentation and Detectors · Physics 2023-08-22 Zhehui Wang , C. L. Morris , J. D. Bacon , M. I. Brockwell , J. C. Ramsey

The conceptual design and operational principle of a novel high-efficiency, fast neutron imaging detector based on THGEM, intended for future fan-beam transmission tomography applications, is described. We report on a feasibility study…

Instrumentation and Detectors · Physics 2015-06-04 M. Cortesi , R. Zboray , R. Adams , V. Dangendorf , H. -M. Prasser

For radiography applications using fast neutrons simultaneously with gammas we have developed a detector with 16 stilbene crystals in a 4$\times$4 2D array with a 5~mm pitch and a depth of 25~mm. The crystal array is read out by Silicon…

Instrumentation and Detectors · Physics 2021-03-24 R. Adams , C. Günther , N. Höflich , O. Pooth

Composite detectors made of stainless steel converters and multigap resistive plate chambers have been irradiated with quasi-monoenergetic neutrons with a peak energy of 175MeV. The neutron detection efficiency has been determined using two…

The GEM-based neutron detector has flourished in the past decade. However almost all the GEM-based neutron detectors work in the flow-gas mode, and the long-term performances of the detectors may be unstable due to the dynamic changes of…

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