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Nowadays neutron scattering science is increasing its instrumental power. Most of the neutron sources in the world are pushing the development of their technologies to be more performing. The neutron scattering development is also pushed by…

Instrumentation and Detectors · Physics 2019-08-14 Francesco Piscitelli

Neutron scattering techniques offer a unique combination of structural and the dynamic information of atomic and molecular systems over a wide range of distances and times. The increasing complexity in science investigations driven by…

Instrumentation and Detectors · Physics 2019-05-30 Giacomo Mauri

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

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

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

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

We report on the development of a 10B conversion layer optimized for ultra-cold neutron detection with silicon detectors. The efficiency of this layer is high and roughly uniform over a large ultra-cold neutron velocity range. The designed…

The Multi-Blade is a Boron-10-based gaseous thermal neutron detector developed to face the challenge arising in neutron reflectometry at neutron sources. Neutron reflectometers are challenging instruments in terms of instantaneous counting…

The 3He-based neutron detectors are no longer the default solution for neutron scattering applications. Both the inability of fulfilling the requirements in performance, needed for the new instruments, and the shortage of 3He, drove a…

Instrumentation and Detectors · Physics 2020-03-13 Giacomo Mauri , Francesco Messi , Kalliopi Kanaki , Richard Hall-Wilton , Francesco Piscitelli

The Multi-Blade is a Boron-10-based gaseous detector developed for neutron reflectometry instruments at the European Spallation Source (ESS) in Sweden. The main challenges for neutron reflectometry detectors are the instantaneous counting…

Nowadays neutron facilities are going toward higher fluxes, e.g. the European Spallation Source (ESS) in Lund (Sweden), and this translates into a higher demand in the instrument performances. Because of its favorable properties,He-3 has…

Instrumentation and Detectors · Physics 2014-06-13 Francesco Piscitelli

The Multi-Blade is a Boron-10-based gaseous detector introduced to face the challenge arising in neutron reflectometry at pulsed neutron sources. Neutron reflectometers are the most challenging instruments in terms of instantaneous counting…

The boron-10 based Multi-Grid detector is being developed as an alternative to helium-3 based neutron detectors. At the European Spallation Source, the detector will be used for time-of-flight neutron spectroscopy at cold to thermal neutron…

The globally increased demand for helium-3 along with the limited availability of this gas calls for the development of alternative technologies for the large ESS instrumentation pool. We report on the CASCADE Project - a novel detection…

Instrumentation and Detectors · Physics 2016-11-03 M. Köhli , M. Klein , F. Allmendinger , A. -K. Perrevoort , T. Schröder , N. Martin , C. J. Schmidt , U. Schmidt

Currently, many detector technologies for thermal neutron detection are in development in order to lower the demand for the rare 3He gas. Gas detectors with solid thin film neutron converters readout by gas proportional counter method have…

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

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…

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 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 worldwide need to replace 3He for the neutron detection has triggered R&D on new technologies and methods. A promising one is based on commercial solid state silicon detectors coupled with thin neutron converter layers containing 6Li.…

Instrumentation and Detectors · Physics 2016-01-20 A. Pappalardo , M. Barbagallo , L. Cosentino , C. Marchetta , A. Musumarra , C. Scirè , S. Scirè , G. Vecchio , P. Finocchiaro
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