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Research and development on alternative thermal neutron detection technologies and methods are nowadays needed as a possible replacement of 3He-based ones. Commercial solid state silicon detectors, coupled with neutron converter layers…

Instrumentation and Detectors · Physics 2017-03-07 Sergio Lo Meo , Luigi Cosentino , Paolo Bartolomei , Paolo Finocchiaro

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

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…

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

The production of flexible and robust thermal neutron detectors with improved properties as compared to the commercial ZnS:Ag based phosphors is here pursued, exploiting a siloxane binder, whose intrinsic properties as related to the…

Instrumentation and Detectors · Physics 2018-08-30 S. M. Carturan , M. Vesco , I. Bonesso , A. Quaranta , G. Maggioni , L. Stevanato , E. Zanazzi , T. Marchi , D. Fabris , M. Cinausero , F. Gramegna

We report on a comparison study of the $^{3}$He gas proportional tube and the $^{6}$Li incorporated scintillation glasses on thermal neutron detection efficiency. Both $^{3}$He and $^{6}$Li are used commonly for thermal neutron detection…

Instrumentation and Detectors · Physics 2015-06-15 Ming Xu , Zhi-Cheng Tang , Guo-Ming Chen , Jun-Quan Tao

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

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…

We have been developing a neutron detector with spatial resolution of submicron by loading 6Li into fine-grained nuclear emulsion. By exposure to thermal neutrons, tracks from neutron capture events were observed. From their grain density,…

Instrumentation and Detectors · Physics 2016-12-15 N. Naganawa , S. Awano , M. Hino , M. Hirose , K. Hirota , H. Kawahara , M. Kitaguchi , K. Mishima , T. Nagae , H. M. Shimizu , S. Tasaki , A. Umemoto

This paper summarizes the results from measurements aiming to characterize ultracold neutron detection with 6Li-doped glass scintillators. Single GS10 or GS20 scintillators, with a thickness of 100-200 micrometer, fulfill the ultracold…

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 thermal neutron detector with the domestically produced THGEM (THick Gas Electron Multiplier) was developed as an alternative to 3He to meet the needs of the next generation of neutron facilities. One type of Au-coated THGEM was…

Instrumentation and Detectors · Physics 2014-08-06 Yang Lei , Zhou Jian-Rong , Sun Zhi-Jia , Zhang Ying , Huang Chao-Qiang , Sun Guang-Ai , Wang Yan-Feng , Yang Gui-An , Xu Hong , Xie Yu-Guang , Chen Yuan-Bo

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

We report on the development of a fast neutron detector using a liquid scintillator doped with enriched Li-6. The lithium was introduced in the form of an aqueous LiCl micro-emulsion with a di-isopropylnaphthalene-based liquid scintillator.…

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

During 2014 the second experimental area EAR2 was completed at the n-TOF neutron beam facility at CERN. As the neutrons are produced via spallation, by means of a high-intensity 20 GeV pulsed proton beam impinging on a thick target, the…

Instrumentation and Detectors · Physics 2019-08-14 L. Cosentino , A. Musumarra , M. Barbagallo , N. Colonna , L. Damone , A. Pappalardo , M. Piscopo , P. Finocchiaro

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

Scintillators have long been known as radiation detectors and are still used in various applications. Recently, scintillators containing $^6$Li have been developed as neutron detectors and have attracted attention. $^6$Li absorbs thermal…

Instrumentation and Detectors · Physics 2023-01-09 Takashi Iida , Masao Yoshino , Kei Kamada , Rei Sasaki , Ryuga Yajima

The $^3$He(n,p) process is excellent for neutron detection between thermal and $\sim$4\,MeV because of the high cross section and near-complete energy transfer from the neutron to the proton. Traditional gaseous $^3$He detectors using this…

Instrumentation and Detectors · Physics 2024-09-04 A. N. Villano

Ultracold neutron (UCN) detectors using two visually very similar, to the microscopic level, pieces of optically contacted Cerium doped lithium glasses have been proposed for high rate UCN experiments. The chief difference between the two…

Instrumentation and Detectors · Physics 2015-05-11 Blair Jamieson , Lori Rebenitsch
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