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The measurement of environmental neutrons is particularly important in the search for new physics, such as dark matter particles, because neutrons constitute an often-irreducible background source. The measurement of the neutron energy…

Instrumentation and Detectors · Physics 2023-01-13 T. Shiraishi , S. Akamatsu , T. Naka , T. Asada , G. De Lellis , V. Tioukov , G. Rosa , R. Kobayashi , N. Ambrosio , A. Alexandrov , O. Sato

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

The next generation of very-short-baseline reactor experiments will require compact detectors operating at surface level and close to a nuclear reactor. This paper presents a new detector concept based on a composite solid scintillator…

The response of the liquid scintillator array Nordball to neutrons in the energy range 1.5 < T_n < 10 MeV has been measured by time of flight using a 252Cf fission source. Fission fragments were detected by means of a thin-film plastic…

Instrumentation and Detectors · Physics 2009-11-11 A. Reiter

We investigate scintillation linearity of a commercial high pressure $^4$He gas detector using monoenergetic 2.8 MeV neutrons from a deuterium-deuterium fusion neutron generator. The scintillation response of the detector was measured for a…

Instrumentation and Detectors · Physics 2019-10-23 A. Biekert , S. A. Hertel , E. Huebler , J. Lin , H. D. Pinckney , R. K. Romani , A. Serafin , V. Velan , D. N. McKinsey

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

Ambient neutrons may cause significant background for underground experiments. Therefore, it is necessary to investigate their flux and energy spectrum in order to devise a proper shielding. Here, two sets of altogether ten moderated $^3$He…

In this study, we have developed a new sub-MeV neutron detector that has a high position resolution, energy resolution, directional sensitivity, and low background. The detector is based on a super-fine-grained nuclear emulsion, called the…

Instrumentation and Detectors · Physics 2022-09-01 T. Shiraishi , I. Todoroki , T. Naka , A. Umemoto , R. Kobayashi , O. Sato

We have measured the mass diffusion coefficient D of 3He in superfluid 4He at temperatures lower than were previously possible. The experimental technique utilizes scintillation light produced when neutron react with 3He nuclei, and allows…

A portable monoenergetic 24 keV neutron source based on the $^{124}$Sb-$^9$Be photoneutron reaction and an iron filter has been constructed and characterized. The coincidence of the neutron energy from SbBe and the low interaction…

We discuss prospects for probing Z-prime and non-standard neutrino interactions using neutrino-nucleus coherent scattering with ultra-low energy (~ 10 eV) threshold Si and Ge detectors. The analysis is performed in the context of a specific…

High Energy Physics - Phenomenology · Physics 2016-03-04 Bhaskar Dutta , Rupak Mahapatra , Louis E. Strigari , Joel W. Walker

To address the problem of the shortage of neutron detectors used in radiation portal monitors (RPMs), caused by the 3He supply crisis, research on a cadmium-based capture-gated fast neutron detector is presented in this paper. The detector…

Instrumentation and Detectors · Physics 2016-08-03 Yi Liu , Yigang Yang , Yang Tai , Zhi Zhang

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

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.…

In this work, we present the design of a new modular and transportable neutron detector for ({\alpha},n) reactions. The detector is based on the use of several 3He-filled proportional counters embedded in high density polyethylene. In order…

Instrumentation and Detectors · Physics 2022-05-05 N Mont-Geli , A Tarifeño-Saldivia , F Calviño , M Pallàs , J L Tain

Knowledge of the neutron light-yield response is crucial to the understanding of scintillator-based neutron detectors. In this work, neutrons from 2--6 MeV have been used to study the scintillation light-yield response of the liquid…

The deployment of a low-noise 3 kg p-type point contact germanium detector at the Dresden-II power reactor, 8 meters from its 2.96 GW$_{th}$ core, is described. This location provides an unprecedented (anti)neutrino flux of 8.1$\times…

High Energy Physics - Experiment · Physics 2021-10-13 J. Colaresi , J. I. Collar , T. W. Hossbach , A. R. L. Kavner , C. M. Lewis , A. E. Robinson , K. M. Yocum

A monitoring system for fast neutrons is planned in the COSINE experiment, a dark matter experiment with NaI crystals. We pursued several R&D approaches for a neutron detector using a liquid scintillator (LS). A pulse shape discrimination…

Instrumentation and Detectors · Physics 2018-07-25 G. Adhikari , P. Adhikari , C. Ha , E. J. Jeon , K. W. Kim , N. Y. Kim , Y. D. Kim , Y. J. Ko , H. S. Lee , J. Lee , M. H. Lee , R. H. Maruyama , S. L. Olsen , H. Prihtiadi

A novel experiment has been commissioned at the Weizmann Institute of Science for the study of weak interactions via a high-precision measurement of the beta-neutrino angular correlation in the radioactive decay of short-lived $^{6}$He. The…

Nuclear Experiment · Physics 2017-11-23 I. Mukul , M. Hass , O. Heber , T. Y. Hirsh , Y. Mishnayot , M. L. Rappaport , G. Ron , Y. Shachar , S. Vaintraub