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Energy-resolved neutron imaging at a pulsed source utilizes the energy-dependent neutron transmission measured via time-of-flight to extract quantitative information about the internal microstructure of an object. At the RADEN instrument at…

In recent works we discussed the feasibility of the radar detection technique as a new method to probe high-energy cosmic-neutrino induced plasmas in ice. Using the different properties of the induced ionization plasma, an energy threshold…

High Energy Astrophysical Phenomena · Physics 2018-02-16 Krijn D. de Vries , Paul Coppin , Aongus O'Murchadha , Olaf Scholten , Simona Toscano , Nick van Eijndhoven

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

This paper introduces in full detail a methodology for the measurement of neutron yield and the necessary efficiency calibration, to be applied to the intensity measurement of neutron bursts where individual neutrons are not resolved in…

Instrumentation and Detectors · Physics 2011-10-13 Ariel Tarifeño-Saldivia , Roberto E. Mayer , Cristian Pavez , Leopoldo Soto

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 study shows an implementation of neutron-gamma pulse shape discrimination (PSD) using a two-dimensional convolutional neural network. The inputs to the network are snapshots of the unprocessed, digitized signals from a BC501A detector.…

Instrumentation and Detectors · Physics 2023-06-19 Annesha Karmakar , Anikesh Pal , G. Anil Kumar , Bhavika , V. Anand , Mohit Tyagi

An experimental setup is proposed for the precise measurement of the quantum states of ultracold neutrons bound in the earth's gravitational field. The experiment utilizes a CCD-based pixel sensor and magnification system to observe the…

Instrumentation and Detectors · Physics 2009-01-06 T. Sanuki , S. Komamiya , S. Kawasaki , S. Sonoda

It is very important to measure the plasma performances of fusion reactors such as fuel ion density, plasma temperature, fusion power, fast neutron energy, and neutron flux. Various diagnostic systems are needed to measure fast neutron…

Nuclear Experiment · Physics 2024-07-10 Iskender Atilla Reyhancan

A method for calibration of cryogenic liquid argon detector response to recoils with certain energy -8.2 keV - is proposed. The method utilizes a process of inelastic scattering of monoenergetic neutrons produced by fusion DD neutron…

Instrumentation and Detectors · Physics 2014-07-11 Sergey Polosatkin , Evgeny Grishnyaev , Alexander Dolgov

A series of test experiments on three different Si-based neutron detectors, namely a 1-d 128 channel, 0.5 mm space resolution Si microstrip sensor coupled to natural Gd converter, a medium size ? 1 cm2 PIN diode coupled to nGd2O3 or…

Instrumentation and Detectors · Physics 2018-05-04 G. Mauri , M. Mariotti , F. Casinini , F. Sacchetti , C. Petrillo

Existing Charge-Coupled Devices (CCDs) operate by detecting either the electrons or holes created in an ionization event. We propose a new type of imager, the Dual-Sided CCD, which collects and measures both charge carriers on opposite…

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

We propose a new wide-field imaging method that exploits the Localized Surface Plasmon Resonance phenomenon to produce super-resolution images with an optical microscope equipped with a custom design polarization analyzer module. In this…

Instrumentation and Methods for Astrophysics · Physics 2023-10-09 Andrey Alexandrov , Takashi Asada , Fabio Borbone , Valeri Tioukov , Giovanni De Lellis

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 novel large volume spherical proportional counter, recently developed, is used for neutron measurements. Gas mixtures of $N_{2}$ with $C_{2}H_{6}$ and pure $N_{2}$ are studied for thermal and fast neutron detection, providing a new way…

Charge collection properties of depleted CMOS pixel detector prototypes produced on p-type substrate of 2 k$\Omega$cm initial resistivity (by LFoundry 150 nm process) were studied using Edge-TCT method before and after neutron irradiation.…

Neutron imaging is one of the most powerful tools for nondestructive inspection owing to the unique characteristics of neutron beams, such as high permeability for many heavy metals, high sensitivity for certain light elements, and isotope…

Beam monitoring and evaluation are very important to boron neutron capture therapy (BNCT), and a variety of detectors have been developed for these applications. However, most of the detectors used in BNCT only have a small detection area,…

Instrumentation and Detectors · Physics 2023-06-14 Zhujun Fang , Zhiyong Zhang , Bin Shi , Wei Jiang , Xianke Liu , Siqi He , Jun Chen , Ping Cao , Jianbei Liu , Yi Zhou , Ming Shao , Botian Qu , Shufeng Zhang , Qian Wang

Charged defects in 2D materials have emerging applications in quantum technologies such as quantum emitters and quantum computation. Advancement of these technologies requires rational design of ideal defect centers, demanding reliable…

Materials Science · Physics 2017-12-13 Feng Wu , Galatas Andrew , Ravishankar Sundararaman , Dario Rocca , Yuan Ping

Monitoring of high energy cosmic ray neutrons is of particular interest for cosmic ray water Cherenkov detectors as intense bundles of delayed neutrons have been found to arrive after the initial passage of a high energy air shower. In this…

Instrumentation and Detectors · Physics 2022-03-02 P. Stowell , S. Fargher , L. F. Thompson , A. M. Brown , P. M. Chadwick