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A new double time-of-flight (dTOF) neutron spectroscopy technique has been developed for pulsed broad spectrum sources with a duty cycle that results in frame overlap, where fast neutrons from a given pulse overtake slower neutrons from…

Instrumentation and Detectors · Physics 2020-10-07 K. P. Harrig , B. L. Goldblum , J. A. Brown , D. L. Bleuel , L. A. Bernstein , J. Bevins , M. Harasty , T. A. Laplace , E. F. Matthews

A neutron time projection chamber can locate the approximate direction of a neutron hot spot with high efficiency and a 4{\pi} field of view. The angular resolution can be significantly improved by adding several plastic scintillation…

Instrumentation and Detectors · Physics 2019-07-11 Yidong Fu , Yang Tian , Yulan Li , Yigang Yang , Yiming Cai , Jian Yang , Jin Li

We present a methodology for automated real-time analysis of a radio image data stream with the goal to find transient sources. Contrary to previous works, the transients we are interested in occur on a time-scale where dispersion starts to…

Instrumentation and Methods for Astrophysics · Physics 2021-08-09 David Ruhe , Mark Kuiack , Antonia Rowlinson , Ralph Wijers , Patrick Forré

Large-scale particle physics detectors often contain millions of repeated components, making precise and efficient quality control essential. We have developed a semiautomatic system for dimensional screening of 1 cm$^3$ plastic…

Instrumentation and Detectors · Physics 2026-03-31 Tatsuya Kikawa , Mao Tani , Atsuko K. Ichikawa , Tsunayuki Matsubara , Tsuyoshi Nakaya , Tomohisa Ogawa

We design and experimentally characterize a balanced homodyne detector optimized for high-repetition-rate (100 MHz) pulsed optical sources. Unlike conventional transimpedance-amplifier architectures, which suffer from nonlinearities and…

We present the development of a segmented fast neutron spectrometer (FaNS-2) based upon plastic scintillator and $^3$He proportional counters. It was designed to measure both the flux and spectrum of fast neutrons in the energy range of few…

Instrumentation and Detectors · Physics 2016-01-19 FaNS Collaboration , T. J. Langford , E. J. Beise , H. Breuer , C. R. Heimbach , G. Ji , J. S. Nico

Pulse-shape analysis of the ionization signals from germanium gamma-ray spectrometers is a method for obtaining information that can characterize an event beyond just the total energy deposited in the crystal. However, as typically…

Nuclear Experiment · Physics 2008-11-26 R. Suarez , J. L. Orrell , C. E. Aalseth , T. W. Hossbach , H. S. Miley

This paper describes a FADC Readout system developed for the tap water $\alpha/\beta$ dose monitoring system which is based on EJ444 phoswich scintillation detector and wavelength shifting fiber readout. The Readout system contains dual…

Instrumentation and Detectors · Physics 2020-10-28 Jingjun Wen , Daowei Dou , Jinfu Zhu , Zhi Zeng , Tao Xue , Jianmin Li , Junli Li , Yinong Liu

We developed a 12-liter volume neutron detector filled with the liquid scintillator EJ301 that measures neutrons in an underground laboratory where dark matter and neutrino experiments are located. The detector target is a cylindrical…

Instrumentation and Detectors · Physics 2015-06-15 C. Zhang , D. -M. Mei , P. Davis , B. Woltman , F. Gray

In rare events experiments, such as those devoted to the direct search of dark matter, a precise knowledge of the environmental gamma and neutron backgrounds is crucial for reaching the design experiment sensitivity. The neutron component…

Instrumentation and Detectors · Physics 2025-04-24 Lorenzo Ascenzo , Giovanni Benato , Yingjie Chu , Giuseppe Di Carlo , Andrea Molinario , Silvia Vernetto

This technical note is on digital filters for the high-fidelity estimation of a sinusoidal signal's frequency in the presence of additive noise. The complex noise is assumed to be white (i.e. uncorrelated) however it need not be Gaussian.…

Signal Processing · Electrical Eng. & Systems 2023-08-15 Hugh Lachlan Kennedy

Detection of photons with scintillating inorganic crystals in the high-energy range (> 0.1 MeV) will be discussed, making a comparison with other available methods. Energy resolutions up to 2 % at 662 keV and fast decay time of the order of…

Instrumentation and Detectors · Physics 2025-05-13 M. Bonesini

Radionuclide Identification Devices (RIDs) or Backpack Radiation Detection Systems (BRDs) are often equipped with NaI(Tl) detectors. We demonstrate that such instruments could be provided with reasonable thermal- and fast-neutron…

Instrumentation and Detectors · Physics 2022-08-16 Guntram Pausch , Achim Kreuels , Falko Scherwinski , Yong Kong , Mathias Kuester , Ralf Lentering , Andreas Wolf , Juergen Stein

To reach the next frontier in multimode nonlinear optics, it is crucial to better understand the classical and quantum phenomena of systems with many interacting degrees of freedom -- both how they emerge and how they can be tailored to…

With present-day detectors in high energy physics one often faces fast analog pulses of a few nanoseconds length which cover large dynamic ranges. In many experiments both amplitude and timing information have to be measured with high…

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…

SuperCDMS is the next phase of the Cryogenic Dark Matter Search experiment, which measures both phonon and charge signals generated by particle recoils within a germanium target mass. Charge signals are employed both in the definition of a…

Instrumentation and Detectors · Physics 2019-08-13 S. A. Hertel , M. Pyle

The CAEN V1751 is a new generation of Waveform Digitizer recently introduced by CAEN SpA. It features 8 Channels per board, 10 bit, 1 GS/s using Flash ADCs Waveform Digitizers (or 4 channels at 2 GS/s in Dual Edge Sampling mode) with…

Instrumentation and Methods for Astrophysics · Physics 2012-07-03 R. Acciarri , N. Canci , F. Cavanna , A. Cortopassi , M. D'Incecco , G. Mini , F. Pietropaolo , A. Romboli , E. Segreto , A. M. Szelc

A plasma focus device capable of operating at 0.2 pulses per second during several minutes is used as a source of hard x-rays and fast neutrons. An experimental demonstration of the use of the neutrons emissions for radiation probing of…

Instrumentation and Detectors · Physics 2009-01-15 V Raspa , F Di Lorenzo , P Knoblauch , A Lazarte , A Tartaglione , A Clausse , C Moreno