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The measurement of the photon number distribution (PND) allows one to extract metrics of non-classicality of fundamental and technological relevance, but in principle it requires the use of detectors with photon number resolving (PNR)…

The DEAP-3600 detector searches for the scintillation signal from dark matter particles scattering on a 3.3 tonne liquid argon target. The largest background comes from $^{39}$Ar beta decays and is suppressed using pulseshape discrimination…

Instrumentation and Detectors · Physics 2021-09-28 The DEAP Collaboration , P. Adhikari , R. Ajaj , M. Alpízar-Venegas , P. -A. Amaudruz , D. J. Auty , M. Batygov , B. Beltran , H. Benmansour , C. E. Bina , J. Bonatt , W. Bonivento , M. G. Boulay , B. Broerman , J. F. Bueno , P. M. Burghardt , A. Butcher , M. Cadeddu , B. Cai , M. Cárdenas-Montes , S. Cavuoti , M. Chen , Y. Chen , B. T. Cleveland , J. M. Corning , D. Cranshaw , S. Daugherty , P. DelGobbo , K. Dering , J. DiGioseffo , P. Di Stefano , L. Doria , F. A. Duncan , M. Dunford , E. Ellingwood , A. Erlandson , S. S. Farahani , N. Fatemighomi , G. Fiorillo , S. Florian , T. Flower , R. J. Ford , R. Gagnon , D. Gallacher , P. García Abia , S. Garg , P. Giampa , D. Goeldi , V. Golovko , P. Gorel , K. Graham , D. R. Grant , A. Grobov , A. L. Hallin , M. Hamstra , P. J. Harvey , C. Hearns , T. Hugues , A. Ilyasov , A. Joy , B. Jigmeddorj , C. J. Jillings , O. Kamaev , G. Kaur , A. Kemp , I. Kochanek , M. Kuźniak , M. Lai , S. Langrock , B. Lehnert , A. Leonhardt , N. Levashko , X. Li , J. Lidgard , T. Lindner , M. Lissia , J. Lock , G. Longo , I. Machulin , A. B. McDonald , T. McElroy , T. McGinn , J. B. McLaughlin , R. Mehdiyev , C. Mielnichuk , J. Monroe , P. Nadeau , C. Nantais , C. Ng , A. J. Noble , E. O'Dwyer , G. Oliviéro , C. Ouellet , S. Pal , P. Pasuthip , S. J. M. Peeters , M. Perry , V. Pesudo , E. Picciau , M. -C. Piro , T. R. Pollmann , E. T. Rand , C. Rethmeier , F. Retière , I. Rodríguez-García , L. Roszkowski , J. B. Ruhland , E. Sánchez-García , R. Santorelli , D. Sinclair , P. Skensved , B. Smith , N. J. T. Smith , T. Sonley , J. Soukup , R. Stainforth , C. Stone , V. Strickland , M. Stringer , B. Sur , J. Tang , E. Vázquez-Jáuregui , S. Viel , J. Walding , M. Waqar , M. Ward , S. Westerdale , J. Willis , A. Zuñiga-Reyes

We present a convolutional autoencoder to denoise pulses from a p-type point contact high-purity germanium detector similar to those used in several rare event searches. While we focus on training procedures that rely on detailed detector…

We explore the use of microstructured semiconductor neutron detectors (MSNDs) to map the ratio between thermal neutrons and higher energy neutrons. The system consists of alternating layers of modular neutron detectors (MNDs), each…

Instrumentation and Methods for Astrophysics · Physics 2020-04-22 Alejandro Soto , Ryan G. Fronk , Kerry Neal , Bent Ehresmann , Steven L. Bellinger , Michael Shoffner , Douglas S. McGregor

There have been many reports of non-statistical effects in neutron-capture measurements. However, reports of deviations of reduced-neutron-width distributions from the expected Porter-Thomas (PT) shape largely have been ignored. Most of…

The Lanthanum Halide scintillator detectors have been widely used for nuclear spectroscopy experiments because of their excellent energy and time resolutions. Despite having these advantages, the intrinsic alpha and beta contaminations in…

Instrumentation and Detectors · Physics 2021-08-11 D. Chattopadhyay , Sathi Sharma , M. Saha Sarkar

We investigate the feasibility and performance of photon-number-resolved photodetection employing single-photon avalanche photodiodes (SPADs) with low dark counts. While the main idea, to split $n$ photons into $m$ detection modes with no…

Instrumentation and Detectors · Physics 2020-05-28 Rajveer Nehra , Chun-Hung Chang , Qianhuan Yu , Andreas Beling , Olivier Pfister

Stochastic neutron transport theory is applied to the derivation of the two-neutron-detectors cross power spectral density for subcritical assemblies when external pulsed sources are used. A general relationship between the two-detector…

Data Analysis, Statistics and Probability · Physics 2007-05-23 Daniel Ballester , Jose L. Munoz-Cobo

Extracting quantitative information about highly scattering surfaces from an imaging system is challenging because the phase of the scattered light undergoes multiple folds upon propagation, resulting in complex speckle patterns. One…

Various neutron diagnostic tools are used in fusion reactors to evaluate different aspects of plasma performance, such as fusion power, power density, ion temperature, fast ion energy, and their spatial distributions. The stilbene…

Nuclear Experiment · Physics 2015-06-03 Seung Kyu Lee , Byoung-Hwi Kang , Gi-Dong Kim , Yong-Kyun Kim

A photon detector combining the two avalanche photon diodes (APD) has been demonstrated for qubit discrimination in 1550 nm. Spikes accompanied with the signals in gated-mode were canceled by balanced output from the two APDs. The spike…

Quantum Physics · Physics 2016-09-08 Akihisa Tomita , Kazuo Nakamura

A neutron detector based on EJ301 liquid scintillator has been employed at EAST to measure the neutron energy spectrum for D-D fusion plasma. The detector was carefully characterized in different quasi-monoenergetic neutron fields generated…

Instrumentation and Detectors · Physics 2013-04-30 Xi Yuan , Xing Zhang , Xufei Xie , G. Gorini , Zhongjing Chen , Xingyu Peng , Jinxiang Chen , Guohui Zhang , Tieshuan Fan , Guoqiang Zhong , Liqun Hu , Baonian Wan

Due to the Helium-3 crisis, alternatives to the standard neutron detection techniques are becoming urgent. In addition, the instruments of the European Spallation Source (ESS) require advances in the state of the art of neutron detection.…

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

Scintillating fibre detectors combine sub-mm resolution particle tracking, precise measurements of the particle stopping power and sub-ns time resolution. Typically, fibres are read out with silicon photomultipliers (SiPM). Hence, if fibres…

Discrimination of fast neutrons, thermal neutrons, and $\gamma$ rays in mixed radiation fields is important for radiation monitoring, reactor-related measurements, and background suppression in nuclear experiments. In this work, we…

Instrumentation and Detectors · Physics 2026-04-30 Yuhang Liu , Fengpeng An , Guang Luo , Wei Wang , Xuesong Zhang , Dixiao Lu , Xiaohao Yin

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

Many types of anomaly detection methods have been proposed recently, and applied to a wide variety of fields including medical screening and production quality checking. Some methods have utilized images, and, in some cases, a part of the…

Computer Vision and Pattern Recognition · Computer Science 2018-10-08 Minori Narita , Daiki Kimura , Ryuki Tachibana

An optical gateway to convert four-level pulse amplitude modulation to quadrature phase shift keying modulation format having shaping gain was proposed for flexible intensity to phase mapping which exploits non-uniform phase noise. The…

Signal Processing · Electrical Eng. & Systems 2022-04-06 Takahiro Kodama , Toshiaki Koike-Akino , David S. Millar , Keisuke Kojima , Kieran Parsons

This letter is devoted to point out a specific character of the Finite-Difference-Time-Domain method through the study of nano-structures supporting geometrical symmetry-protected modes that can not be excited at certain conditions of…

Optics · Physics 2020-10-02 A. Hoblos , M. Suarez , B. Guichardaz , N. Courjal , M. -P. Bernal , F. I. Baida