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A novel modular high-resolution charged-particle tracking detector design using $250\mu m$ diameter, round, scintillating fibers and SiPM arrays for readout is presented. The fiber modules consist of 8 layers of 128 fibers, mechanically sta…

Instrumentation and Detectors · Physics 2008-11-26 Henning Gast , Thomas Kirn , Gregorio Roper Yearwood , Stefan Schael

We present measurements of the scintillation pulse shape in liquid xenon for nuclear recoils (NR) and electronic recoils (ER) at electric fields of 0 to 0.5 kV/cm for energies $<$ 15 keV and $<$ 70 keV electron-equivalent, respectively. The…

Instrumentation and Detectors · Physics 2018-05-24 E. Hogenbirk , J. Aalbers , P. A. Breur , M. P. Decowski , K. van Teutem , A. P. Colijn

Fast-neutron/gamma-ray pulse-shape discrimination has been performed for the organic liquid scintillators NE 213A and EJ 305 using a time-of-flight based neutron-tagging technique and waveform digitization on an event-by-event basis.…

We present a method for detecting neutrons using scintillating lithium gadolinium borate crystal shards in a plastic matrix while maintaining high gamma rejection. We have procured two cylindrical detectors, 5"\times5", containing 1%…

Nuclear Experiment · Physics 2011-09-20 Kareem Kazkaz , Nathaniel S. Bowden , Marisa Pedretti

We characterize the performance of two pixelated neutron detectors: a PMT-based array that utilizes Anger logic for pixel identification and a SiPM-based array that employs individual pixel readout. The SiPM-based array offers improved…

Instrumentation and Detectors · Physics 2024-01-31 J. Balajthy , P. Marleau , M. Sweany

We present prototype modules for a tracking detector consisting of multiple layers of 0.25 mm diameter scintillating fibers that are read out by linear arrays of silicon photomultipliers. The module production process is described and…

A novel beam profiler based on microstructured scintillation resin is presented. The detector consists of a bundle of waveguides, with an active area of 30 x 30 mm$^2$ and a pitch of 400 $\mu$m, obtained by molding a scintillating resin…

Pulse Shape Discrimination (PSD) is a widely used technique in many experimental analysis. In this study, we specifically aimed to assess the effectiveness of PSD in accurately measuring decay time. We measured the decay times of a 0.1 wt%…

High Energy Physics - Experiment · Physics 2024-10-29 S. B. Hong , J. S. Park

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

In order to develop a high spatial resolution (micron level) thermal neutron detector, a detector assembly composed of cerium doped lithium glass microfibers, each with a diameter of 1\,$\mu$m, is proposed, where the neutron absorption…

Instrumentation and Detectors · Physics 2016-06-14 Song Yushou , Joseph Conner , Xiaodong Zhang , Jason P. Hayward

The continued advancements of Silicon Photomultipliers (SiPMs) have made them viable photosensors for low recoil energy Pulse Shape Discrimination (PSD) between fast neutron and gamma interactions when coupled to an appropriate…

Instrumentation and Detectors · Physics 2023-02-01 B. Boxer , B. Godfrey , C. Grace , J. Johnson , R. Khandwala , M. Tripathi

The next generation of radioactive ion beam facilities, which will give experimental access to many exotic nuclei, are presently being developed. These facilities will make it possible to study very short lived exotic nuclei with extreme…

Instrumentation and Detectors · Physics 2009-05-14 Pär-Anders Söderström

The basic principles of detection of fast neutrons with liquid scintillator detectors are reviewed, together with a real example in the form of the Neutron Wall array. Two of the challenges in neutron detection, discrimination of neutrons…

Nuclear Experiment · Physics 2008-12-08 P. -A. Söderström

The results of an experimental feasibility study of a position sensitive thermal neutron detector based on a resistive plate chamber (RPC) are presented. The detector prototype features a thin-gap (0.35 mm) hybrid RPC with an aluminium…

Silicon photomultipliers (SiPMs) are a good alternative to photomultiplier tubes (PMTs) because their gain and quantum efficiency are comparable to PMTs. However, the largest single-chip SiPM is still less than 1~cm$^2$. In order to use…

Instrumentation and Detectors · Physics 2017-11-17 Felix Liang , Hartmut Brands , Les Hoy , Jeff Preston , Jason Smith

The magnetised near detector (ND280) of the T2K long-baseline neutrino oscillation experiment has been recently upgraded aiming to satisfy the requirement of reducing the systematic uncertainty from measuring the neutrinonucleus interaction…

High Energy Physics - Experiment · Physics 2024-11-01 S. Abe , I. Alekseev , T. Arai , T. Arihara , S. Arimoto , N. Babu , V. Baranov , L. Bartoszek , L. Berns , S. Bhattacharjee , A. Blondel , A. V. Boikov , M. Buizza-Avanzini , J. Capó , J. Cayo , J. Chakrani , P. S. Chong , A. Chvirova , M. Danilov , C. Davis , Yu. I. Davydov , A. Dergacheva , N. Dokania , D. Douqa , T. A. Doyle , O. Drapier , A. Eguchi , J. Elias , D. Fedorova , S. Fedotov , D. Ferlewicz , Y. Fuji , Y. Furui , A. Gendotti , A. Germer , L. Giannessi , C. Giganti , V. Glagolev , J. Hu , K. Iwamoto , M. Jakkapu , C. Jesús-Valls , J. Y. Ji , C. K. Jung , H. Kakuno , S. P. Kasetti , M. Kawaue , M. Khabibullin , A. Khotjantsev , T. Kikawa , H. Kikutani , H. Kobayashi , T. Kobayashi , S. Kodama , M. Kolupanova , A. Korzenev , U. Kose , Y. Kudenko , S. Kuribayashi , T. Kutter , M. Lachat , K. Lachner , D. Last , N. Latham , D. Leon Silverio , B. Li , W. Li , Z. Li , C. Lin , L. S. Lin , S. Lin , T. Lux , K. Mahtani , L. Maret , D. A. Martinez Caicedo , S. Martynenko , T. Matsubara , C. Mauger , C. McGrew , J. McKean , A. Mefodiev , E. Miller , O. Mineev , A. L. Moreno , A. Muñoz , T. Nakadaira , K. Nakagiri , V. Nguyen , L. Nicola , E. Noah , T. Nosek , W. Okinaga , L. Osu , V. Paolone , S. Parsa , R. Pellegrino , M. A. Ramirez , M. Reh , C. Ricco , A. Rubbia , K. Sakashita , N. Sallin , F. Sanchez , T. Schefke , C. M. Schloesser , D. Sgalaberna , A. Shvartsman , N. Skrobova , A. J. Speers , I. A. Suslov , S. Suvorov , D. Svirida , S. Tairafune , H. Tanigawa , A. Teklu , V. V. Tereshchenko , M. Tzanov , I. I. Vasilyev , H. T. Wallace , N. Whitney , K. Wood , Y. -h. Xu , G. Yang , N. Yershov , M. Yokoyama , Y. Yoshimoto , X. Zhao , H. Zheng , T. Zhu , P. Zilberman , E. D. Zimmerman

Pressurized Helium-4 (PHe) based fast neutron scintillation detector offers an useful alternative to organic liquid-based scintillator due to its relatively low response to the $\gamma$-rays compared to the latter type of scintillator. In…

Instrumentation and Detectors · Physics 2024-09-04 Shubham Dutta , Sayan Ghosh , Satyajit Saha

We report on the response of a high light-output NaI(Tl) crystal to nuclear recoils induced by neutrons from an Am-Be source and compare the results with the response to electron recoils produced by Compton scattered 662 keV $\gamma$-rays…

The scintillation mechanism in NaI:Tl crystals produces different pulse shapes that are dependent on the incoming particle type. The time distribution of scintillation light from nuclear recoil events decays faster than for electron recoil…

A scalable 16-ch thermal neutron detection system has been developed in the framework of the upgrade of a neutron diffractometer. The detector is based on ZnS:${}^6$LiF scintillator with embedded WLS fibers which are read out with SiPMs. In…

Instrumentation and Detectors · Physics 2017-03-08 J. -B. Mosset , A. Stoykov , U. Greuter , A. Gromov , M. Hildebrandt , T. Panzner , N. Schlumpf