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The fast neutrons produced by a calibrated 241Am-Be source were detected by two different Cs2LiYCl6:Ce (CLYC) scintillator detectors. The two cylindrical crystals (1"x1" in size) were enriched with more than 99% of 7Li (C7LYC) and with…

Instrumentation and Detectors · Physics 2018-07-31 N. Blasi , S. Brambilla , F. Camera , S. Ceruti , A. Giaz , L. Gini , F. Groppi , S. Manenti , A. Mentana , B. Million , S. Riboldi

The photoneutron source (PNS, phase 1), an electron linear accelerator (linac)-based pulsed neutron facility that uses the time-of-flight (TOF) technique, was constructed for the acquisition of nuclear data from the thorium molten salt…

The principle of operation, design, registration system and main characteristics of a fast neutrons spectrometer are described. The spectrometer is intended for direct measurements of ultra low fluxes of fast neutrons. It is sensitive to…

Instrumentation and Detectors · Physics 2009-09-25 J. N. Abdurashitov , V. N. Gavrin , A. V. Kalikhov , A. A. Shikhin , V. E. Yants , O. S. Zaborsky

Scintillator detectors electronics is recalibrated against the datasheet given by the manufacturer. Optimal and mutual dependent values of (a) high voltage at PMT (Photomultiplier Tube), (b) amplifier gain, (c) average time to count the…

Instrumentation and Detectors · Physics 2023-03-07 Mayank Goswami , Kajal Kumari

We report on a new algorithm for detection of crystallographic information in 3D, as retained in Atom Probe Tomography (APT), with improved robustness and signal detection performance. The algorithm is underpinned by 1D distribution…

Materials Science · Physics 2019-05-22 Daniel Haley , Paul A. J. Bagot , Michael P. Moody

An ultra-high-speed waveform digitizer prototype based on gigabit Ethernet has been developed. The prototype is designed to read out signals of detectors to realize the accurate measurement of various physical quantities for plasma…

Instrumentation and Detectors · Physics 2018-06-22 Weigang Yin , Lian Chen , Feng Li , Ge Jin

Gadolinium-aluminum-gallium garnet Gd${}_{3}$Al${}_{2}$Ga${}_{3}$O${}_{12}$:Ce scintillator is demonstrated to be an excellent scintillation material for detector of fast neutrons for the first time. Moreover, its application allows to…

Two single channel detection units for thermal neutron detection are investigated in a neutron beam. They consist of two ZnS/${}^6$LiF scintillating layers sandwiching an array of WLS fibers. The pattern of this units can be repeated…

Instrumentation and Detectors · Physics 2015-06-19 J. -B. Mosset , A. Stoykov , U. Greuter , M. Hildebrandt , N. Schlumpf , H. Van Swygenhoven

In a dedicated test setup at the Kamioka Observatory we studied pulse shape discrimination (PSD) in liquid xenon (LXe) for dark matter searches. PSD in LXe was based on the observation that scintillation light from electron events was…

We present a characterization of a small (9-liter) and mobile 0.1% 6Li-doped pulse-shape-sensitive plastic scintillator antineutrino detector called SANDD (Segmented AntiNeutrino Directional Detector), constructed for the purpose of…

Instrumentation and Detectors · Physics 2021-06-02 F. Sutanto , T. M. Classen , S. A. Dazeley , M. J. Duvall , I. Jovanovic , V. A. Li , A. N. Mabe , E. T. E. Reedy , T. Wu

Pulse-shape discrimination (PSD) is usually achieved using the different fast and slow decay components of inorganic scintillators, such as BaF2, CsI:Tl, etc. However, LaBr3:Ce is considered to not possess different components at room…

Instrumentation and Detectors · Physics 2021-09-03 Jirong Cang , XinChao Fang , Zhi Zeng , Ming Zeng , Yinong Liu , Zhigang Sun , Ziyun Chen

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 report on the possibility of using Silicon Photomultipliers (SiPMs) to detect the scintillation light from neutron conversion in ZnS:6LiF scintillators. The light is collected by wavelength-shifting fibers embedded into the scintillator.…

Instrumentation and Detectors · Physics 2015-06-18 A. Stoykov , J. -B. Mosset , U. Greuter , M. Hildebrandt , N. Schlumpf

We have built a CsI(Tl) gamma-ray detector array for the NPDGamma experiment to search for a small parity-violating directional asymmetry in the angular distribution of 2.2 MeV gamma-rays from the capture of polarized cold neutrons by…

Accelerator-driven system (ADS) facilities world-wide opens new opportunities for nuclear physics investigations, so that a high flux of neutrons through spallation reactions can be produced at these facilities. It is known that the…

Instrumentation and Detectors · Physics 2023-04-27 S. Nuruyev , D. Berikov , R. Akbarov , G. Ahmadov , F. Ahmadov , A. Sadigov , M. Holik , J. Naghiyev , A. Madadzada , K. Udovichenko

A plastic scintillator bar with dimensions 300 cm x 2.5 cm x 11 cm was exposed to a focused muon beam to study its light yield and timing characteristics as a function of position and angle of incidence. The scintillating light was read out…

Instrumentation and Detectors · Physics 2017-08-07 A. Blondel , D. Breton , A. Dubreuil , A. Khotyantsev , A. Korzenev , J. Maalmi , A. Mefodev , P. Mermod , E. Noah

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.…

The widespread diffusion of precision radiotherapy techniques, geared toward the release of larger dose gradients in shorter time frames, is leading to new challenges in dosimetry. Accurate dose measurements are essential to check for beam…

Medical Physics · Physics 2022-05-17 S. Pettinato , M. Girolami , R. Olivieri , A. Stravato , C. Caruso , S. Salvatori

Coincidence and time-of-flight measurement techniques are employed to tag fission neutrons emitted from a 252Cf source sealed on one side with a very thin layer of Au. The source is positioned within a gaseous 4He scintillator detector.…