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A low-background neutron detector array was developed to measure the cross section of the $^{13}$C($\alpha$,n)$^{16}$O reaction, which is the neutron source for the $s$-process in AGB stars, in the Gamow window ($E_{c.m.}$ = 190 $\pm$ 40…

Instrumentation and Detectors · Physics 2022-03-18 Y. T. Li , W. P. Lin , B. Gao , H. Chen , H. Huang , Y. Huang , T. Y. Jiao , K. A. Li , X. D. Tang , X. Y. Wang , X. Fang , H. X. Huang , J. Ren , L. H. Ru , X. C. Ruan , N. T. Zhang , Z. C. Zhang

Thermal neutron detector based on films of $^{10}$B$_4$C have been developed as an alternative to $^3$He detectors. In particular, The Multi-Grid detector concept is considered for future large area detectors for ESS and ILL instruments. An…

The unique electrical and material properties of 4H-silicon-carbide (4H-SiC) make it a promising candidate material for high rate particle detectors. In contrast to the ubiquitously used silicon (Si), 4H-SiC offers a higher carrier…

The main signature for anti-neutrino detection in reactor and geo-neutrino experiments based on scintillators is provided by the space-time coincidence of positron and neutron produced in the Inverse Beta Decay reaction. Such a signature…

Instrumentation and Detectors · Physics 2015-07-02 G. Consolati , D. Franco , C. Jollet , A. Meregaglia , A. Minotti , S. Perasso , A. Tonazzo

A new approach to the production and detection of bound neutron clusters is presented. The technique is based on the breakup of beams of very neutron-rich nuclei and the subsequent detection of the recoiling proton in a liquid scintillator.…

Nuclear Experiment · Physics 2009-11-07 F. M. Marques , M. Labiche , N. A. Orr

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

This letter explains a new, highly sensitive method for the detection of neutrons, which uses the T$_{1/2}=845$ ns delay in the decay of $^{128}$I at the 137.8 keV energy level, resulting from the capture of thermal neutrons by iodine…

Instrumentation and Detectors · Physics 2017-03-08 E. Yakushev , S. Rozov , A. Drokhlyansky , D. Filosofov , Z. Kalaninova , V. Timkin , D. Ponomarev

Position-sensitive detectors for cold and ultra-cold neutrons (UCN) are in use in fundamental research. In particular, measuring the properties of the quantum states of bouncing neutrons requires micro-metric spatial resolution. To this…

Instrumentation and Detectors · Physics 2017-11-16 O. Bourrion , B. Clement , D. Tourres , G. Pignol , Y. Xi , D. Rebreyend , V. V. Nesvizhevsky

The utilization of polarized neutrons is of great importance in scientific disciplines spanning materials science, physics, biology, and chemistry. Polarization analysis offers insights into otherwise unattainable sample information such as…

We show data from a new type of detector that can be used to determine neutron flux, energy distribution, and direction of neutron motion for both fast and thermal neutrons. Many neutron detectors are plagued by large backgrounds from…

An efficient neutron detection system with good energy resolution is required to correctly characterize decays of neutron-rich nuclei where $\beta-$delayed neutron emission is a dominant decay mode. The Neutron dEtector with Xn Tracking…

Gas Electron Multiplier (GEM)-based detectors using a layer of 10B as a neutron converter is becoming popular for thermal neutron detection. A common strategy to simulate this kind of detector is based on two frameworks: Geant4 and…

Instrumentation and Detectors · Physics 2022-12-21 R. Felix dos Santos , M. G. Munhoz , M. Moralles , L. A. Serra Filho , M. Bregant , F. A. Souza

A new high-precision detector for studying neutrons from beta-delayed neutron emission and direct reaction studies is proposed. The Neutron dEtector with Xn Tracking (NEXT) array is designed to maintain high intrinsic neutron detection…

This paper summarizes the results from measurements aiming to characterize ultracold neutron detection with 6Li-doped glass scintillators. Single GS10 or GS20 scintillators, with a thickness of 100-200 micrometer, fulfill the ultracold…

Neutron spectroscopy is an invaluable tool for many scientific and industrial applications, including underground Dark Matter searches. Neutron-induced backgrounds produced by cosmic ray muons and the cavern radioactivity can mimic the…

Instrumentation and Detectors · Physics 2022-11-09 I. Giomataris , I. Katsioulas , P. Knights , I. Manthos , T. Neep , K. Nikolopoulos , T. Papaevangelou , R. Ward

The (111) surface of CaF$_2$ has been intensively studied with large-amplitude frequency-modulation atomic force microscopy and atomic contrast formation is now well understood. It has been shown that the apparent contrast patterns obtained…

Materials Science · Physics 2007-05-23 Franz J. Giessibl , Michael Reichling

This paper reports on the device processing and characterization of hexagonal boron nitride (hBN) based solid-state thermal neutron detectors, where hBN thickness varied from 2.5 to 15 microns. These natural hBN epilayers (with 19.9% B-10)…

Instrumentation and Detectors · Physics 2017-09-13 Kawser Ahmed , Rajendra Dahal , Adam Weltz , James J. -Q. Lu , Yaron Danon , Ishwara B. Bhat

The known direction of motion of dark matter particles relative to the Earth may be a key for their unambiguous identification even in the presence of backgrounds. We describe a prototype detector that is able to reconstruct direction…

SOlar Neutron TRACking (SONTRAC) is a detector concept based on a bundle of plastic scintillators by aiming at tracking the solar neutrons through the generation of the secondary particles such as protons from the (n, np) and (n, p)…

Instrumentation and Detectors · Physics 2024-12-04 Ahmet Ilker Topuz

The IceCube neutrino telescope monitors one cubic kilometer of deep Antarctic ice by detecting Cherenkov photons emitted from charged secondaries produced when neutrinos interact in the ice. The geometry of the detector, which comprises a…

High Energy Astrophysical Phenomena · Physics 2018-07-04 Lutz Köpke