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The progress in the development of the SPHERE-3 project is reported. The capabilities of the reflected Cherenkov light telescope and the direct light detector are stated. The procedures for separate EAS primary parameter assessment are…

Precise in-situ measurements of the neutron flux in underground laboratories is crucial for direct dark matter searches, as neutron induced backgrounds can mimic the typical dark matter signal. The development of a novel neutron…

Instrumentation and Detectors · Physics 2022-12-21 I. Giomataris , S. Green , I. Katsioulas , P. Knights , I. Manthos , J. Matthews , T. Neep , K. Nikolopoulos , T. Papaevangelou , B. Phoenix , J. Sanders , R. Ward

Organic scintillators are widely used for fast neutron detection and spectroscopy. Several effects complicate the interpretation of results from detectors based upon these materials. First, fast neutrons will often leave a detector before…

Instrumentation and Detectors · Physics 2009-10-29 N. S. Bowden , P. Marleau , J. T. Steele , S. Mrowka , G. Aigeldinger , W. Mengesha

Configurational information entropy (CIE) theory was employed to determine the neutron skin thickness of neutron-rich calcium isotopes. The nuclear density distributions and fragment cross-sections in 350 MeV/u $^{40-60}$Ca + $^{9}$Be…

Nuclear Theory · Physics 2022-01-19 Chunwang Ma , Yipu Liu , Huiling Wei , Jie Pu , Kaixuan Cheng , Yuting Wang

Based on a Monte Carlo simulation study of vertical extensive air showers (EAS) at the KASCADE location we introduce a new simple observable $\eta_{\rho{(45;310)}}$ (in short $\eta_{\rho}$) - the ratio between two lateral electron densities…

High Energy Astrophysical Phenomena · Physics 2024-12-10 Animesh Basak , Rajat K. Dey

Neutron Resonance Transmission Analysis (NRTA) is a spectroscopic technique which uses the resonant absorption of neutrons in the epithermal range to infer the isotopic composition of an object. This spectroscopic technique has relevance in…

Instrumentation and Detectors · Physics 2021-05-19 Ethan A. Klein , Farheen Naqvi , Jacob E. Bickus , Hin Y. Lee , Robert J. Goldston , Areg Danagoulian

The next generation of very-short-baseline reactor experiments will require compact detectors operating at surface level and close to a nuclear reactor. This paper presents a new detector concept based on a composite solid scintillator…

The internal structure of neutron stars and the physical properties of nuclei depend on the equation of state (EOS) of neutron matter. Dilute neutron matter is a quantum system of spin-1/2 Fermi particles interacting via s-wave scattering.…

Quantum Gases · Physics 2019-02-07 Munekazu Horikoshi , Makoto Kuwata-Gonokami

We present the first prototype of a novel thermal neutron detector using the time projection method. The system consists of 8 TimePix ASICS with postprocessed InGrid meshes. Each ASIC has 256 x 256 pixels of 55 mum x 55mum in size with the…

Instrumentation and Detectors · Physics 2018-12-26 M. Köhli , K. Desch , M. Gruber , J. Kaminski , F. P. Schmidt , T. Wagner

Multi-detector observations of individual air showers are critical to make significant progress to precisely determine cosmic-ray quantities such as mass and energy of individual events and thus bring us a step forward in answering the open…

Instrumentation and Methods for Astrophysics · Physics 2021-07-22 Alan Coleman

The results of measuring the neutron flux in the process of the X-pinch are presented. The measurements were carried out using CR-39 track detectors. It was found that in the process of X-pinch recorded neutron emission over a wide energy…

Nuclear Experiment · Physics 2015-09-21 O. D. Dalkarov , A. S. Rusetskii , S. A. Pikuz , T. A. Shelkovenko , I. N. Tilikin

Experimental complex (EC) NEVOD includes a number of unique experimental facilities for studies of main components of cosmic rays on the Earth's surface. The complex is used for the basic research of CR flux characteristics and their…

A novel composite, scintillating material intended for neutron detection and composed of small (1.5 mm) cubes of KG2-type lithium glass embedded in a matrix of scintillating plastic has been developed in the form of a 2.2 in.-diameter, 3.1…

Instrumentation and Detectors · Physics 2015-05-27 G. C. Rich , K. Kazkaz , H. P. Martinez , T. Gushue

It is shown that using the observed extensive air shower (EAS) electron and truncated muon size spectra at sea level one can solve the EAS inverse problem - reconstruction of primary energy spectra and elemental composition, for not more…

Astrophysics · Physics 2007-05-23 Samvel V. Ter-Antonyan

In the work presented here we built and evaluated a single-channel neutron detection unit consisting of a ZnS:$^6$LiF scintillator with embedded WLS fibers readout by a SiPM. The unit has a sensitive volume of 2.4 x 2.8 x 50 mm$^3$; 12 WLS…

Instrumentation and Detectors · Physics 2015-12-09 A. Stoykov , J. -B. Mosset , U. Greuter , M. Hildebrandt , N. Schlumpf

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

We have been developing a neutron detector with spatial resolution of submicron by loading 6Li into fine-grained nuclear emulsion. By exposure to thermal neutrons, tracks from neutron capture events were observed. From their grain density,…

Instrumentation and Detectors · Physics 2016-12-15 N. Naganawa , S. Awano , M. Hino , M. Hirose , K. Hirota , H. Kawahara , M. Kitaguchi , K. Mishima , T. Nagae , H. M. Shimizu , S. Tasaki , A. Umemoto

A fast neutron spectrometer consisting of segmented plastic scintillator and He-3 proportional counters was constructed for the measurement of neutrons in the energy range 1 MeV to 200 MeV. We discuss its design, principles of operation,…

Instrumentation and Detectors · Physics 2014-11-24 T. J. Langford , C. D. Bass , E. J. Beise , H. Breuer , D. K. Erwin , C. R. Heimbach , J. S. Nico

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

Scintillators capable of detecting both neutrons and gamma-rays have generated considerable interest. In particular, the use of such scintillators with silicon photomultipliers (SiPMs) enables low-power and compact-geometry applications.…

Instrumentation and Detectors · Physics 2018-08-29 Felix Liang , Hartmut Brands , Les Hoy , Jeff Preston , Jason Smith