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An analytical method is presented with allows to estimate the energy resolution of time-of-flight neutron spectrometers, as well as its partial contributions, over a dynamical range that extends from the elastic line to the accessible…

Instrumentation and Detectors · Physics 2009-12-05 Ana M Gaspar

Recent work on Neural Radiance Fields (NeRF) showed how neural networks can be used to encode complex 3D environments that can be rendered photorealistically from novel viewpoints. Rendering these images is very computationally demanding…

Computer Vision and Pattern Recognition · Computer Science 2021-04-16 Stephan J. Garbin , Marek Kowalski , Matthew Johnson , Jamie Shotton , Julien Valentin

The Time-Resolved Integrative Optical Neutron (TRION) detector was developed for Fast Neutron Resonance Radiography (FNRR), a fast-neutron transmission imaging method that exploits characteristic energy-variations of the total scattering…

Instrumentation and Detectors · Physics 2015-06-17 I. Mor , D. Vartsky , V. Dangendorf , D. Bar , G. Feldman , M. B. Goldberg , K. Tittelmeier , B. Bromberger , M. Brandis , M. Weierganz

This letter proposes a new method based on ultrafast high energy electron radiography to diagnose transient electromagnetic field. For the traditional methods, large scattering from matter will increase the uncertainty of measurement, but…

Accelerator Physics · Physics 2022-02-09 J. H. Xiao , Y. C. Du , H. Q. Li , Y. T. Zhao , L. Sheng

Gamma-ray emission from special nuclear material (SNM) is relatively easy to shield from detection using modest amounts of high-Z material. In contrast, fast-neutrons are much more penetrating and can escape relatively thick high-Z…

Instrumentation and Detectors · Physics 2022-12-14 Viacheslav A. Li , Felicia Sutanto , Timothy M. Classen , Steven A. Dazeley , Igor Jovanovic , Tingshiuan C. Wu

Radionuclide Identification Devices (RIDs) or Backpack Radiation Detection Systems (BRDs) are often equipped with NaI(Tl) detectors. We demonstrate that such instruments could be provided with reasonable thermal- and fast-neutron…

Instrumentation and Detectors · Physics 2022-08-16 Guntram Pausch , Achim Kreuels , Falko Scherwinski , Yong Kong , Mathias Kuester , Ralf Lentering , Andreas Wolf , Juergen Stein

Fast procedures for the beam quality assessment and for the monitoring of beam energy modulations during the irradiation are among the most urgent improvements in particle therapy. Indeed, the online measurement of the particle beam energy…

We have developed a prototype time-resolved neutron imaging detector employing the micro-pixel chamber (muPIC), a micro-pattern gaseous detector, coupled with a field programmable gate array-based data acquisition system for applications in…

In this work, we report on the advantageous aspects of the i-TED Compton imager for proton-range monitoring, based on the results of the first Monte Carlo study of its applicability to this field. i-TED is an array of Compton cameras, that…

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

We propose an alternative approach for the detection of fast neutrons in the energy range from 10-4 to 5 MeV based on 10B-RPCs (hybrid double-gap Resistive Plate Chambers with 10B4C neutron converters) surrounded by a polyethylene…

Instrumentation and Detectors · Physics 2022-02-23 A. Morozov , L. M. S. Margato , A. Blanco , D. Galaviz

Contemporary ultraintense, short-pulse laser systems provide extremely compact setups for the production of high-flux neutron beams, such as those required for nondestructive probing of dense matter, research on neutron-induced damage in…

We report on an investigation of the fast-neutron spectrum emitted by 241Am/9Be. Well-understood shielding, coincidence, and time-of-flight measurement techniques are employed to produce a continuous, polychromatic, energy-tagged neutron…

Particle beams focused to micrometer-sized spots play a crucial role in forefront research using low-energy positrons. Their expedient and wide application, however, requires highly-resolved, fast beam diagnostics. We have developed two…

Challenging neutron-capture cross-section measurements of small cross sections and samples with a very limited number of atoms require high-flux time-of-flight facilities. In turn, such facilities need innovative detection setups that are…

Instrumentation and Detectors · Physics 2024-12-02 J. Balibrea-Correa , V. Babiano-Suarez , J. Lerendegui-Marco , C. Domingo-Pardo , I. Ladarescu , A. Tarifeño-Saldivia , G. de la Fuente-Rosales , B. Gameiro , N. Zaitseva , V. Alcayne , D. Cano-Ott , E. González-Romero , T. Martínez , E. Mendoza , A. Pérez de Rada , J. Plaza del Olmo , A. Sánchez-Caballero , A. Casanovas , F. Calviño , S. Valenta , O. Aberle , S. Altieri , S. Amaducci , J. Andrzejewski , M. Bacak , C. Beltrami , S. Bennett , A. P. Bernardes , E. Berthoumieux , R. Beyer , M. Boromiza , D. Bosnar , M. Caamaño , M. Calviani , D. M. Castelluccio , F. Cerutti , G. Cescutti , S. Chasapoglou , E. Chiaveri , P. Colombetti , N. Colonna , P. Console Camprini , G. Cortés , M. A. Cortés-Giraldo , L. Cosentino , S. Cristallo , S. Dellmann , M. Di Castro , S. Di Maria , M. Diakaki , M. Dietz , R. Dressler , E. Dupont , I. Durán , Z. Eleme , S. Fargier , B. Fernández , B. Fernández-Domínguez , P. Finocchiaro , S. Fiore , V. Furman , F. García-Infantes , A. Gawlik-Ramikega , G. Gervino , S. Gilardoni , C. Guerrero , F. Gunsing , C. Gustavino , J. Heyse , W. Hillman , D. G. Jenkins , E. Jericha , A. Junghans , Y. Kadi , K. Kaperoni , G. Kaur , A. Kimura , I. Knapová , M. Kokkoris , Y. Kopatch , M. Krtìvcka , N. Kyritsis , C. Lederer-Woods , G. Lerner , A. Manna , A. Masi , C. Massimi , P. Mastinu , M. Mastromarco , E. A. Maugeri , A. Mazzone , A. Mengoni , V. Michalopoulou , P. M. Milazzo , R. Mucciola , F. Murtas , E. Musacchio-Gonzalez , A. Musumarra , A. Negret , P. Pérez-Maroto , N. Patronis , J. A. Pavón-Rodríguez , M. G. Pellegriti , J. Perkowski , C. Petrone , E. Pirovano , S. Pomp , I. Porras , J. Praena , J. M. Quesada , R. Reifarth , D. Rochman , Y. Romanets , C. Rubbia , M. Sabaté-Gilarte , P. Schillebeeckx , D. Schumann , A. Sekhar , A. G. Smith , N. V. Sosnin , M. E. Stamati , A. Sturniolo , G. Tagliente , D. Tarrío , P. Torres-Sánchez , E. Vagena , V. Variale , P. Vaz , G. Vecchio , D. Vescovi , V. Vlachoudis , R. Vlastou , A. Wallner , P. J. Woods , T. Wright , R. Zarrella , P. Zugec

A method is presented for the identification of high-energy neutrinos from gamma ray bursts by means of a large-scale neutrino telescope. The procedure makes use of a time profile stacking technique of observed neutrino induced signals in…

Astrophysics · Physics 2008-11-26 Nick van Eijndhoven

Laser wakefield acceleration of electrons represents a basis for several types of novel X-ray sources based on Thomson scattering or betatron radiation. The latter provides a high photon flux and a small source size, both being…

Medical Physics · Physics 2018-12-26 J. Götzfried , A. Döpp , M. Gilljohann , H. Ding , S. Schindler , J. Wenz , L. Hehn , F. Pfeiffer , S. Karsch

Time-resolved femtosecond stimulated Raman spectroscopy (FSRS) is a powerful tool for investigating ultrafast structural and vibrational dynamics in light absorbing systems. However, the technique generally requires exposing a sample to…

Instrumentation and Detectors · Physics 2018-07-10 Matthew N. Ashner , William A. Tisdale

The detection of special nuclear materials (SNM) in commercial cargoes is a major objective in the field of nuclear security. In this work we investigate the use of two-neutron time-correlations from photo-fission using the Prompt Neutrons…

Instrumentation and Detectors · Physics 2019-02-04 R. A. Soltz , A. Danagoulian , E. P. Hartouni , M. S. Johnson , S. A. Sheets , A. Glenn , S. E. Korbly , R. J. Ledoux

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.…