255 citations · 972 across the 40 of their papers we have counts for
27 papers · 1 filter
Time Projection Chamber (TPC) Detectors for Nuclear Astrophysics Studies With Gamma Beams
M. Gai, D. Schweitzer, S. R. Stern +33
Gamma-Beams at the HIgS facility in the USA and anticipated at the ELI-NP facility, now constructed in Romania, present unique new opportunities to advance research in nuclear astr…
Time-resolved fast-neutron radiography of air-water two-phase flows in a rectangular channel by an improved detection system
Robert Zboray, Volker Dangendorf, Ilan Mor +2
In a previous work we have demonstrated the feasibility of high-frame-rate, fast-neutron radiography of generic air-water two-phase flows in a 1.5 cm thick, rectangular flow channe…
High-frame rate, fast neutron imaging of two-phase flow in a thin rectangular channel
R. Zboray, I. Mor, V. Dangendorf +4
We have demonstrated the feasibility of performing high-frame-rate, fast neutron radiography of air-water two-phase flows in a thin channel with rectangular cross section. The expe…
Time-resolved neutron imaging at ANTARES cold neutron beamline
A. S. Tremsin, V. Dangendorf, K. Tittelmeier +4
In non-destructive evaluation with X-rays light elements embedded in dense, heavy (or high-Z) matrices show little contrast and their structural details can hardly be revealed. Neu…
Parameters Affecting Temporal Resolution of Time Resolved Integrative Optical Neutron Detector (TRION)
I. Mor, D. Vartsky, V. Dangendorf +7
The Time-Resolved Integrative Optical Neutron (TRION) detector was developed for Fast Neutron Resonance Radiography (FNRR), a fast-neutron transmission imaging method that exploits…
First studies of electron transport along small gas gaps of novel foil radiation converters for fast-neutron detectors
M. Cortesi, R. Zboray, R. Adams +5
Novel high efficiency fast-neutron detectors were suggested for fan-beam tomography applications. They combine multi-layer polymer converters in gas medium, coupled to thick gaseou…
Concept of a novel fast neutron imaging detector based on THGEM for fan-beam tomography applications
M. Cortesi, R. Zboray, R. Adams +2
The conceptual design and operational principle of a novel high-efficiency, fast neutron imaging detector based on THGEM, intended for future fan-beam transmission tomography appli…
Time and position sensitive single photon detector for scintillator read-out
Sven Schössler, Benjamin Bromberger, Michal Brandis +5
We have developed a photon counting detector system for combined neutron and gamma radiography which can determine position, time and intensity of a secondary photon flash created…
Proof of principle of a high-spatial-resolution, resonant-response gamma-ray detector for Gamma Resonance Absorption in 14N
M. Brandis, M. B. Goldberg, D. Vartsky +7
The development of a mm-spatial-resolution, resonant-response detector based on a micrometric glass capillary array filled with liquid scintillator is described. This detector was…
An Optical Readout TPC (O-TPC) for Studies in Nuclear Astrophysics With Gamma-Ray Beams at HIgS
M. Gai, M. W. Ahmed, S. C. Stave +15
We report on the construction, tests, calibrations and commissioning of an Optical Readout Time Projection Chamber (O-TPC) detector operating with a CO2(80%) + N2(20%) gas mixture…
Development of an LED reference light source for calibration of radiographic imaging detectors
M. Weierganz, D. Bar, B. Bromberger +7
A stable reference light source based on an LED (Light Emission Diode) is presented for stabilizing the conversion gain of the opto-electronic system of a gamma- and fast-neutron r…
High Spatial Resolution Fast-Neutron Imaging Detectors for Pulsed Fast-Neutron Transmission Spectroscopy
I. Mor, D. Vartsky, D. Bar +13
Two generations of a novel detector for high-resolution transmission imaging and spectrometry of fast-neutrons are presented. These devices are based on a hydrogenous fiber scintil…
THGEM operation in Ne and Ne/CH4
M. Cortesi, V. Peskov, G. Bartesaghi +8
The operation of Thick Gaseous Electron Multipliers (THGEM) in Ne and Ne/CH4 mixtures, features high multiplication factors at relatively low operation potentials, in both single-…
Signal and Noise Analysis in TRION -Time-Resolved Integrative Optical Fast Neutron Detector
D. Vartsky, G. Feldman, I. Mor +3
TRION is a sub-mm spatial resolution fast neutron imaging detector, which employs an integrative optical time-of-flight technique. The detector was developed for fast neutron reson…
A concise review on THGEM detectors
A. Breskin, R. Alon, M. Cortesi +5
We briefly review the concept and properties of the Thick GEM (THGEM); it is a robust, high-gain gaseous electron multiplier, manufactured economically by standard printed-circuit…
Operation of a Thick Gas Electron Multiplier (THGEM) in Ar, Xe and Ar-Xe
R. Alon, J. Miyamoto, M. Cortesi +8
We present the results of our recent studies of a Thick Gaseous Electron Multiplier (THGEM)-based detector, operated in Ar, Xe and Ar:Xe (95:5) at various gas pressures. Avalanche-…
Investigations of a THGEM-based imaging detector
M. Cortesi, R. Alon, R. Chechik +3
We present the results of our recent studies on a Thick Gas Electron Multiplier (THGEM)-based imaging detector prototype. It consists of two 100x100 mm^2 THGEM electrodes in cascad…
A Compact High-Energy Neutron Spectrometer
F. D. Brooks, A. Buffler, M. S. Allie +6
A compact liquid organic neutron spectrometer (CLONS) based on a single NE213 liquid scintillator (5 cm diam. x 5 cm) is described. The spectrometer is designed to measure neutron…
A position- and time-sensitive photon-counting detector with delay-line read-out
O. Jagutzki, V. Dangendorf, R. Lauck +2
We have developed image intensifier tubes with delay-anode read-out for time- and position-sensitive photon counting. The timing precision is better than 1 ns with 1000x1000 pixels…
Neutron imaging with a Micromegas detector
F. Jeanneau, R. Junca, J. Pancin +10
The micropattern gaseous detector Micromegas has been developed for several years in Saclay and presents good performance for neutron detection. A prototype for neutron imaging has…
Thick GEM-like (THGEM) detectors and their possible applications
R. Chechik, M. Cortesi, A. Breskin +3
Thick GEM-like (THGEM) electrodes are robust, high gain gaseous electron multipliers, economically-manufactured by standard drilling and etching of thin printed circuit board or ot…
Amplification and Scintillation Properties of Oxygen-Rich Gas Mixtures for Optical-TPC Applications
L. Weissman, M. Gai, A. Breskin +4
We studied electron amplification and light emission from avalanches in oxygen-containing gas mixtures. The mixtures investigated in this work included, among others, CO2 and N2O m…
Development and application of an optical TPC for charged particle track structure imaging in microdosimetry
U. Titt, V. Dangendorf, B. Grosswendt +1
An imaging system for measuring the track structure of charged particles in a low-pressure gas is presented. We describe the experimental method and compare experimental results wi…
Imaging of microscopic features of charged-particle tracks in a low-pressure gas
V. Dangendorf, H. Schuhmacher, U. Titt +1
An imaging system for measuring the spatial distribtion of charged particle tracks in a low-pressure gas is presented. The method is based on an optically read out time projection…