Y. Eisen
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View article: First nuclear astrophysics experiments with high-intensity neutrons from the liquid-lithium target LiLiT
First nuclear astrophysics experiments with high-intensity neutrons from the liquid-lithium target LiLiT Open
A high-intensity neutron source based on a Liquid-Lithium Target (LiLiT) and the 7 Li(p,n) reaction was developed at SARAF (Soreq Applied Research Accelerator Facility, Israel).The setup is used for nuclear-astrophysics experiments owing t…
View article: Energy-broadened proton beam for production of quasi-stellar neutrons from the<sup>7</sup>Li(<i>p</i>,<i>n</i>)<sup>7</sup>Be reaction
Energy-broadened proton beam for production of quasi-stellar neutrons from the<sup>7</sup>Li(<i>p</i>,<i>n</i>)<sup>7</sup>Be reaction Open
Production of quasi-stellar neutrons by the 7Li(p,n)7Be reaction has been used for measuring s-process cross sections and efforts to upgrade the proton beam intensity with RF linear accelerators are presently ongoing. We investigated the e…
View article: A Comparative Glance into the HAVAR Alloy by PAS and TEM Methods
A Comparative Glance into the HAVAR Alloy by PAS and TEM Methods Open
HAVAR foils are used in the medical industry as a window material for the production of 18FDG for PET scans. First comparative measurements of HAVAR foils, 25 μm thick, are presented. Three samples were measured: cold rolled (CR), annealed…
View article: A liquid-lithium target project for production of high-intensity quasi-stellar neutrons
A liquid-lithium target project for production of high-intensity quasi-stellar neutrons Open
A windowless Liquid-Lithium Target (LiLiT) is under construction and development at Soreq NRC (Israel).The target is designed to be bombarded by a 2-4 mA proton beam (E p = 1.8-2.5 MeV) from the high-intensity Soreq Applied Research Accele…
View article: Erratum: ‘‘Evidence for field enhanced electron capture by EL2 centers in semi-insulating GaAs and the effect on GaAs radiation detectors’’ [J. Appl. Phys. <b>75</b>, 7910 (1994)]
Erratum: ‘‘Evidence for field enhanced electron capture by EL2 centers in semi-insulating GaAs and the effect on GaAs radiation detectors’’ [J. Appl. Phys. <b>75</b>, 7910 (1994)] Open
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View article: Evidence for field enhanced electron capture by EL2 centers in semi-insulating GaAs and the effect on GaAs radiation detectors
Evidence for field enhanced electron capture by EL2 centers in semi-insulating GaAs and the effect on GaAs radiation detectors Open
The performance of Schottky contact semiconductor radiation detectors fabricated from semi-insulating GaAs is highly sensitive to charged impurities and defects in the material. The observed behavior of semi-insulating GaAs Schottky barrie…
View article: Evaluation of the NDP (neutron diagnostic probe) system
Evaluation of the NDP (neutron diagnostic probe) system Open
The neutron diagnostic probe (NDP), an explosive detection system developed by Consolidated Controls Corporation and based on the associated-alpha-particle technique, was evaluated. Although many problems were found with the prototype syst…
View article: A Portable X Ray Spectrometer/Dosemeter Based on a Silicon Diode
A Portable X Ray Spectrometer/Dosemeter Based on a Silicon Diode Open
We developed a portable x-ray spectrometer/dosemeter based on a silicon p-i-n diode. The instrument is capable of obtaining spectral information in the region from 18 keV to 150 keV and measuring photon exposures in the region from 18 keV …
View article: Performance of low pressure tissue equivalent chambers and a new method for parameterizing the dose equivalent
Performance of low pressure tissue equivalent chambers and a new method for parameterizing the dose equivalent Open
The performance of spherical tissue equivalent chambers with equivalent diameters between 0.5 and 2..mu.. was tested experimentally using monoenergetic and polyenergetic neutron sources in the energy region of 10 keV to 14.5 MeV. Theoretic…
View article: Evaluation of spurious readings in Los Alamos personnel TL dosimeters
Evaluation of spurious readings in Los Alamos personnel TL dosimeters Open
This study investigates the possibility of tritium build-up in TLD-600 chips irradiated with neutrons and the causes of spurious readings in the Harshaw TLD cards used for personnel dosimetry. Experiments indicated that spurious readings i…
View article: C/sub 3/ /sub 4/ /sub 5//sup -/ and NCO/sup +/ /sup -/ molecular ion structure determination by Coulomb explosion
C/sub 3/ /sub 4/ /sub 5//sup -/ and NCO/sup +/ /sup -/ molecular ion structure determination by Coulomb explosion Open
The purpose of these experiments is to acquire structural information about molecules through their Coulomb explosion in thin carbon foils. The data presented here relate to the structure of C/sub 3//sup -/, C/sub 4//sup -/, C/sub 5//sup -…
View article: C/sub 3/ /sub 4//sup -/ molecular ion structure determination by Coulomb explosion
C/sub 3/ /sub 4//sup -/ molecular ion structure determination by Coulomb explosion Open
The purpose of this experiment is to acquire structural information about multiple atom carbon molecules through their Coulomb explosion in thin carbon foils. The data presented here relate to the structure of C/sub 3//sup -/ and C/sub 4//…