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7596197 |
Gamma source for active interrogation
A cylindrical gamma generator includes a coaxial RF-driven plasma ion source and target. A hydrogen plasma is produced by RF excitation in a cylindrical plasma ion generator using an RF antenna. A...
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7583775 |
Concentrated irradiation type radiotherapy apparatus
A concentrated irradiation type radiotherapy apparatus comprises a radiation source, a multi-channeled radiation detector, a rotating mechanism, an image reconstruction unit, a multi-leaf...
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7483509 |
Detecting special nuclear materials in suspect containers using high-energy gamma rays emitted by fission products
A method and a system for detecting the presence of special nuclear materials in a suspect container. The system and its method include irradiating the suspect container with a beam of neutrons, so...
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7366644 |
Method of judging practical conditions for use of an ordered alloy under irradiation environments
An irradiated state diagram that expresses a relation of a degree of long range order S to a variable R of an irradiated state related to a damage rate and an irradiation temperature is prepared...
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7349517 |
System for measuring burn-out of fuel elements of a high-temperature reactor
The burnout of a fuel element in a reactor is determined by first transferring a fuel element from a reactor to a measuring position and then subjecting the transferred fuel element at the position...
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7286635 |
Elemental analyzer apparatus and method
An elemental analyzer for identifying quantities of one or more elements in a material has a container for holding a material to be analyzed, a resonant gamma ray source unit for directing resonant...
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7277521 |
Detecting special nuclear materials in containers using high-energy gamma rays emitted by fission products
A method and a system for detecting the presence of special nuclear materials in a container. The system and its method include irradiating the container with an energetic beam, so as to induce a...
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7269527 |
System integration module for CBRNE sensors
A sensor interface system and a sensor integration module support individual sensors and sensor arrays, with network connectivity and critical functions required for analog and digital sensors when...
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7200198 |
Recirculating target and method for producing radionuclide
An apparatus for producing a radionuclide includes a target chamber, a particle beam source operatively aligned with the target chamber, and a regenerative turbine pump for circulating a target...
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7151815 |
Nonintrusive method for the detection of concealed special nuclear material
A method and associated apparatus for detecting concealed fissile, fissionable or special nuclear material in an article, such as a shipping container, is provided. The article is irradiated with a...
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7058153 |
Method for photon activation positron annihilation analysis
A non-destructive testing method comprises providing a specimen having at least one positron emitter therein; determining a threshold energy for activating the positron emitter; and determining...
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6917044 |
High power high yield target for production of all radioisotopes for positron emission tomography
A high power high yield target for the positron emission tomography applications is introduced. For production of Curie level of Fluorine-18 isotope from a beam of proton it uses about one tenth of...
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6845137 |
System and method for the production of 18F-Fluoride
A system and method for producing 18 F-Fluoride by using a proton beam to irradiate 18 Oxygen in gaseous form. The irradiated 18 Oxygen is contained in a chamber that includes at least one...
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6813330 |
High density storage of excited positronium using photonic bandgap traps
A device is provided that can capture and store electrically neutral excited species of antimatter or exotic matter (a mixture of antimatter and ordinary matter), in particular, excited positronium...
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6724852 |
Fissile interrogation using gamma rays from oxygen
The subject apparatus provides a means to identify the presence of fissionable material or other nuclear material contained within an item to be tested. The system employs a portable accelerator to...
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6680993 |
Method of producing Actinium-225 and daughters
A method of producing an isotope comprising directing electrons at a converting material coated with a coating material, the coating material having an atomic number of n, whereby interaction of...
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6668033 |
Method for analyzing a primary neutron beam of a neutron source, a neutron source having a beam monitor, and a beam monitor
Method for analyzing a primary neutron beam of a neutron source, a neutron source having a beam monitor, and a beam monitor. Fission chambers which are arranged in the primary neutron beam are...
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6586747 |
Particle accelerator assembly with liquid-target holder
A particle accelerator assembly with a liquid-target holding assembly usable to produce radioisotopes in liquid targets. A particle accelerator is configured to produce a particle beam along a beam...
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6576916 |
Container for transporting antiprotons and reaction trap
The invention provides a container for transporting antiprotons including a dewar having an evacuated cavity and a cryogenically cold wall. A plurality of thermally conductive supports are disposed...
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6472677 |
Devices and methods for transmuting materials
A transuranic transmuter includes a sealable steel housing having a window to allow a beam of protons to enter the housing and strike a spallation target, thereby generating fast neutrons....
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6252921 |
Nuclear isomers as neutron and energy sources
The present invention includes the use of N-isomers as a source of energy and of neutrons, and the use of K-isomers as a source of energy when associated with a source of neutrons. Although there...
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6208704 |
Production of radioisotopes with a high specific activity by isotopic conversion
An apparatus, and method, are disclosed for producing a high specific activity of a radioisotope in a single increment of target material, or sequentially within in-series increments of target...
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6163587 |
Process for the production of antihydrogen
The present invention provides a process for the production of antihydrogen, comprising the steps of: (i) exciting alkali atoms to a Rydberg state; (ii) charge-exchanging the excited alkali atoms...
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6160263 |
Container for transporting antiprotons
The invention provides a container for transporting antiprotons including a dewar having an evacuated cavity and a cryogenically cold wall. A plurality of thermally conductive supports are disposed...
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5903622 |
Accelerator-based neutron source for boron neutron capture therapy (BNCT) and method
A source for boron neutron capture therapy (BNCT) comprises a body of photoneutron emitter that includes heavy water and is closely surrounded in heat-imparting relationship by target material; one...
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5784423 |
Method of producing molybdenum-99
An apparatus, and method, are disclosed for producing a high specific activity of a radioisotope in a single increment of target material, or sequentially within in-series increments of target...
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5586153 |
Process for producing radionuclides using porous carbon
A process for producing radionuclides using a porous carbon target. The process includes the steps of inserting a porous carbon target with tailored solid and void dimensions in the path of a...
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5452222 |
Fast-risetime magnetically coupled current injector and methods for using same
An electromagnetic test system induces large current pulses in a component of a system under test. The pulse waveform may be selectively varied, and possible waveforms include square wave pulse,...
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5280505 |
Method and apparatus for generating isotopes
This invention relates to a method and apparatus for the generation of isotopes, and in particular radioisotopes, from a target material which is not normally a solid and which, when bombarded by...
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5278418 |
Luggage explosive detector
A method for detecting the presence of a predetermined amount of oxygen and nitrogen in a luggage type container as a screening technique for determining the presence of an explosive in the...
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5276717 |
Method of and apparatus for generating neutrinos and/or antineutrinos, a neutrino modulation method, and a neutrino beam generator
Neutrinos and antineutrinos are generated by electromagnetic excitation of elementary subatomic particle magnetic moments in a DC magnetic field and causing the orientation energy of magnetic...
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5259917 |
Transparent semiconductor crystals
A method for producing a semiconductor crystal which is highly transparent in the 1-3 μ spectral range is described which comprises the steps of exposing the crystal to high energy ionizing gamma...
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5076971 |
Method for enhancing alpha decay in radioactive materials
Apparatus and method for decontaminating radioactive materials by stimulating the atomic system of radioactive materials. The stimulus is kept applied to the radioactive materials for a...
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4961880 |
Electrostatic voltage excitation process and apparatus
Accelerated decay of radioactive materials is used for power production. In the method of this invention an alpha-emitting radioactive material is placed in a region. The region is selected so that...
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4910522 |
Electromagnetic test method
An electromagnetic test method simulates the effects of plane electromagnetic wave illumination on a conducting body. A conductive sheet is placed in the vicinity of the body and connected to an...
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4910156 |
Neutron transmutation doping of a silicon wafer
A silicon wafer and a method of producing a silicon wafer comprising a phosphor-doping method of doping phosphor into a single silicon crystals by transmuting isotope Si 30 contained in said...
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4867939 |
Process for preparing antihydrogen
A process for producing antihydrogen includes providing low energy antiprotons and positronium atoms within an interaction volume. Thermalized positrons are derived by moderating high energy...
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4765943 |
Thermal neutron detectors and system using the same
A solid state thermal neutron detector. The improved detector for particularly high temperature applications of thermal neutron flux determination, employs a differential thermocouple unit having...
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4678618 |
Individual source positioning mechanism for a nuclear reactor fuel assembly
A secondary source positioning mechanism for a fuel assembly in a nuclear reactor locates an individual one of the secondary sources in a respective guide thimble of the fuel assembly aligned with...
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4657722 |
Ion cluster acceleration
Method and apparatus are disclosed for producing and sustaining a very intense pinch effect in a ralativistic electron beam by applying a continually accelerating strong electric field along the...
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4504438 |
Method and apparatus for determining the density characteristics of underground earth formations
A plurality of detectors (12) are disposed within a bore hole (14) for ascertaining the frequency and trajectory of high energy muons which penetrate through the earth. This information is...
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4483816 |
Apparatus and method for quantitative assay of generic transuranic wastes from nuclear reactors
A combination of passive and active neutron measurements which yields quantitative information about the isotopic composition of transuranic wastes from nuclear power or weapons material...
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4428902 |
Coal analysis system
A system and method of rapidly obtaining quantitative information as to the elemental constituents of coal, particularly the oxygen and sulfer content thereof. The system makes use of the...
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4393509 |
Source-region electromagnetic pulse simulator
A method and apparatus for simulating, in conjunction with a source of ionizing radiation, intense pulsed electromagnetic fields and time varying conductivity caused by the gamma radiation...
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4341731 |
Apparatus for efficient generation of low-energy positrons
A method for efficiently generating thermal positions from a source of energetic positrons, consisting of a method for increasing the emission efficiency of the positron source, and a method for...
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4335465 |
Method of producing an accellerating electrons and ions under application of voltage and arrangements connected therewith
An electron and ion accelerator includes plural spaced electrodes which are apertured to define a gas discharge path and supported at their peripheries by insulative means. A gas supply provides...
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4333911 |
Method of preparing a solution of gallium 68 from germanium 68
A method of preparing a solution of gallium 68 from germanium 68, wherein the germanium 68 is fixed on particles of tin dioxide and the gallium 68 produced by radioactive decay of the germanium 68...
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4325785 |
Method and apparatus for measuring the reactivity of a spent fuel assembly
An accurate determination of whether the reactivity of individual spent fuel assemblies exceeds a threshold value is made while each assembly is being transferred from the reactor core to the fuel...
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4251726 |
Deuterium tagged articles such as explosives and method for detection thereof
Deuterium tagging in an amount at least ten (10) times the natural abundance of the deuterium isotope occurrence is disclosed. A composition of matter, including the group consisting of hydrogen...
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4208247 |
Neutron source
An improved neutron monitoring and startup source for a thermal nuclear reactor including a fast neutron emitting material encapsulated within a cladding substantially black to thermal neutrons. In...
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