G21G4/04

Cyclotron facility for producing radioisotopes

A facility for producing radioisotopes. The facility includes at least one target holder. The target holder is configured to receive a target that includes a compound to be irradiated with an accelerated particle beam. The facility includes a cyclotron for producing the accelerated particle beam. The cyclotron includes at least one accelerating cavity within which the beam is subjected to a radiofrequency electric field in order to be accelerated and to a magnetic field enabling it to travel through the cavity several times, describing orbits about an axis of the cyclotron. The magnetic field is produced by at least one coil. The at least one target holder is inside the at least one coil as observed along the axis of the cyclotron. The at least one coil does not have symmetry of revolution about the axis.

CONVEYANCE SYSTEM FOR OPERATION IN RADIOACTIVE ENVIRONMENT

A system for manufacturing radionuclide generators includes an enclosure defining a radioactive environment. The enclosure includes radiation shielding to prevent radiation within the radioactive environment from moving to an exterior of the enclosure. The system also includes a conveyance system having a forward track and first carriages positioned on and movable along the forward track for conveying racks in a first direction. The conveyance system also includes a first walking beam mechanism magnetically coupled to the first carriages to move the first carriages. The conveyance system further includes a return track and second carriages positioned on and movable along the return track for conveying racks in a second direction opposite the first direction. The forward track and the return track form a loop.

CONVEYANCE SYSTEM FOR OPERATION IN RADIOACTIVE ENVIRONMENT

A system for manufacturing radionuclide generators includes an enclosure defining a radioactive environment. The enclosure includes radiation shielding to prevent radiation within the radioactive environment from moving to an exterior of the enclosure. The system also includes a conveyance system having a forward track and first carriages positioned on and movable along the forward track for conveying racks in a first direction. The conveyance system also includes a first walking beam mechanism magnetically coupled to the first carriages to move the first carriages. The conveyance system further includes a return track and second carriages positioned on and movable along the return track for conveying racks in a second direction opposite the first direction. The forward track and the return track form a loop.

PREPARATION OF METAL FLUORIDES AND SEPARATION PROCESSES

Provided is a process which allows uranium and molybdenum fluorides to be efficiently separated, said process comprising a step of providing a mixture containing MoF.sub.6 and UF.sub.6; a step of reducing the UF.sub.6 to UF.sub.5 in the gas phase or in a liquid phase; and a step of separating the UF.sub.5 and the MoF.sub.6 or a conversion product thereof which may be obtained by further converting the molybdenum fluoride to another molybdenum compound. In a further aspect, a process for the fluorination of metals or semimetals is provided.

PREPARATION OF METAL FLUORIDES AND SEPARATION PROCESSES

Provided is a process which allows uranium and molybdenum fluorides to be efficiently separated, said process comprising a step of providing a mixture containing MoF.sub.6 and UF.sub.6; a step of reducing the UF.sub.6 to UF.sub.5 in the gas phase or in a liquid phase; and a step of separating the UF.sub.5 and the MoF.sub.6 or a conversion product thereof which may be obtained by further converting the molybdenum fluoride to another molybdenum compound. In a further aspect, a process for the fluorination of metals or semimetals is provided.

Apparatus for extracting multiple laser compton scattering photon beams

Disclosed is an apparatus for extracting multiple laser Compton scattering (“LCS”) photon beams using a laser Compton scattering reaction, the apparatus including: a linear accelerator for accelerating an electron beam; and an LCS gamma ray generation module including an LCS gamma ray generator for irradiating a target with an LCS gamma ray generated by emitting laser light to an electron beam released from the linear accelerator and a bending magnet for adjusting a direction of the electron beam passed through the LCS gamma ray generator, wherein at least two LCS gamma ray generation modules are sequentially arranged to form a closed loop together with the linear accelerator.

Surrogate isotope-containing materials for emergency response training and Methods of formation and dispersal

Surrogate materials are in the form of solid particles that include surrogate isotopes, namely, short-lived isotopes selected and formed to serve as surrogates for the radioactive materials of a nuclear fallout without including isotopes that are, or that decay to, biologically or environmentally deleterious and persistent isotopes. The surrogate material may be formed using high-purity reactant material and irradiation and separation techniques that enable tailoring of the isotopes and ratios thereof included in the surrogate material, and the surrogate material may be dispersed, e.g., in a training environment, in solid form.

LOW DENSITY IRIDIUM AND LOW DENSITY STACKS OF IRIDIUM DISKS
20220076856 · 2022-03-10 · ·

The disclosure pertains to improvements in a gamma radiation source, typically containing low-density alloys or compounds or composites of iridium in mechanically deformable and compressible configurations, within an encapsulation, and methods of manufacture thereof.

LOW TEMPERATURE LOW-ABUNDANCE ATOMIC OBJECT DISPENSER
20220062938 · 2022-03-03 ·

Methods and dispensers for dispensing atomic objects are provided. An example method for dispensing atomic objects includes sealing a reaction component at least partially coated with a composition comprising the atomic objects inside an oven; and, with the oven disposed within a pressure-controlled chamber, heating the composition to an atomizing reaction temperature to cause an atomizing chemical reaction to occur. The reaction component comprises a material that is a participant in the reaction. A result of the reaction is elemental atomic objects deposited on a depositing surface within the oven. The atomizing reaction temperature is greater than a dispensing threshold temperature. The method further comprises allowing the oven to cool below the dispensing threshold temperature; and heating the oven to a dispensing temperature to cause the elemental atomic objects to be dispensed from the oven through a dispensing aperture. The dispensing temperature does not exceed the dispensing threshold temperature.

Systems and methods for assaying an object

A method for assaying a wall of a pressure tube for a nuclear reactor is disclosed. The wall has a matrix material and deuterium nuclei in the matrix material. The method includes: (a) transmitting gamma rays into the matrix material to induce photodisintegration of at least some of the deuterium nuclei, whereby reaction particles of the nuclei are emitted from the wall; (b) detecting at least some of the reaction particles emitted in step (a) using a particle detector; and (c) generating particle signals in response to detecting the particles in step (b).