Uniwersytet Jagiellonski

Michal Silarski

Pawel Moskal

Eryk Czerwinski

The present invention is a device and method for the non-invasive detection of hazardous materials in an aquatic environment, wherein the device comprises a sealed housing, in which there is a fast neutron generator () surrounded by &#x3b1; particle detectors (), and gamma quantum detector (), wherein the fast neutron generator () emits neutrons in the direction of the tested object () through the neutron and/or gamma quanta guide (), and the gamma quanta detector records gamma quanta emitted by the nuclei of the tested object () transmitted through neutron and/or gamma quanta guide ().

Device and method for non-invasive detection of hazardous materials in the aquatic environment

A method for calibration of TOF-PET detectors comprising polymeric scintillator strips and photoelectric converters, wherein cosmic radiation is used as a source of radiation, the method comprising the steps of: recording times of reactions of particles of cosmic radiation with the scintillator strips (); determining spectra () of distribution of differences in the times at which pulses are recorded at ends of the scintillator strips () connected to photoelectric converters (); using the determined spectra () to determine timing synchronization constants of the photoelectric converters (), the constants being related to: delays within the electronics; speed of light propagation within the scintillator strip of the detection module; and resolution of the difference in times of the signals recorded at the ends of the module.

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Cracow, Poland

Michal Silarski