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Development of self-powered neutron detectors used in nuclear medicine for the measurement of neutron flows during treatment of boron neutron therapy

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Radiation Detection Technology and Methods 2021年第3期5卷 459-465页

作者： Mohamed Fares Adnane Messai Salem Mameri Mohammed Messaoudi Mohamed Yacine Debili hebboul nourddine Kassida Negara Begaa Samir Laboratory of Nuclear Detectors Department Detection and MeasurementNuclear Research Centre of BirineAin OusseraP.O.Box 18017200 DjelfaAlgeria Reactor Chemistry Department Nuclear Research Centre of BirineAin OusseraP.O.Box 18017200 DjelfaAlgeria LM2S Physics DepartmentFaculty of ScienceUniversity of Badji Mokhtar-AnnabaP.O.Box.BP 1223000 AnnabaAlgeria

Purpose The Self Powered Neutrons Detectors(SPND)have the advantage of not requiring a high voltage power supply for their operation and are small in size,enhancing the interest of these detectors in *** In this context,we have developed a thermal neutron detection system based on *** detector was placed in the thermal channel of our nuclear research reactor;where the values of the current for each detector have been recorded as a function of time,with a chain in a current mode where electrometers without HV were *** We performed the real-time measurement of neutron flux during boron neutron capture therapy or boron neutron therapy,the different materials constituting the SPND detectors have been carefully chosen for this *** detectors were tested at a power of four MW corresponding to a neutron flux of 10^(9) n cm^(−2) s^(−1).Conclusions The usefulness of 103Rh-SPND is for online measurement of thermal neutron flux on BNCT patients has been demonstrated based on an appropriate calibration of the thermal neutron spectrum.

关键词： SPND Thermal neutron Capture therapy Flux Detection Boron

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