Beam state of nc4/5/2024 ![]() ![]() These would be used to study modifications that may be desired at the end of the current core life and to undertake the development of new research instruments. In the longer term, the authors foresee studies of new core designs and the development of beam experiment design tools. In the near term, general facility upgrades include the installation of signal isolation and computer data acquisition and display functions to improve the teaching and research interface with the reactor. Standard irradiation more ยป facilities include wet exposure ports, a graphite thermal column, and a pneumatic transfer system. Upon moderation, slow ( pellet fuel in Zircaloy II cladding. The positrons are created in a tungsten converter/moderator by pair-production using gamma rays produced in the reactor core and by neutron capture reactions in cadmium cladding surrounding the tungsten. The positron beam line is installed in a beam port that has a 30-cmx30-cm cross sectional view of the core. An intense slow positron beam is in its early stages of operation at the 1-MW open-pool PULSTAR research reactor at North Carolina State University.
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