, University of Virginia - Physics
[Host: Blaine Norum]
The ultimate goal of my research is to measure for photons between 8 and 20 MeV using a frozen-spin target originally constructed at CERN in the mid 1970’s. The goal is to 1) look for a dibaryon state of the deuteron and to 2) investigate suspected deviations of the Gerasimov-Drell-Hearn integrand. In order to make sure we are as prepared as possible, we practice operation of the target in our lab. The primary goal of these practice runs or “cooldowns” is to achieve the ideal ratio of Helium-3 and Helium-4 in the target chamber of our dilution refrigerator in order to get it down to the coldest temperature possible and then to measure the polarization of the target. However, we have hit a few bumps along the way, and cannot currently do cooldowns due to our dilution fridge leaking. The primary focus of my talk will be on the steps we have taken to fix our fridge and get back to doing proper cooldowns.
Nuclear Physics Seminar
Tuesday, April 16, 2019
Physics Building, Room 204
Note special room.
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