NanoSat Atmospheric Chemistry Hyperspectral Observation System (NACHOS) (First Annual Report) [Slides]
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37 INORGANIC, ORGANIC, PHYSICAL, AND ANALYTICAL CH↗
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Skipper-CCD Quantum Efficiency Analysis
Scientific skipper-CCDs with single-electron resolution present dozens of possibilities for detecting dark matter candidates. Fermilab's Cosmic Physics Center contributes to the DarkNESS mission, which aims to place a skipper multi-chip module in a 6U CubeSat designed for low earth orbit. The DarkNESS nanosat will have the capability to search for 1-10keV band X-rays that may originate from DM decays. One of the challenges of detection in space is the large amount of cosmic radiation contributing to sensor noise. To mitigate this, an aluminum shield is proposed to be placed on the sensor. This project aims to test and characterize the energy resolution with a shield of various thicknesses (0-100nm) using a single CCD and an iron-55 x-ray source. ROOT analysis was used to parse data from several runs into sections based on shield thickness, create strategic data cuts, and characterize Fano plus signal shot noise in the sensor.
Wells, Megan E. [U. Illinois, Chicago]↗