Abstract
We present the status and prospects of the Sub-Electron-Noise Skipper Experimental Instrument (SENSEI) that uses a novel nondestructive readout technique to achieve stable readout for thick fully depleted silicon CCD in the far sub-electron regime (\(\sim \)0.05 e\(^-\)rms/pix). This is the first instrument to achieve discrete sub-electron counting that is stable over millions of pixels on a large-area detector. This low threshold allows for unprecedented sensitivity to the largely unexplored, but theoretically well-motivated, area of sub-GeV dark matter models. We will discuss the reach and prospects of the SENSEI experiment currently under construction, which will use 100 g of Skipper CCDs. We also present recent results from an engineering surface run and the lessons learned from a small scale prototype currently operating in the MINOS cavern at Fermilab.
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Tiffenberg, J. (2019). The SENSEI Experiment. In: Essig, R., Feng, J., Zurek, K. (eds) Illuminating Dark Matter. Astrophysics and Space Science Proceedings, vol 56. Springer, Cham. https://doi.org/10.1007/978-3-030-31593-1_18
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