Low Background Signal Readout Electronics for the MAJORANA DEMONSTRATOR

I. Guinn , N. Abgrall , F. T. Avignone III , A. S. Barabash , F. E. Bertrand , V. Brudanin , M. Busch , M. Buuck

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D. Byram A.S. Caldwell Y-D. Chan C. D. Christofferson C. Cuesta J. A. Detwiler Yu. Efremenko H. Ejiri S. R. Elliott A. Galindo-Uribarri G. K. Giovanetti J. Goett M. P. Green J. Gruszko V. E. Guiseppe R. Henning E. W. Hoppe S. Howard M. A. Howe B. R. Jasinski K. J. Keeter M. F. Kidd S. I. Konovalov R. T. Kouzes B. D. LaFerriere J. Leon J. MacMullin R. D. Martin S. J. Meijer S. Mertens J. L. Orrell C. O'Shaughnessy N. R. Overman A. W. P. Poon D. C. Radford J. Rager K. Rielage R. G. H. Robertson E. Romero-Romero M. C. Ronquest B. Shanks M. Shirchenko N. Snyder A. M. Suriano D. Tedeschi J. E. Trimble R. L. Varner S. Vasilyev K. Vetter K. Vorren B. R. White J. F. Wilkerson C. Wiseman W. Xu E. Yakushev C-H. Yu V. Yumatov

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classification ⚛️ physics.ins-det nucl-ex

keywords betamajoranabackgrounddecaydemonstratordetectorselectronicsexperiment

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The MAJORANA DEMONSTRATOR is a planned 40 kg array of Germanium detectors intended to demonstrate the feasibility of constructing a tonne-scale experiment that will seek neutrinoless double beta decay ($0\nu\beta\beta$) in $^{76}\mathrm{Ge}$. Such an experiment would require backgrounds of less than 1 count/tonne-year in the 4 keV region of interest around the 2039 keV Q-value of the $\beta\beta$ decay. Designing low-noise electronics, which must be placed in close proximity to the detectors, presents a challenge to reaching this background target. This paper will discuss the MAJORANA collaboration's solutions to some of these challenges.

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Low Background Signal Readout Electronics for the MAJORANA DEMONSTRATOR

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