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American Institute of Physics, AIP Conference Proceedings, 2015

DOI: 10.1063/1.4927982

IOP Publishing, Journal of Physics: Conference Series, (606), p. 012009, 2015

DOI: 10.1088/1742-6596/606/1/012009

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Low Background Signal Readout Electronics for the MAJORANA DEMONSTRATOR

Journal article published in 2015 by I. Guinn, 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 and other authors.
This paper is made freely available by the publisher.
This paper is made freely available by the publisher.

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Abstract

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 ($0νββ$) 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 $ββ$ 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.