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The MAJORANA DEMONSTRATOR Readout Electronics System

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arxiv 2111.09351 v2 pith:INKCCH3X submitted 2021-11-17 physics.ins-det hep-exnucl-ex

classification physics.ins-dethep-exnucl-ex
keywords electronicsreadoutdemonstratormajoranacomponentsdetectorswereachieved
verification ladder T0 review T1 audit T2 compute T3 formal

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The MAJORANA DEMONSTRATOR comprises two arrays of high-purity germanium detectors constructed to search for neutrinoless double-beta decay in 76-Ge and other physics beyond the Standard Model. Its readout electronics were designed to have low electronic noise, and radioactive backgrounds were minimized by using low-mass components and low-radioactivity materials near the detectors. This paper provides a description of all components of the MAJORANA DEMONSTRATOR readout electronics, spanning the front-end electronics and internal cabling, back-end electronics, digitizer, and power supplies, along with the grounding scheme. The spectroscopic performance achieved with these readout electronics is also demonstrated.

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