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Physics > Instrumentation and Detectors

arXiv:1905.12087 (physics)
[Submitted on 27 May 2019]

Title:A novel application of solid state detectors for high precision, low systematics measurement of beta decay energy spectra of interest for neutrino and nuclear physics

Authors:Matteo Biassoni, Marco Carminati, Luigi Coraggio, Oliviero Cremonesi, Carlo Fiorini, Claudio Gotti, Matteo Gugiatti, Lorenzo Pagnanini, Maura Pavan, Stefano Pozzi
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Abstract:This project is focused on the development of a novel strategy for the precise measurement of beta decay energy spectra. The exact determination of beta spectra has wide implications in the particle and nuclear physics fields: from sterile neutrino searches \cite{Adhikari 2016} to validation of nuclear models of interest for double beta decay searches \cite{Suhonen 2017}, to reactor neutrino experiments. The experimental strategy is focused on the mitigation of the systematic uncertainty in the determination of the spectral shape related to the energy response of the detector. The plan is to use Silicon Drift Detectors (SDDs), exploiting their excellent energy resolution and response uniformity, the thin dead layer and the fast signal that allows high rate operations. A complete modeling of SDDs response to the interaction of beta particles via numerical simulations, validated with dedicated measurements, aims at identifying and canceling the detector-related systematics. Similar attention will be devoted to the integration of beta radioactive sources that preserve the energy information carried by the emitted electrons, and to a veto system with a full solid angle coverage to intercept any escaping particle potentially carrying a fraction of the original electron energy.
Subjects: Instrumentation and Detectors (physics.ins-det)
Cite as: arXiv:1905.12087 [physics.ins-det]
  (or arXiv:1905.12087v1 [physics.ins-det] for this version)
  https://doi.org/10.48550/arXiv.1905.12087

Submission history

From: Matteo Biassoni [view email]
[v1] Mon, 27 May 2019 06:13:25 UTC (5,629 KB)
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