Towards a physical model for energy deposition via cosmic rays into sub-K bolometric detectors

S. L. Stever, F. Couchot, N. Coron, B. Maffei

Research output: Contribution to journalArticlepeer-review

1 Citation (Scopus)

Abstract

Cosmology space missions have been known to be particularly sensitive to systematic effects arising from the interaction between cosmic rays and highly sensitive detectors below 200 mK. To remove this signal, one must first understand the deposition and dissipation of energy into these detectors. Using a well-known NTD germanium composite bolometer, we simulate the effect of cosmic rays using a radioactive source in the laboratory. Through analysis of experimental data, we find that the glitch signal shape is a function of incoming particle position, as well as the incoming particle energy. We report also on nonlinear effects in the fit, in order to lay the groundwork towards a new physical model for this energy propagation in the bolometer.

Original languageEnglish
Article numberP01012
JournalJournal of Instrumentation
Volume14
Issue number1
DOIs
Publication statusPublished - Jan 10 2019
Externally publishedYes

Keywords

  • Cryogenic detectors
  • Interaction of radiation with matter
  • Space instrumentation
  • Systematic effects

ASJC Scopus subject areas

  • Mathematical Physics
  • Instrumentation

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