@inproceedings{f74b52d780b5459d99dbe8fef3441207,
title = "A new pulse shape description for α particle pulses in a highly-sensitive sub-Kelvin bolometer",
abstract = "The next generation of cosmology space missions will be sensitive to parasitic signals arising from cosmic rays. Using a composite bolometer, we have investigated pulses produced by α particles in order to understand the movement of energy produced by ionising radiation. Using a series of measurements at 100 mK, we have compared the typical fitting algorithm (a mathematical model) with a second method of pulse interpretation by convolving the detector's thermal response function with a starting profile of thermalised athermal phonons, taking into account the effects of heat propagation. Using this new fitting method, we have eliminated the need for a non-physical quadratic nonlinearity factor produced using more common methods, and we find a pulse form in good agreement with known aspects of thermal physics. This work is carried forward in the effort to produce a physical model for energy deposition in this detector. The modelling is motivated by the reproduction of statistical features in the experimental dataset, and the new interpretation of α pulse shapes represents an improvement in the current understanding of the energy propagation mechanisms in this detector.",
keywords = "Bolometer, Cosmic ray, Particle interactions, Particles, Sub-millimetre",
author = "Stever, {S. L.} and F. Couchot and N. Coron and Janssen, {R. M.J.} and B. Maffei",
note = "Funding Information: The author wishes to acknowledge the french national space agency Centre National d{\textquoteright}Etudes Spatiales (CNES) for funding their work. Publisher Copyright: {\textcopyright} COPYRIGHT SPIE. Downloading of the abstract is permitted for personal use only.; Space Telescopes and Instrumentation 2018: Optical, Infrared, and Millimeter Wave ; Conference date: 10-06-2018 Through 15-06-2018",
year = "2018",
doi = "10.1117/12.2313968",
language = "English",
isbn = "9781510619494",
series = "Proceedings of SPIE - The International Society for Optical Engineering",
publisher = "SPIE",
editor = "Fazio, {Giovanni G.} and MacEwen, {Howard A.} and Makenzie Lystrup",
booktitle = "Space Telescopes and Instrumentation 2018",
}