Optimisation of TES design for the CRESST experiment
Abstract
The CRESST experiment aims at the direct detection of sub-GeV dark matter particles via elastic scattering off nuclei in different target crystals at cryogenic temperatures. The advancement in W-TES sensors allowed the CRESST detectors to reach energy thresholds of 10 eV and lower, opening the way to the exploration of dark matter masses as low as 70 MeV/c2. This work presents optimisation studies of W-TESs aimed at further improving the signal-to-noise ratio and overall detector performance. In particular, we investigate the thickness, dimensions and material composition of phonon collectors and assess their impact on detector response. The results demonstrate a significant performance enhancement and establish new benchmarks for the sensors used within CRESST.
Cite
@article{arxiv.2605.07592,
title = {Optimisation of TES design for the CRESST experiment},
author = {G. Angloher and S. Banik and A. Bento and A. Bertolini and R. Breier and C. Bucci and J. Burkhart and L. Burmeister and L. Canonica and E. Cipelli and S. Di Lorenzo and J. Dohm and F. Dominsky and A. Erb and E. Fascione and F. v. Feilitzsch and S. Fichtinger and D. Fuchs and V. M. Ghete and P. Gorla and P. V. Guillaumon and S. Gupta and D. Hauff and M. Ješkovský and J. Jochum and M. Kaznacheeva and H. Kluck and H. Kraus and B. von Krosigk and A. Langenkämper and M. Mancuso and B. Mauri and V. Mokina and C. Moore and P. Murali and M. Olmi and T. Ortmann and C. Pagliarone and L. Pattavina and F. Petricca and W. Potzel and P. Povinec and F. Pröbst and F. Pucci and F. Reindl and J. Rothe and K. Schäffner and J. Schieck and S. Schönert and C. Schwertner and M. Stahlberg and L. Stodolsky and C. Strandhagen and R. Strauss and I. Usherov and M. Zanirato and V. Zema},
journal= {arXiv preprint arXiv:2605.07592},
year = {2026}
}
Comments
7 pages, 9 figures. This article has been accepted for publication in IEEE Transactions on Applied Superconductivity