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Gram-scale Cryogenic Calorimeters for Rare-event Searches by Strauss, R.; Rothe, J.; Angloher, G.; Bento, A.; Gütlein, A.; Hauff, D.; Kluck, H.; Mancuso, M.; Oberauer, L.; Petricca, F.; Pröbst, F.; Schieck, J.; Schönert, S.; Seidel, W.; Stodolsky, L. is a scholarly article available to read on EtoBox.

What is Gram-scale Cryogenic Calorimeters for Rare-event Searches about?

The energy threshold of a cryogenic calorimeter can be lowered by reducing its size. This is of importance since the resulting increase in signal rate enables new approaches in rare-event searches, including the detection of MeV mass dark matter and coherent scattering of reactor or solar neutrinos. A scaling law for energy threshold vs. detector size is given. We analyze the possibility of lowering the threshold of a gram-scale cryogenic calorimeter to the few eV regime. A prototype 0.5 g Al$_2$O$_3$ device achieved an energy threshold of (${19.7\pm0.1}$) eV, the lowest value reported for a macroscopic calorimeter.

Author

Strauss, R.; Rothe, J.; Angloher, G.; Bento, A.; Gütlein, A.; Hauff, D.; Kluck, H.; Mancuso, M.; Oberauer, L.; Petricca, F.; Pröbst, F.; Schieck, J.; Schönert, S.; Seidel, W.; Stodolsky, L.

Published

2017

Language

EN