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Commissioning of the NUCLEUS Experiment at the Technical University of Munich

Fuente: arXiv

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Main Authors:	Abele, H., Angloher, G., Arnold, B., Corona, M. Atzori, Bento, A., Bossio, E., Buchsteiner, F., Burkhart, J., Cappella, F., Cappelli, M., Casali, N., Cerulli, R., Cruciani, A., Del Castello, G., Roccagiovine, M. del Gallo, Dorer, S., Erhart, A., Friedl, M., Fichtinger, S., Ghete, V. M., Giammei, M., Goupy, C., Hauff, D., Jeanneau, F., Jericha, E., Kaznacheeva, M., Kluck, H., Langenkämper, A., Lasserre, T., Lhuillier, D., Mancuso, M., Martin, R., Mauri, B., Mazzolari, A., McCallin, L., Neyrial, H., Nones, C., Oberauer, L., Ortmann, T., Peters, L., Petricca, F., Potzel, W., Pröbst, F., Pucci, F., Reindl, F., Romagnoni, M., Rothe, J., Schermer, N., Schieck, J., Schönert, S., Schwertner, C., Scola, L., Soum-Sidikov, G., Stodolsky, L., Strauss, R., Thalmeier, R., Tomei, C., Vignati, M., Vivier, M., Wex, A.
Format:	Preprint
Published:	2025
Subjects:	High Energy Physics - Experiment Nuclear Experiment Instrumentation and Detectors
Online Access:	Acceder al recurso
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_version_	1866911238642991104
author	Abele, H. Angloher, G. Arnold, B. Corona, M. Atzori Bento, A. Bossio, E. Buchsteiner, F. Burkhart, J. Cappella, F. Cappelli, M. Casali, N. Cerulli, R. Cruciani, A. Del Castello, G. Roccagiovine, M. del Gallo Dorer, S. Erhart, A. Friedl, M. Fichtinger, S. Ghete, V. M. Giammei, M. Goupy, C. Hauff, D. Jeanneau, F. Jericha, E. Kaznacheeva, M. Kluck, H. Langenkämper, A. Lasserre, T. Lhuillier, D. Mancuso, M. Martin, R. Mauri, B. Mazzolari, A. McCallin, L. Neyrial, H. Nones, C. Oberauer, L. Ortmann, T. Peters, L. Petricca, F. Potzel, W. Pröbst, F. Pucci, F. Reindl, F. Romagnoni, M. Rothe, J. Schermer, N. Schieck, J. Schönert, S. Schwertner, C. Scola, L. Soum-Sidikov, G. Stodolsky, L. Strauss, R. Thalmeier, R. Tomei, C. Vignati, M. Vivier, M. Wex, A.
author_facet	Abele, H. Angloher, G. Arnold, B. Corona, M. Atzori Bento, A. Bossio, E. Buchsteiner, F. Burkhart, J. Cappella, F. Cappelli, M. Casali, N. Cerulli, R. Cruciani, A. Del Castello, G. Roccagiovine, M. del Gallo Dorer, S. Erhart, A. Friedl, M. Fichtinger, S. Ghete, V. M. Giammei, M. Goupy, C. Hauff, D. Jeanneau, F. Jericha, E. Kaznacheeva, M. Kluck, H. Langenkämper, A. Lasserre, T. Lhuillier, D. Mancuso, M. Martin, R. Mauri, B. Mazzolari, A. McCallin, L. Neyrial, H. Nones, C. Oberauer, L. Ortmann, T. Peters, L. Petricca, F. Potzel, W. Pröbst, F. Pucci, F. Reindl, F. Romagnoni, M. Rothe, J. Schermer, N. Schieck, J. Schönert, S. Schwertner, C. Scola, L. Soum-Sidikov, G. Stodolsky, L. Strauss, R. Thalmeier, R. Tomei, C. Vignati, M. Vivier, M. Wex, A.
contents	The NUCLEUS experiment aims to detect coherent elastic neutrino-nucleus scattering of reactor antineutrinos on CaWO$_4$ targets in the fully coherent regime, using gram-scale cryogenic calorimeters. The experimental apparatus will be installed at the Chooz nuclear power plant in France, in the vicinity of two 4.25 GW$_{\text{th}}$ reactor cores. This work presents results from the commissioning of an essential version of the experiment at the shallow Underground Laboratory of the Technical University of Munich. For the first time, two cryogenic target detectors were tested alongside active and passive shielding systems. Over a period of two months all detector subsystems were operated with stable performance. Background measurements were conducted, providing important benchmarks for the modeling of background sources at the reactor site. Finally, we present ongoing efforts to upgrade the detector systems in preparation for a technical run at Chooz in 2026, and highlight the remaining challenges to achieving neutrino detection.
format	Preprint
id	arxiv_https___arxiv_org_abs_2508_02488
institution	arXiv
publishDate	2025
record_format	arxiv
spellingShingle	Commissioning of the NUCLEUS Experiment at the Technical University of Munich Abele, H. Angloher, G. Arnold, B. Corona, M. Atzori Bento, A. Bossio, E. Buchsteiner, F. Burkhart, J. Cappella, F. Cappelli, M. Casali, N. Cerulli, R. Cruciani, A. Del Castello, G. Roccagiovine, M. del Gallo Dorer, S. Erhart, A. Friedl, M. Fichtinger, S. Ghete, V. M. Giammei, M. Goupy, C. Hauff, D. Jeanneau, F. Jericha, E. Kaznacheeva, M. Kluck, H. Langenkämper, A. Lasserre, T. Lhuillier, D. Mancuso, M. Martin, R. Mauri, B. Mazzolari, A. McCallin, L. Neyrial, H. Nones, C. Oberauer, L. Ortmann, T. Peters, L. Petricca, F. Potzel, W. Pröbst, F. Pucci, F. Reindl, F. Romagnoni, M. Rothe, J. Schermer, N. Schieck, J. Schönert, S. Schwertner, C. Scola, L. Soum-Sidikov, G. Stodolsky, L. Strauss, R. Thalmeier, R. Tomei, C. Vignati, M. Vivier, M. Wex, A. High Energy Physics - Experiment Nuclear Experiment Instrumentation and Detectors The NUCLEUS experiment aims to detect coherent elastic neutrino-nucleus scattering of reactor antineutrinos on CaWO$_4$ targets in the fully coherent regime, using gram-scale cryogenic calorimeters. The experimental apparatus will be installed at the Chooz nuclear power plant in France, in the vicinity of two 4.25 GW$_{\text{th}}$ reactor cores. This work presents results from the commissioning of an essential version of the experiment at the shallow Underground Laboratory of the Technical University of Munich. For the first time, two cryogenic target detectors were tested alongside active and passive shielding systems. Over a period of two months all detector subsystems were operated with stable performance. Background measurements were conducted, providing important benchmarks for the modeling of background sources at the reactor site. Finally, we present ongoing efforts to upgrade the detector systems in preparation for a technical run at Chooz in 2026, and highlight the remaining challenges to achieving neutrino detection.
title	Commissioning of the NUCLEUS Experiment at the Technical University of Munich
topic	High Energy Physics - Experiment Nuclear Experiment Instrumentation and Detectors
url	https://arxiv.org/abs/2508.02488