Characterization of mini-CryoCube detectors from the Ricochet experiment commissioning at the Institut Laue-Langevin
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| Format: | Preprint |
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2025
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| author | Armatol, Antoine Augier, Corinne Bailly-Salins, Louis Baulieu, Guillaume Bergé, Laurent Billard, Julien Blé, Juliette Bres, Guillaume Bret, Jean-Louis Broniatowski, Alexandre Calvo, Martino Cavanna, Antonella Cazes, Antoine Celi, Emanuela Chaize, David Chala, Mohammed Chappellier, Maurice Chaplinsky, Luke Chemin, Guillaume Chen, Ran Colas, Jules Couraud, Laurent Cudmore, Elspeth De Jesus, Maryvonne Dombrowski, Nicole Dumoulin, Louis Durnez, Alan Exshaw, Olivier Ferriol, Sylvain Figueroa-Feliciano, Enectali Formaggio, Joseph A. Fuard, Stephane Gascon, Jules Giuliani, Andrea Goy, Corinne Guerin, Cyrille Guy, Elsa Haegel, Leïla Hertel, Scott A. Hoarau, Christophe Hong, Ziqing Ianigro, Jean-Christophe Jin, Yong Juillard, Alexandre Khussainov, Temirlan Kubik, Andrew Lamblin, Jacob Lattaud, Hugues Le-Bellec, Tatiana Leroy, Laetitia Li, Mingyu Lubashevskiy, Alexey Marnieros, Stefanos Martini, Nicolas Minet, Julien Monfardini, Alessandro Mounier, Franck Novati, Valentina Olivieri, Emiliano Patel, Pratyush K. Perbet, Eric Pinckney, Harold Douglas Poda, Denys V. Ponomarev, Dmitrii Van De Pontseele, Wouter Real, Jean-Sébastien Reyes, Faith C. Rodriguez, Alejandro Rousseau, Murielle Rozov, Sergey Rozova, Irina Ryan, Brianna Sabhari, Deeksha Scorza, Silvia Serra, Renaud Shevchik, Yegor Soldner, Torsten Stutz, Anne Ulysse, Christian Vagneron, Lionel Vasilyev, Sergey Vezzu, Francis Vittaz, Paul Yakushev, Evgeny Yang, Jiatong Zinatulina, Daniya |
| author_facet | Armatol, Antoine Augier, Corinne Bailly-Salins, Louis Baulieu, Guillaume Bergé, Laurent Billard, Julien Blé, Juliette Bres, Guillaume Bret, Jean-Louis Broniatowski, Alexandre Calvo, Martino Cavanna, Antonella Cazes, Antoine Celi, Emanuela Chaize, David Chala, Mohammed Chappellier, Maurice Chaplinsky, Luke Chemin, Guillaume Chen, Ran Colas, Jules Couraud, Laurent Cudmore, Elspeth De Jesus, Maryvonne Dombrowski, Nicole Dumoulin, Louis Durnez, Alan Exshaw, Olivier Ferriol, Sylvain Figueroa-Feliciano, Enectali Formaggio, Joseph A. Fuard, Stephane Gascon, Jules Giuliani, Andrea Goy, Corinne Guerin, Cyrille Guy, Elsa Haegel, Leïla Hertel, Scott A. Hoarau, Christophe Hong, Ziqing Ianigro, Jean-Christophe Jin, Yong Juillard, Alexandre Khussainov, Temirlan Kubik, Andrew Lamblin, Jacob Lattaud, Hugues Le-Bellec, Tatiana Leroy, Laetitia Li, Mingyu Lubashevskiy, Alexey Marnieros, Stefanos Martini, Nicolas Minet, Julien Monfardini, Alessandro Mounier, Franck Novati, Valentina Olivieri, Emiliano Patel, Pratyush K. Perbet, Eric Pinckney, Harold Douglas Poda, Denys V. Ponomarev, Dmitrii Van De Pontseele, Wouter Real, Jean-Sébastien Reyes, Faith C. Rodriguez, Alejandro Rousseau, Murielle Rozov, Sergey Rozova, Irina Ryan, Brianna Sabhari, Deeksha Scorza, Silvia Serra, Renaud Shevchik, Yegor Soldner, Torsten Stutz, Anne Ulysse, Christian Vagneron, Lionel Vasilyev, Sergey Vezzu, Francis Vittaz, Paul Yakushev, Evgeny Yang, Jiatong Zinatulina, Daniya |
| contents | The Ricochet experiment aims to measure the coherent elastic neutrino-nucleus scattering process from antineutrinos emitted by a research nuclear reactor operated by the Institut Laue-Langevin (Grenoble, France). This article presents a description of the Ricochet experimental installation and the detector performance achieved during its commissioning with a mini-CryoCube module consisting of three 42-gram germanium cryogenic calorimeters. The baseline resolutions and background levels are reported both during reactor-on and reactor-off periods, and as noise mitigation techniques were improved. A baseline resolution of 40 eV electron equivalent was achieved for the ionization channel after setup improvements, and the phonon channel resolutions ranged from 50 to 80 eV of total phonon energy. In the energy region from 2 to 7 keV, a nuclear recoil rate of 15(2) events/(kg day keV) is measured during the reactor-off period selecting events in coincidence with muon veto signals. This rate is in agreement with the cosmogenic neutron rate calculated from GEANT4 simulations. After the rejection of events in coincidence with signals in the muon veto detectors, a combined 90% C.L. limit on the nuclear recoil background of < 9 events/(kg day keV) is obtained in that energy region during the reactor-on period, which is compatible with our GEANT4 model calculation corresponding to a total rate of 5 events/(kg day keV). The sensitivity of this analysis was however found to be limited by a surface event contamination which is currently being addressed by the Ricochet Collaboration with upgraded detectors. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_22751 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Characterization of mini-CryoCube detectors from the Ricochet experiment commissioning at the Institut Laue-Langevin Armatol, Antoine Augier, Corinne Bailly-Salins, Louis Baulieu, Guillaume Bergé, Laurent Billard, Julien Blé, Juliette Bres, Guillaume Bret, Jean-Louis Broniatowski, Alexandre Calvo, Martino Cavanna, Antonella Cazes, Antoine Celi, Emanuela Chaize, David Chala, Mohammed Chappellier, Maurice Chaplinsky, Luke Chemin, Guillaume Chen, Ran Colas, Jules Couraud, Laurent Cudmore, Elspeth De Jesus, Maryvonne Dombrowski, Nicole Dumoulin, Louis Durnez, Alan Exshaw, Olivier Ferriol, Sylvain Figueroa-Feliciano, Enectali Formaggio, Joseph A. Fuard, Stephane Gascon, Jules Giuliani, Andrea Goy, Corinne Guerin, Cyrille Guy, Elsa Haegel, Leïla Hertel, Scott A. Hoarau, Christophe Hong, Ziqing Ianigro, Jean-Christophe Jin, Yong Juillard, Alexandre Khussainov, Temirlan Kubik, Andrew Lamblin, Jacob Lattaud, Hugues Le-Bellec, Tatiana Leroy, Laetitia Li, Mingyu Lubashevskiy, Alexey Marnieros, Stefanos Martini, Nicolas Minet, Julien Monfardini, Alessandro Mounier, Franck Novati, Valentina Olivieri, Emiliano Patel, Pratyush K. Perbet, Eric Pinckney, Harold Douglas Poda, Denys V. Ponomarev, Dmitrii Van De Pontseele, Wouter Real, Jean-Sébastien Reyes, Faith C. Rodriguez, Alejandro Rousseau, Murielle Rozov, Sergey Rozova, Irina Ryan, Brianna Sabhari, Deeksha Scorza, Silvia Serra, Renaud Shevchik, Yegor Soldner, Torsten Stutz, Anne Ulysse, Christian Vagneron, Lionel Vasilyev, Sergey Vezzu, Francis Vittaz, Paul Yakushev, Evgeny Yang, Jiatong Zinatulina, Daniya High Energy Physics - Experiment Instrumentation and Methods for Astrophysics Instrumentation and Detectors The Ricochet experiment aims to measure the coherent elastic neutrino-nucleus scattering process from antineutrinos emitted by a research nuclear reactor operated by the Institut Laue-Langevin (Grenoble, France). This article presents a description of the Ricochet experimental installation and the detector performance achieved during its commissioning with a mini-CryoCube module consisting of three 42-gram germanium cryogenic calorimeters. The baseline resolutions and background levels are reported both during reactor-on and reactor-off periods, and as noise mitigation techniques were improved. A baseline resolution of 40 eV electron equivalent was achieved for the ionization channel after setup improvements, and the phonon channel resolutions ranged from 50 to 80 eV of total phonon energy. In the energy region from 2 to 7 keV, a nuclear recoil rate of 15(2) events/(kg day keV) is measured during the reactor-off period selecting events in coincidence with muon veto signals. This rate is in agreement with the cosmogenic neutron rate calculated from GEANT4 simulations. After the rejection of events in coincidence with signals in the muon veto detectors, a combined 90% C.L. limit on the nuclear recoil background of < 9 events/(kg day keV) is obtained in that energy region during the reactor-on period, which is compatible with our GEANT4 model calculation corresponding to a total rate of 5 events/(kg day keV). The sensitivity of this analysis was however found to be limited by a surface event contamination which is currently being addressed by the Ricochet Collaboration with upgraded detectors. |
| title | Characterization of mini-CryoCube detectors from the Ricochet experiment commissioning at the Institut Laue-Langevin |
| topic | High Energy Physics - Experiment Instrumentation and Methods for Astrophysics Instrumentation and Detectors |
| url | https://arxiv.org/abs/2507.22751 |