The Gaseous Prototype (GaP): a GanESS demonstrator
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| Main Authors: | , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866912329779642368 |
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| author | Larizgoitia, L. Simón, A. Oblak, E. Echeverria, C. Dietz, P. Castillo, A. Donneger, L. Gómez-Cadenas, J. J. Monrabal, F. |
| author_facet | Larizgoitia, L. Simón, A. Oblak, E. Echeverria, C. Dietz, P. Castillo, A. Donneger, L. Gómez-Cadenas, J. J. Monrabal, F. |
| contents | The GanESS experiment will exploit the high-pressure noble gas time projection chamber technology to detect coherent elastic neutrino-nucleus scattering (CE$ν$NS) at the European Spallation Source (ESS). The detector, able to operate at pressures up to 50 bar with different noble gases (Xe, Ar and Kr), will employ electroluminescence to amplify the ionization signal with the objective of reaching a threshold as low as 1-2 e$^-$, equivalent to $<$ 100 eV$_{\text{ee}}$. The Gaseous Prototype (GaP) has been built to characterize the technique at the few-keV energy regime and to understand various aspects related to the technology. Concretely, it will be used to measure the quenching factor of the different mediums as well as to characterize the electroluminescence yield and detection threshold under different operational conditions. The present paper describes the Gaseous Prototype and its first results operating with gaseous argon at moderate pressures (up to 10 bar). A potential detection threshold lower than 2.9 keV has been observed following operation with a $^{55}$Fe calibration source. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2504_11324 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | The Gaseous Prototype (GaP): a GanESS demonstrator Larizgoitia, L. Simón, A. Oblak, E. Echeverria, C. Dietz, P. Castillo, A. Donneger, L. Gómez-Cadenas, J. J. Monrabal, F. Instrumentation and Detectors High Energy Physics - Experiment Nuclear Experiment The GanESS experiment will exploit the high-pressure noble gas time projection chamber technology to detect coherent elastic neutrino-nucleus scattering (CE$ν$NS) at the European Spallation Source (ESS). The detector, able to operate at pressures up to 50 bar with different noble gases (Xe, Ar and Kr), will employ electroluminescence to amplify the ionization signal with the objective of reaching a threshold as low as 1-2 e$^-$, equivalent to $<$ 100 eV$_{\text{ee}}$. The Gaseous Prototype (GaP) has been built to characterize the technique at the few-keV energy regime and to understand various aspects related to the technology. Concretely, it will be used to measure the quenching factor of the different mediums as well as to characterize the electroluminescence yield and detection threshold under different operational conditions. The present paper describes the Gaseous Prototype and its first results operating with gaseous argon at moderate pressures (up to 10 bar). A potential detection threshold lower than 2.9 keV has been observed following operation with a $^{55}$Fe calibration source. |
| title | The Gaseous Prototype (GaP): a GanESS demonstrator |
| topic | Instrumentation and Detectors High Energy Physics - Experiment Nuclear Experiment |
| url | https://arxiv.org/abs/2504.11324 |