Search for coherent elastic neutrino-nucleus scattering at a nuclear reactor with CONNIE 2019 data
Abstract
The Coherent Neutrino-Nucleus Interaction Experiment (CONNIE) is taking data at the Angra 2 nuclear reactor with the aim of detecting the coherent elastic scattering of reactor antineutrinos with silicon nuclei using charge-coupled devices (CCDs). In 2019 the experiment operated with a hardware binning applied to the readout stage, leading to lower levels of readout noise and improving the detection threshold down to 50 eV. The results of the analysis of 2019 data are reported here, corresponding to the detector array of 8 CCDs with a fiducial mass of 36.2 g and a total exposure of 2.2 kg-days. The difference between the reactor-on and reactor-off spectra shows no excess at low energies and yields upper limits at 95% confidence level for the neutrino interaction rates. In the lowest-energy range, 50 - 180 eV, the expected limit stands at 34 (39) times the standard model prediction, while the observed limit is 66 (75) times the standard model prediction with Sarkis (Chavarria) quenching factors.
- Authors:
- more »
- Publication Date:
- Research Org.:
- Fermi National Accelerator Laboratory (FNAL), Batavia, IL (United States)
- Sponsoring Org.:
- USDOE Office of Science (SC), High Energy Physics (HEP)
- Contributing Org.:
- CONNIE Collaboration
- OSTI Identifier:
- 1827861
- Report Number(s):
- FERMILAB-PUB-21-515-AE-PPD-SCD; arXiv:2110.13033
Journal ID: ISSN 1029-8479; oai:inspirehep.net:1951144; TRN: US2215982
- Grant/Contract Number:
- AC02-07CH11359
- Resource Type:
- Accepted Manuscript
- Journal Name:
- Journal of High Energy Physics (Online)
- Additional Journal Information:
- Journal Name: Journal of High Energy Physics (Online); Journal Volume: 2022; Journal Issue: 5; Journal ID: ISSN 1029-8479
- Publisher:
- Springer Nature
- Country of Publication:
- United States
- Language:
- English
- Subject:
- 46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY; 72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS; Neutrino Detectors; Telescopes
Citation Formats
Aguilar-Arevalo, Alexis, Bernal, Javier, Bertou, Xavier, Bonifazi, Carla, Cancelo, Gustavo, de Carvalho, Victor B., Cervantes-Vergara, Brenda A., Chavez, Claudio, Corrêa, Gustavo Coelho, D’Olivo, Juan C., dos Anjos, João C., Estrada, Juan, Fernandes Neto, Aldo R., Fernandez Moroni, Guillermo, Foguel, Ana, Ford, Richard, Gasanego Barbuscio, Julián, Gonzalez Cuevas, Juan, Hernandez, Susana, Izraelevitch, Federico, Kilminster, Ben, Kuk, Kevin, Lima, Herman P., Makler, Martin, Martinez Montero, Mauricio, Mendes, Larissa Helena, Molina, Jorge, Mota, Philipe, Nasteva, Irina, Paolini, Eduardo, Rodrigues, Dario, Sarkis, Y., Sofo Haro, Miguel, Stalder, Diego, and Tiffenberg, Javier. Search for coherent elastic neutrino-nucleus scattering at a nuclear reactor with CONNIE 2019 data. United States: N. p., 2022.
Web. doi:10.1007/jhep05(2022)017.
Aguilar-Arevalo, Alexis, Bernal, Javier, Bertou, Xavier, Bonifazi, Carla, Cancelo, Gustavo, de Carvalho, Victor B., Cervantes-Vergara, Brenda A., Chavez, Claudio, Corrêa, Gustavo Coelho, D’Olivo, Juan C., dos Anjos, João C., Estrada, Juan, Fernandes Neto, Aldo R., Fernandez Moroni, Guillermo, Foguel, Ana, Ford, Richard, Gasanego Barbuscio, Julián, Gonzalez Cuevas, Juan, Hernandez, Susana, Izraelevitch, Federico, Kilminster, Ben, Kuk, Kevin, Lima, Herman P., Makler, Martin, Martinez Montero, Mauricio, Mendes, Larissa Helena, Molina, Jorge, Mota, Philipe, Nasteva, Irina, Paolini, Eduardo, Rodrigues, Dario, Sarkis, Y., Sofo Haro, Miguel, Stalder, Diego, & Tiffenberg, Javier. Search for coherent elastic neutrino-nucleus scattering at a nuclear reactor with CONNIE 2019 data. United States. https://doi.org/10.1007/jhep05(2022)017
Aguilar-Arevalo, Alexis, Bernal, Javier, Bertou, Xavier, Bonifazi, Carla, Cancelo, Gustavo, de Carvalho, Victor B., Cervantes-Vergara, Brenda A., Chavez, Claudio, Corrêa, Gustavo Coelho, D’Olivo, Juan C., dos Anjos, João C., Estrada, Juan, Fernandes Neto, Aldo R., Fernandez Moroni, Guillermo, Foguel, Ana, Ford, Richard, Gasanego Barbuscio, Julián, Gonzalez Cuevas, Juan, Hernandez, Susana, Izraelevitch, Federico, Kilminster, Ben, Kuk, Kevin, Lima, Herman P., Makler, Martin, Martinez Montero, Mauricio, Mendes, Larissa Helena, Molina, Jorge, Mota, Philipe, Nasteva, Irina, Paolini, Eduardo, Rodrigues, Dario, Sarkis, Y., Sofo Haro, Miguel, Stalder, Diego, and Tiffenberg, Javier. Tue .
"Search for coherent elastic neutrino-nucleus scattering at a nuclear reactor with CONNIE 2019 data". United States. https://doi.org/10.1007/jhep05(2022)017. https://www.osti.gov/servlets/purl/1827861.
@article{osti_1827861,
title = {Search for coherent elastic neutrino-nucleus scattering at a nuclear reactor with CONNIE 2019 data},
author = {Aguilar-Arevalo, Alexis and Bernal, Javier and Bertou, Xavier and Bonifazi, Carla and Cancelo, Gustavo and de Carvalho, Victor B. and Cervantes-Vergara, Brenda A. and Chavez, Claudio and Corrêa, Gustavo Coelho and D’Olivo, Juan C. and dos Anjos, João C. and Estrada, Juan and Fernandes Neto, Aldo R. and Fernandez Moroni, Guillermo and Foguel, Ana and Ford, Richard and Gasanego Barbuscio, Julián and Gonzalez Cuevas, Juan and Hernandez, Susana and Izraelevitch, Federico and Kilminster, Ben and Kuk, Kevin and Lima, Herman P. and Makler, Martin and Martinez Montero, Mauricio and Mendes, Larissa Helena and Molina, Jorge and Mota, Philipe and Nasteva, Irina and Paolini, Eduardo and Rodrigues, Dario and Sarkis, Y. and Sofo Haro, Miguel and Stalder, Diego and Tiffenberg, Javier},
abstractNote = {The Coherent Neutrino-Nucleus Interaction Experiment (CONNIE) is taking data at the Angra 2 nuclear reactor with the aim of detecting the coherent elastic scattering of reactor antineutrinos with silicon nuclei using charge-coupled devices (CCDs). In 2019 the experiment operated with a hardware binning applied to the readout stage, leading to lower levels of readout noise and improving the detection threshold down to 50 eV. The results of the analysis of 2019 data are reported here, corresponding to the detector array of 8 CCDs with a fiducial mass of 36.2 g and a total exposure of 2.2 kg-days. The difference between the reactor-on and reactor-off spectra shows no excess at low energies and yields upper limits at 95% confidence level for the neutrino interaction rates. In the lowest-energy range, 50 - 180 eV, the expected limit stands at 34 (39) times the standard model prediction, while the observed limit is 66 (75) times the standard model prediction with Sarkis (Chavarria) quenching factors.},
doi = {10.1007/jhep05(2022)017},
journal = {Journal of High Energy Physics (Online)},
number = 5,
volume = 2022,
place = {United States},
year = {Tue May 03 00:00:00 EDT 2022},
month = {Tue May 03 00:00:00 EDT 2022}
}
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