ÚTEFČVUT Ústav technické a experimentální fyziky ČVUT v PrazeInstitute of Experimental and Applied Physics, CTU in Prague

First results of the nu GeN experiment on coherent elastic neutrino-nucleus scattering

NázevTitle
First results of the nu GeN experiment on coherent elastic neutrino-nucleus scatteringFirst results of the nu GeN experiment on coherent elastic neutrino-nucleus scattering
Druh výsledkuResult type
Článek v časopiseJournal article
AutořiAuthors
X. Alekseev, K. Balej, X. Belov, S. Evseev, Z. Hons, K. Smolek
Klíčová slovaKeywords
magnetic moment, reactor
ExperimentCollaboration
νGeN
DOIDOI
10.1103/PhysRevD.106.L051101
Časopis / citaceJournal / citation
Physical Review D 106(5), L051101 (2022) · ISSN 2470-0010
RokYear
2022
JazykLanguage
eng
ZáznamyRecords
ProjektProject
Institucionální podpora na rozvoj výzkumné org.Institucionální podpora na rozvoj výzkumné org.
CitovánoCited by
73 (INSPIRE-HEP)
2022: 82023: 82024: 302025: 192026: 8
Plný text (open access)Full text (open access)
https://arxiv.org/pdf/2205.04305
Citace ke staženíDownload citation
TXT · BibTeX

AbstraktAbstract

The nu GeN experiment is aimed to investigate neutrino properties using antineutrinos from the reactor of the Kalinin Nuclear Power Plant. The experimental setup is located at about 11 meters from the center of the 3.1 GWth reactor core. Scattering of the antineutrinos from the reactor is detected with low energy threshold high purity germanium detector. Passive and active shieldings are used to suppress all kinds of backgrounds coming from surrounding materials and cosmic radiation. The description of the experimental setup together with the first results is presented. The data taken in regimes with reactor on (94.50 days) and reactor off (47.09 days) have been compared. No significant difference between spectra of two datasets is observed, i.e., no positive signals for coherent elastic neutrino-nucleus scattering are detected. Under Standard Model assumptions about coherent neutrino scattering an upper limit on a quenching parameter k < 0.26 (90% CL) in germanium has been set.

The nu GeN experiment is aimed to investigate neutrino properties using antineutrinos from the reactor of the Kalinin Nuclear Power Plant. The experimental setup is located at about 11 meters from the center of the 3.1 GWth reactor core. Scattering of the antineutrinos from the reactor is detected with low energy threshold high purity germanium detector. Passive and active shieldings are used to suppress all kinds of backgrounds coming from surrounding materials and cosmic radiation. The description of the experimental setup together with the first results is presented. The data taken in regimes with reactor on (94.50 days) and reactor off (47.09 days) have been compared. No significant difference between spectra of two datasets is observed, i.e., no positive signals for coherent elastic neutrino-nucleus scattering are detected. Under Standard Model assumptions about coherent neutrino scattering an upper limit on a quenching parameter k < 0.26 (90% CL) in germanium has been set.

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