CONNIE's first Skipper-CCD run at Angra-2 yields no CEνNS excess, comparable prior limits on neutrino rates, improved bounds on light vector mediators, and record surface DM-electron limits via diurnal modulation.
Background Studies for the MINER Coherent Neutrino Scattering Reactor Experiment
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abstract
The proposed Mitchell Institute Neutrino Experiment at Reactor (MINER) experiment at the Nuclear Science Center at Texas A&M University will search for coherent elastic neutrino-nucleus scattering within close proximity (about 2 meters) of a 1 MW TRIGA nuclear reactor core using low threshold, cryogenic germanium and silicon detectors. Given the Standard Model cross section of the scattering process and the proposed experimental proximity to the reactor, as many as 5 to 20 events/kg/day are expected. We discuss the status of preliminary measurements to characterize the main backgrounds for the proposed experiment. Both in situ measurements at the experimental site and simulations using the MCNP and GEANT4 codes are described. A strategy for monitoring backgrounds during data taking is briefly discussed.
fields
hep-ex 2years
2024 2verdicts
UNVERDICTED 2representative citing papers
Reactor-adjacent CsI(Tl) detector achieves low MeV background enabling projected sensitivity to g_aγγ ≳ 10^{-6} and 10^{-8} < g_aee < 10^{-4} for 1 keV–10 MeV ALPs.
citing papers explorer
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Searches for CE{\nu}NS and Physics beyond the Standard Model using Skipper-CCDs at CONNIE
CONNIE's first Skipper-CCD run at Angra-2 yields no CEνNS excess, comparable prior limits on neutrino rates, improved bounds on light vector mediators, and record surface DM-electron limits via diurnal modulation.
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Reactor-based Search for Axion-Like Particles using CsI(Tl) Detector
Reactor-adjacent CsI(Tl) detector achieves low MeV background enabling projected sensitivity to g_aγγ ≳ 10^{-6} and 10^{-8} < g_aee < 10^{-4} for 1 keV–10 MeV ALPs.