Publications by authors named "A B Balantekin"
Comprehensive Measurement of the Reactor Antineutrino Spectrum and Flux at Daya Bay.
Phys Rev Lett
May 2025
This Letter reports the precise measurement of the reactor antineutrino spectrum and flux based on the full dataset of 4.7×10^{6} inverse-beta-decay candidates collected at Daya Bay near detectors. Expressed in terms of the inverse-beta-decay yield per fission, the antineutrino spectra from all reactor fissile isotopes and the specific ^{235}U and ^{239}Pu isotopes are measured with 1.
View Article and Find Full Text PDFThe PROSPECT experiment is designed to perform precise searches for antineutrino disappearance at short distances (7-9 m) from compact nuclear reactor cores. This Letter reports results from a new neutrino oscillation analysis performed using the complete data sample from the PROSPECT-I detector operated at the High Flux Isotope Reactor in 2018. The analysis uses a multiperiod selection of inverse beta decay neutrino interactions with reduced backgrounds and enhanced statistical power to set limits on electron neutrino disappearance caused by mixing with sterile neutrinos with 0.
View Article and Find Full Text PDFArticle Synopsis
- - The Daya Bay experiment has successfully measured the oscillation amplitude and frequency of reactor antineutrinos over nearly 2,000 days of data, finding significant results about their behavior.
- - They observed over 3.6 million signal candidates using improved selection and calibration methods, leading to a measurement of sin²2θ₁₃ = 0.0759 with a precision that indicates how antineutrinos change states.
- - Combining results from different detection methods at Daya Bay, the overall measurement of sin²2θ₁₃ increased precision to 0.0833±0.0022, representing an 8% improvement in understanding these neutrino properties.
This Letter presents results of a search for the mixing of a sub-eV sterile neutrino with three active neutrinos based on the full data sample of the Daya Bay Reactor Neutrino Experiment, collected during 3158 days of detector operation, which contains 5.55×10^{6} reactor ν[over ¯]_{e} candidates identified as inverse beta-decay interactions followed by neutron capture on gadolinium. The analysis benefits from a doubling of the statistics of our previous result and from improvements of several important systematic uncertainties.
View Article and Find Full Text PDFArticle Synopsis
- This Letter presents a precise measurement of the antineutrino spectrum from a reactor fueled exclusively with ^{235}U, using data from the PROSPECT-I detector.
- The analysis doubled the previous measurements by utilizing previously unused segments of the detector, leading to a more accurate reconstruction of the antineutrino energy spectrum.
- A notable excess in the antineutrino counts is observed in the 5-7 MeV energy range, indicating that the behavior of antineutrinos from ^{235}U cannot exclusively account for this anomaly compared to commercial reactors.