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Updated: May 24, 2026
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Setting Limits on Supersymmetry Using Simplified Models
Published on: November 15, 2013
Search for electron antineutrino appearance at the deltam(2) approximately 1 eV(2) Scale
A A Aguilar-Arevalo1, C E Anderson, S J Brice
1Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Distrito Federal 04510, México.
Physical Review Letters
|October 2, 2009
Summary
The MiniBooNE experiment found no significant evidence for muon neutrino to electron neutrino oscillations. Analysis of 3.39x10^20 protons on target showed observed events consistent with background predictions.
Area of Science:
- Particle Physics
- Neutrino Physics
- Oscillation Phenomena
Background:
- Neutrino oscillations, the transformation of one neutrino flavor into another, are a key phenomenon in particle physics.
- Previous experiments have suggested possible discrepancies in neutrino oscillation measurements.
Purpose of the Study:
- To search for evidence of muon neutrino (nu_mu) to electron neutrino (nu_e) oscillations.
- To test for anomalies in neutrino behavior using a large dataset.
Main Methods:
- A signal-blind analysis was conducted on data from 3.39x10^20 protons on target.
- Neutrino energy was reconstructed assuming quasielastic scattering in the range of 200-3000 MeV.
Main Results:
- 144 electron-like events were observed, compared to an expected 139.2±17.6 events.
- No significant excess of events was found at low (200-475 MeV) or high (475-1250 MeV) energies.
- The results are inconclusive regarding antineutrino oscillations.
Conclusions:
- The MiniBooNE data do not provide significant evidence for nu_mu --> nu_e oscillations.
- The findings do not confirm or refute previous hints of antineutrino oscillations from other experiments.
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