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Title: Improved Search for ν̄ μ→ν̄ e Oscillations in the MiniBooNE Experiment

The MiniBooNE experiment at Fermilab reports results from an analysis of ν¯ e appearance data from 11.27×10²⁰ protons on target in the antineutrino mode, an increase of approximately a factor of 2 over the previously reported results. An event excess of 78.4±28.5 events (2.8σ) is observed in the energy range 200QE ν<1250 MeV. If interpreted in a two-neutrino oscillation model, ν¯ μ→ν¯ e, the best oscillation fit to the excess has a probability of 66% while the background-only fit has a χ² probability of 0.5% relative to the best fit. The data are consistent with antineutrino oscillations in the 0.01
Authors:
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Publication Date:
Type:
Publisher's Accepted Manuscript
Journal Name:
Physical Review Letters
Additional Journal Information:
Journal Name: Physical Review Letters Journal Volume: 110 Journal Issue: 16; Journal ID: ISSN 0031-9007
Publisher:
American Physical Society
Sponsoring Org:
USDOE
Country of Publication:
United States
Language:
English
OSTI Identifier:
1102076

Aguilar-Arevalo, A. A., Brown, B. C., Bugel, L., Cheng, G., Church, E. D., Conrad, J. M., Dharmapalan, R., Djurcic, Z., Finley, D. A., Ford, R., Garcia, F. G., Garvey, G. T., Grange, J., Huelsnitz, W., Ignarra, C., Imlay, R., Johnson, R. A., Karagiorgi, G., Katori, T., Kobilarcik, T., Louis, W. C., Mariani, C., Marsh, W., Mills, G. B., Mirabal, J., Moore, C. D., Mousseau, J., Nienaber, P., Osmanov, B., Pavlovic, Z., Perevalov, D., Polly, C. C., Ray, H., Roe, B. P., Russell, A. D., Shaevitz, M. H., Spitz, J., Stancu, I., Tayloe, R., Van de Water, R. G., White, D. H., Wickremasinghe, D. A., Zeller, G. P., and Zimmerman, E. D.. Improved Search for ν̄μ→ν̄e Oscillations in the MiniBooNE Experiment. United States: N. p., Web. doi:10.1103/PhysRevLett.110.161801.
Aguilar-Arevalo, A. A., Brown, B. C., Bugel, L., Cheng, G., Church, E. D., Conrad, J. M., Dharmapalan, R., Djurcic, Z., Finley, D. A., Ford, R., Garcia, F. G., Garvey, G. T., Grange, J., Huelsnitz, W., Ignarra, C., Imlay, R., Johnson, R. A., Karagiorgi, G., Katori, T., Kobilarcik, T., Louis, W. C., Mariani, C., Marsh, W., Mills, G. B., Mirabal, J., Moore, C. D., Mousseau, J., Nienaber, P., Osmanov, B., Pavlovic, Z., Perevalov, D., Polly, C. C., Ray, H., Roe, B. P., Russell, A. D., Shaevitz, M. H., Spitz, J., Stancu, I., Tayloe, R., Van de Water, R. G., White, D. H., Wickremasinghe, D. A., Zeller, G. P., & Zimmerman, E. D.. Improved Search for ν̄μ→ν̄e Oscillations in the MiniBooNE Experiment. United States. doi:10.1103/PhysRevLett.110.161801.
Aguilar-Arevalo, A. A., Brown, B. C., Bugel, L., Cheng, G., Church, E. D., Conrad, J. M., Dharmapalan, R., Djurcic, Z., Finley, D. A., Ford, R., Garcia, F. G., Garvey, G. T., Grange, J., Huelsnitz, W., Ignarra, C., Imlay, R., Johnson, R. A., Karagiorgi, G., Katori, T., Kobilarcik, T., Louis, W. C., Mariani, C., Marsh, W., Mills, G. B., Mirabal, J., Moore, C. D., Mousseau, J., Nienaber, P., Osmanov, B., Pavlovic, Z., Perevalov, D., Polly, C. C., Ray, H., Roe, B. P., Russell, A. D., Shaevitz, M. H., Spitz, J., Stancu, I., Tayloe, R., Van de Water, R. G., White, D. H., Wickremasinghe, D. A., Zeller, G. P., and Zimmerman, E. D.. 2013. "Improved Search for ν̄μ→ν̄e Oscillations in the MiniBooNE Experiment". United States. doi:10.1103/PhysRevLett.110.161801.
@article{osti_1102076,
title = {Improved Search for ν̄μ→ν̄e Oscillations in the MiniBooNE Experiment},
author = {Aguilar-Arevalo, A. A. and Brown, B. C. and Bugel, L. and Cheng, G. and Church, E. D. and Conrad, J. M. and Dharmapalan, R. and Djurcic, Z. and Finley, D. A. and Ford, R. and Garcia, F. G. and Garvey, G. T. and Grange, J. and Huelsnitz, W. and Ignarra, C. and Imlay, R. and Johnson, R. A. and Karagiorgi, G. and Katori, T. and Kobilarcik, T. and Louis, W. C. and Mariani, C. and Marsh, W. and Mills, G. B. and Mirabal, J. and Moore, C. D. and Mousseau, J. and Nienaber, P. and Osmanov, B. and Pavlovic, Z. and Perevalov, D. and Polly, C. C. and Ray, H. and Roe, B. P. and Russell, A. D. and Shaevitz, M. H. and Spitz, J. and Stancu, I. and Tayloe, R. and Van de Water, R. G. and White, D. H. and Wickremasinghe, D. A. and Zeller, G. P. and Zimmerman, E. D.},
abstractNote = {The MiniBooNE experiment at Fermilab reports results from an analysis of ν¯e appearance data from 11.27×10²⁰ protons on target in the antineutrino mode, an increase of approximately a factor of 2 over the previously reported results. An event excess of 78.4±28.5 events (2.8σ) is observed in the energy range 200QEν<1250 MeV. If interpreted in a two-neutrino oscillation model, ν¯μ→ν¯e, the best oscillation fit to the excess has a probability of 66% while the background-only fit has a χ² probability of 0.5% relative to the best fit. The data are consistent with antineutrino oscillations in the 0.01},
doi = {10.1103/PhysRevLett.110.161801},
journal = {Physical Review Letters},
number = 16,
volume = 110,
place = {United States},
year = {2013},
month = {4}
}