Improved Constraints on Sterile Neutrino Mixing from Disappearance Searches in the MINOS, MINOS+, Daya Bay, and Bugey-3 Experiments

Daya Bay Collaboration

doi:10.1103/PhysRevLett.125.071801

Improved Constraints on Sterile Neutrino Mixing from Disappearance Searches in the MINOS, MINOS+, Daya Bay, and Bugey-3 Experiments

Daya Bay Collaboration

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63 Scopus citations

Abstract

Searches for electron antineutrino, muon neutrino, and muon antineutrino disappearance driven by sterile neutrino mixing have been carried out by the Daya Bay and MINOS+ collaborations. This Letter presents the combined results of these searches, along with exclusion results from the Bugey-3 reactor experiment, framed in a minimally extended four-neutrino scenario. Significantly improved constraints on the θμe mixing angle are derived that constitute the most constraining limits to date over five orders of magnitude in the mass-squared splitting Δm412, excluding the 90% C.L. sterile-neutrino parameter space allowed by the LSND and MiniBooNE observations at 90% CLs for Δm412<13 eV2. Furthermore, the LSND and MiniBooNE 99% C.L. allowed regions are excluded at 99% CLs for Δm412<1.6 eV2.

Original language	English
Article number	071801
Journal	Physical Review Letters
Volume	125
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.125.071801
State	Published - Aug 14 2020
Externally published	Yes

Funding

The Daya Bay experiment is supported in part by the Ministry of Science and Technology of China, the U.S. Department of Energy, the Chinese Academy of Sciences, the CAS Center for Excellence in Particle Physics, the National Natural Science Foundation of China, the Guangdong provincial government, the Shenzhen municipal government, the China General Nuclear Power Group, the Research Grants Council of the Hong Kong Special Administrative Region of China, the Ministry of Education in Taiwan, the U.S. National Science Foundation, the Ministry of Education, Youth and Sports of the Czech Republic, the Joint Institute of Nuclear Research in Dubna, Russia, and the National Research and Development Agency of Chile. We acknowledge Yellow River Engineering Consulting Co., Ltd. and China Railway 15th Bureau Group Co., Ltd. for building the underground laboratory. We are grateful for the ongoing cooperation from the China Guangdong Nuclear Power Group and China Light & Power Company. The MINOS and Collaborations use the resources of the Fermi National Accelerator Laboratory (Fermilab), a U.S. Department of Energy, Office of Science, HEP User Facility. Fermilab is managed by Fermi Research Alliance, LLC (FRA), acting under Contract No. DE-AC02-07CH11359. This work was supported by the U.S. DOE; the United Kingdom STFC, part of UKRI; the U.S. NSF; the State and University of Minnesota; and Brazil’s FAPESP, CNPq and CAPES. We thank the personnel of Fermilab’s Accelerator and Scientific Computing Divisions and the crew of the Soudan Underground Laboratory for their effort and dedication. We thank the Texas Advanced Computing Center at The University of Texas at Austin for the provision of computing resources. The MINOS and Collaborations acknowledge fruitful cooperation with the Minnesota DNR.

Funders	Funder number
China General Nuclear Power Group
Fermi Research Alliance, LLC	DE-AC02-07CH11359
Joint Institute of Nuclear Research in Dubna
Ministry of Education in Taiwan
National Research and Development Agency
Research Grants Council of the Hong Kong Special Administrative Region of China
Shenzhen municipal government
National Science Foundation
U.S. Department of Energy
University of Minnesota
UK Research and Innovation
Science and Technology Facilities Council
National Natural Science Foundation of China
Ministerstvo Školství, Mládeže a Tělovýchovy
Coordenação de Aperfeiçoamento de Pessoal de Nível Superior
Chinese Academy of Sciences
Ministry of Science and Technology of the People's Republic of China
Government of Guangdong Province
Conselho Nacional de Desenvolvimento Científico e Tecnológico
CAS Center for Excellence in Particle Physics

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10.1103/PhysRevLett.125.071801

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title = "Improved Constraints on Sterile Neutrino Mixing from Disappearance Searches in the MINOS, MINOS+, Daya Bay, and Bugey-3 Experiments",

abstract = "Searches for electron antineutrino, muon neutrino, and muon antineutrino disappearance driven by sterile neutrino mixing have been carried out by the Daya Bay and MINOS+ collaborations. This Letter presents the combined results of these searches, along with exclusion results from the Bugey-3 reactor experiment, framed in a minimally extended four-neutrino scenario. Significantly improved constraints on the θμe mixing angle are derived that constitute the most constraining limits to date over five orders of magnitude in the mass-squared splitting Δm412, excluding the 90% C.L. sterile-neutrino parameter space allowed by the LSND and MiniBooNE observations at 90% CLs for Δm412<13 eV2. Furthermore, the LSND and MiniBooNE 99% C.L. allowed regions are excluded at 99% CLs for Δm412<1.6 eV2.",

author = "{Daya Bay Collaboration} and P. Adamson and An, {F. P.} and I. Anghel and A. Aurisano and Balantekin, {A. B.} and Band, {H. R.} and G. Barr and M. Bishai and A. Blake and S. Blyth and Cao, {G. F.} and J. Cao and Cao, {S. V.} and Carroll, {T. J.} and Castromonte, {C. M.} and Chang, {J. F.} and Y. Chang and Chen, {H. S.} and R. Chen and Chen, {S. M.} and Y. Chen and Chen, {Y. X.} and J. Cheng and Cheng, {Z. K.} and Cherwinka, {J. J.} and S. Childress and Chu, {M. C.} and A. Chukanov and Coelho, {J. A.B.} and Cummings, {J. P.} and N. Dash and {De Rijck}, S. and Deng, {F. S.} and Ding, {Y. Y.} and Diwan, {M. V.} and T. Dohnal and D. Dolzhikov and J. Dove and M. Dvo{\v r}{\'a}k and Dwyer, {D. A.} and Evans, {J. J.} and Feldman, {G. J.} and W. Flanagan and M. Gabrielyan and Gallo, {J. P.} and S. Germani and Gomes, {R. A.} and M. Gonchar and Gong, {G. H.} and Tognini, {S. C.}",

note = "Publisher Copyright: {\textcopyright} 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the {"}https://creativecommons.org/licenses/by/4.0/{"}Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.",

year = "2020",

month = aug,

day = "14",

doi = "10.1103/PhysRevLett.125.071801",

language = "English",

volume = "125",

journal = "Physical Review Letters",

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number = "7",

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T1 - Improved Constraints on Sterile Neutrino Mixing from Disappearance Searches in the MINOS, MINOS+, Daya Bay, and Bugey-3 Experiments

AU - Daya Bay Collaboration

AU - Adamson, P.

AU - An, F. P.

AU - Anghel, I.

AU - Aurisano, A.

AU - Balantekin, A. B.

AU - Band, H. R.

AU - Barr, G.

AU - Bishai, M.

AU - Blake, A.

AU - Blyth, S.

AU - Cao, G. F.

AU - Cao, J.

AU - Cao, S. V.

AU - Carroll, T. J.

AU - Castromonte, C. M.

AU - Chang, J. F.

AU - Chang, Y.

AU - Chen, H. S.

AU - Chen, R.

AU - Chen, S. M.

AU - Chen, Y.

AU - Chen, Y. X.

AU - Cheng, J.

AU - Cheng, Z. K.

AU - Cherwinka, J. J.

AU - Childress, S.

AU - Chu, M. C.

AU - Chukanov, A.

AU - Coelho, J. A.B.

AU - Cummings, J. P.

AU - Dash, N.

AU - De Rijck, S.

AU - Deng, F. S.

AU - Ding, Y. Y.

AU - Diwan, M. V.

AU - Dohnal, T.

AU - Dolzhikov, D.

AU - Dove, J.

AU - Dvořák, M.

AU - Dwyer, D. A.

AU - Evans, J. J.

AU - Feldman, G. J.

AU - Flanagan, W.

AU - Gabrielyan, M.

AU - Gallo, J. P.

AU - Germani, S.

AU - Gomes, R. A.

AU - Gonchar, M.

AU - Gong, G. H.

AU - Tognini, S. C.

N1 - Publisher Copyright: © 2020 authors. Published by the American Physical Society. Published by the American Physical Society under the terms of the "https://creativecommons.org/licenses/by/4.0/"Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article's title, journal citation, and DOI. Funded by SCOAP3.

PY - 2020/8/14

Y1 - 2020/8/14

N2 - Searches for electron antineutrino, muon neutrino, and muon antineutrino disappearance driven by sterile neutrino mixing have been carried out by the Daya Bay and MINOS+ collaborations. This Letter presents the combined results of these searches, along with exclusion results from the Bugey-3 reactor experiment, framed in a minimally extended four-neutrino scenario. Significantly improved constraints on the θμe mixing angle are derived that constitute the most constraining limits to date over five orders of magnitude in the mass-squared splitting Δm412, excluding the 90% C.L. sterile-neutrino parameter space allowed by the LSND and MiniBooNE observations at 90% CLs for Δm412<13 eV2. Furthermore, the LSND and MiniBooNE 99% C.L. allowed regions are excluded at 99% CLs for Δm412<1.6 eV2.

AB - Searches for electron antineutrino, muon neutrino, and muon antineutrino disappearance driven by sterile neutrino mixing have been carried out by the Daya Bay and MINOS+ collaborations. This Letter presents the combined results of these searches, along with exclusion results from the Bugey-3 reactor experiment, framed in a minimally extended four-neutrino scenario. Significantly improved constraints on the θμe mixing angle are derived that constitute the most constraining limits to date over five orders of magnitude in the mass-squared splitting Δm412, excluding the 90% C.L. sterile-neutrino parameter space allowed by the LSND and MiniBooNE observations at 90% CLs for Δm412<13 eV2. Furthermore, the LSND and MiniBooNE 99% C.L. allowed regions are excluded at 99% CLs for Δm412<1.6 eV2.

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Improved Constraints on Sterile Neutrino Mixing from Disappearance Searches in the MINOS, MINOS+, Daya Bay, and Bugey-3 Experiments

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