Search for active-sterile neutrino mixing using neutral-current interactions in NOvA
We report results from the first search for sterile neutrinos mixing with active neutrinos through a reduction in the rate of neutral-current interactions over a baseline of 810 km between the NOvA detectors. Analyzing a 14-kton detector equivalent exposure of 6.05×1020 protons-on-target in the NuMI...
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Veröffentlicht in: | Physical review. D 2017-10, Vol.96 (7), p.072006, Article 072006 |
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creator | Adamson, P. Aliaga, L. Ambrose, D. Anfimov, N. Antoshkin, A. Arrieta-Diaz, E. Augsten, K. Aurisano, A. Backhouse, C. Baird, M. Bambah, B. A. Bays, K. Behera, B. Bending, S. Bernstein, R. Bhatnagar, V. Bhuyan, B. Bian, J. Blackburn, T. Bolshakova, A. Bromberg, C. Brown, J. Brunetti, G. Buchanan, N. Butkevich, A. Bychkov, V. Campbell, M. Catano-Mur, E. Childress, S. Choudhary, B. C. Chowdhury, B. Coan, T. E. Coelho, J. A. B. Colo, M. Cooper, J. Corwin, L. Cremonesi, L. Cronin-Hennessy, D. Davies, G. S. Davies, J. P. Derwent, P. F. Dharmapalan, R. Ding, P. Djurcic, Z. Dukes, E. C. Duyang, H. Edayath, S. Ehrlich, R. Feldman, G. J. Frank, M. J. Gabrielyan, M. Gallagher, H. R. Germani, S. Ghosh, T. Giri, A. Gomes, R. A. Goodman, M. C. Grichine, V. Groh, M. Group, R. Grover, D. Guo, B. Habig, A. Hartnell, J. Hatcher, R. Hatzikoutelis, A. Heller, K. Himmel, A. Holin, A. Howard, B. Hylen, J. Jediny, F. Judah, M. Kafka, G. K. Kalra, D. Kasahara, S. M. S. Kasetti, S. Keloth, R. Kolupaeva, L. Kotelnikov, S. Kourbanis, I. Kreymer, A. Kumar, A. Kurbanov, S. Lackey, T. Lang, K. Lee, W. M. Lin, S. Lokajicek, M. Lozier, J. Luchuk, S. Maan, K. Magill, S. Mann, W. A. Marshak, M. L. Matera, K. Matveev, V. Méndez, D. P. Messier, M. D. Meyer, H. |
description | We report results from the first search for sterile neutrinos mixing with active neutrinos through a reduction in the rate of neutral-current interactions over a baseline of 810 km between the NOvA detectors. Analyzing a 14-kton detector equivalent exposure of 6.05×1020 protons-on-target in the NuMI beam at Fermilab, we observe 95 neutral-current candidates at the Far Detector compared with 83.5±9.7(stat)±9.4(syst) events predicted assuming mixing only occurs between active neutrino species. No evidence for νμ→νs transitions is found. Interpreting these results within a 3+1 model, we place constraints on the mixing angles θ24 |
doi_str_mv | 10.1103/PhysRevD.96.072006 |
format | Article |
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A. ; Bays, K. ; Behera, B. ; Bending, S. ; Bernstein, R. ; Bhatnagar, V. ; Bhuyan, B. ; Bian, J. ; Blackburn, T. ; Bolshakova, A. ; Bromberg, C. ; Brown, J. ; Brunetti, G. ; Buchanan, N. ; Butkevich, A. ; Bychkov, V. ; Campbell, M. ; Catano-Mur, E. ; Childress, S. ; Choudhary, B. C. ; Chowdhury, B. ; Coan, T. E. ; Coelho, J. A. B. ; Colo, M. ; Cooper, J. ; Corwin, L. ; Cremonesi, L. ; Cronin-Hennessy, D. ; Davies, G. S. ; Davies, J. P. ; Derwent, P. F. ; Dharmapalan, R. ; Ding, P. ; Djurcic, Z. ; Dukes, E. C. ; Duyang, H. ; Edayath, S. ; Ehrlich, R. ; Feldman, G. J. ; Frank, M. J. ; Gabrielyan, M. ; Gallagher, H. R. ; Germani, S. ; Ghosh, T. ; Giri, A. ; Gomes, R. A. ; Goodman, M. C. ; Grichine, V. ; Groh, M. ; Group, R. ; Grover, D. ; Guo, B. ; Habig, A. ; Hartnell, J. ; Hatcher, R. ; Hatzikoutelis, A. ; Heller, K. ; Himmel, A. ; Holin, A. ; Howard, B. ; Hylen, J. ; Jediny, F. ; Judah, M. ; Kafka, G. K. ; Kalra, D. ; Kasahara, S. M. S. ; Kasetti, S. ; Keloth, R. ; Kolupaeva, L. ; Kotelnikov, S. ; Kourbanis, I. ; Kreymer, A. ; Kumar, A. ; Kurbanov, S. ; Lackey, T. ; Lang, K. ; Lee, W. M. ; Lin, S. ; Lokajicek, M. ; Lozier, J. ; Luchuk, S. ; Maan, K. ; Magill, S. ; Mann, W. A. ; Marshak, M. L. ; Matera, K. ; Matveev, V. ; Méndez, D. P. ; Messier, M. D. ; Meyer, H.</creator><creatorcontrib>Adamson, P. ; Aliaga, L. ; Ambrose, D. ; Anfimov, N. ; Antoshkin, A. ; Arrieta-Diaz, E. ; Augsten, K. ; Aurisano, A. ; Backhouse, C. ; Baird, M. ; Bambah, B. A. ; Bays, K. ; Behera, B. ; Bending, S. ; Bernstein, R. ; Bhatnagar, V. ; Bhuyan, B. ; Bian, J. ; Blackburn, T. ; Bolshakova, A. ; Bromberg, C. ; Brown, J. ; Brunetti, G. ; Buchanan, N. ; Butkevich, A. ; Bychkov, V. ; Campbell, M. ; Catano-Mur, E. ; Childress, S. ; Choudhary, B. C. ; Chowdhury, B. ; Coan, T. E. ; Coelho, J. A. B. ; Colo, M. ; Cooper, J. ; Corwin, L. ; Cremonesi, L. ; Cronin-Hennessy, D. ; Davies, G. S. ; Davies, J. P. ; Derwent, P. F. ; Dharmapalan, R. ; Ding, P. ; Djurcic, Z. ; Dukes, E. C. ; Duyang, H. ; Edayath, S. ; Ehrlich, R. ; Feldman, G. J. ; Frank, M. J. ; Gabrielyan, M. ; Gallagher, H. R. ; Germani, S. ; Ghosh, T. ; Giri, A. ; Gomes, R. A. ; Goodman, M. C. ; Grichine, V. ; Groh, M. ; Group, R. ; Grover, D. ; Guo, B. ; Habig, A. ; Hartnell, J. ; Hatcher, R. ; Hatzikoutelis, A. ; Heller, K. ; Himmel, A. ; Holin, A. ; Howard, B. ; Hylen, J. ; Jediny, F. ; Judah, M. ; Kafka, G. K. ; Kalra, D. ; Kasahara, S. M. S. ; Kasetti, S. ; Keloth, R. ; Kolupaeva, L. ; Kotelnikov, S. ; Kourbanis, I. ; Kreymer, A. ; Kumar, A. ; Kurbanov, S. ; Lackey, T. ; Lang, K. ; Lee, W. M. ; Lin, S. ; Lokajicek, M. ; Lozier, J. ; Luchuk, S. ; Maan, K. ; Magill, S. ; Mann, W. A. ; Marshak, M. L. ; Matera, K. ; Matveev, V. ; Méndez, D. P. ; Messier, M. D. ; Meyer, H. ; The NOvA Collaboration ; Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)</creatorcontrib><description>We report results from the first search for sterile neutrinos mixing with active neutrinos through a reduction in the rate of neutral-current interactions over a baseline of 810 km between the NOvA detectors. Analyzing a 14-kton detector equivalent exposure of 6.05×1020 protons-on-target in the NuMI beam at Fermilab, we observe 95 neutral-current candidates at the Far Detector compared with 83.5±9.7(stat)±9.4(syst) events predicted assuming mixing only occurs between active neutrino species. No evidence for νμ→νs transitions is found. Interpreting these results within a 3+1 model, we place constraints on the mixing angles θ24<20.8° and θ34<31.2° at the 90% C.L. for 0.05 eV2≤Δm412≤0.5 eV2, the range of mass splittings that produce no significant oscillations over the Near Detector baseline.</description><identifier>ISSN: 2470-0010</identifier><identifier>EISSN: 2470-0029</identifier><identifier>DOI: 10.1103/PhysRevD.96.072006</identifier><language>eng</language><publisher>College Park: American Physical Society</publisher><subject>Constraint modelling ; Neutrinos ; PHYSICS OF ELEMENTARY PARTICLES AND FIELDS ; Sensors</subject><ispartof>Physical review. 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Analyzing a 14-kton detector equivalent exposure of 6.05×1020 protons-on-target in the NuMI beam at Fermilab, we observe 95 neutral-current candidates at the Far Detector compared with 83.5±9.7(stat)±9.4(syst) events predicted assuming mixing only occurs between active neutrino species. No evidence for νμ→νs transitions is found. Interpreting these results within a 3+1 model, we place constraints on the mixing angles θ24<20.8° and θ34<31.2° at the 90% C.L. for 0.05 eV2≤Δm412≤0.5 eV2, the range of mass splittings that produce no significant oscillations over the Near Detector baseline.</description><subject>Constraint modelling</subject><subject>Neutrinos</subject><subject>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</subject><subject>Sensors</subject><issn>2470-0010</issn><issn>2470-0029</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNo9kFtPAjEQhRujiUT5Az5t9Hlx2i4t-0jwmhAxyntTZmelBLrYdon8exdRX-Zy8s3J5DB2xWHAOcjb1-U-vtHublCqAWgBoE5YTxQacgBRnv7PHM5ZP8YVdKOCUnPeY_N3sgGXWd2EzGJyO8pjouDWlHlqU3C-yTbuy_mPrI2H-qPadY5tCORT5nyHHy4bH7sle5ntxpfsrLbrSP3ffsHmD_fzyVM-nT0-T8bTHAsuUi5HwBeqIq2tLZCEHqESiDDSAkGqTlSCSCNWBfBal4tK1KRsPSykrBTKC3Z9tG1iciaiS4RLbLwnTIYXw85Qd9DNEdqG5rOlmMyqaYPv3jKCC6k5aF12lDhSGJoYA9VmG9zGhr3hYA4hm7-QTanMMWT5DQcPcdA</recordid><startdate>20171030</startdate><enddate>20171030</enddate><creator>Adamson, P.</creator><creator>Aliaga, L.</creator><creator>Ambrose, D.</creator><creator>Anfimov, N.</creator><creator>Antoshkin, A.</creator><creator>Arrieta-Diaz, E.</creator><creator>Augsten, K.</creator><creator>Aurisano, A.</creator><creator>Backhouse, C.</creator><creator>Baird, M.</creator><creator>Bambah, B. 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D.</creator><creator>Meyer, H.</creator><general>American Physical Society</general><general>American Physical Society (APS)</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7U5</scope><scope>8FD</scope><scope>H8D</scope><scope>L7M</scope><scope>OIOZB</scope><scope>OTOTI</scope></search><sort><creationdate>20171030</creationdate><title>Search for active-sterile neutrino mixing using neutral-current interactions in NOvA</title><author>Adamson, P. ; Aliaga, L. ; Ambrose, D. ; Anfimov, N. ; Antoshkin, A. ; Arrieta-Diaz, E. ; Augsten, K. ; Aurisano, A. ; Backhouse, C. ; Baird, M. ; Bambah, B. A. ; Bays, K. ; Behera, B. ; Bending, S. ; Bernstein, R. ; Bhatnagar, V. ; Bhuyan, B. ; Bian, J. ; Blackburn, T. ; Bolshakova, A. ; Bromberg, C. ; Brown, J. ; Brunetti, G. ; Buchanan, N. ; Butkevich, A. ; Bychkov, V. ; Campbell, M. ; Catano-Mur, E. ; Childress, S. ; Choudhary, B. C. ; Chowdhury, B. ; Coan, T. E. ; Coelho, J. A. B. ; Colo, M. ; Cooper, J. ; Corwin, L. ; Cremonesi, L. ; Cronin-Hennessy, D. ; Davies, G. S. ; Davies, J. P. ; Derwent, P. F. ; Dharmapalan, R. ; Ding, P. ; Djurcic, Z. ; Dukes, E. C. ; Duyang, H. ; Edayath, S. ; Ehrlich, R. ; Feldman, G. J. ; Frank, M. J. ; Gabrielyan, M. ; Gallagher, H. R. ; Germani, S. ; Ghosh, T. ; Giri, A. ; Gomes, R. A. ; Goodman, M. C. ; Grichine, V. ; Groh, M. ; Group, R. ; Grover, D. ; Guo, B. ; Habig, A. ; Hartnell, J. ; Hatcher, R. ; Hatzikoutelis, A. ; Heller, K. ; Himmel, A. ; Holin, A. ; Howard, B. ; Hylen, J. ; Jediny, F. ; Judah, M. ; Kafka, G. K. ; Kalra, D. ; Kasahara, S. M. S. ; Kasetti, S. ; Keloth, R. ; Kolupaeva, L. ; Kotelnikov, S. ; Kourbanis, I. ; Kreymer, A. ; Kumar, A. ; Kurbanov, S. ; Lackey, T. ; Lang, K. ; Lee, W. M. ; Lin, S. ; Lokajicek, M. ; Lozier, J. ; Luchuk, S. ; Maan, K. ; Magill, S. ; Mann, W. A. ; Marshak, M. L. ; Matera, K. ; Matveev, V. ; Méndez, D. P. ; Messier, M. D. ; Meyer, H.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c412t-3801b6de77aa4ce278c62cc0872c036aa462ee7ccd401f79bd2fe6af5433d6c3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Constraint modelling</topic><topic>Neutrinos</topic><topic>PHYSICS OF ELEMENTARY PARTICLES AND FIELDS</topic><topic>Sensors</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Adamson, P.</creatorcontrib><creatorcontrib>Aliaga, L.</creatorcontrib><creatorcontrib>Ambrose, D.</creatorcontrib><creatorcontrib>Anfimov, N.</creatorcontrib><creatorcontrib>Antoshkin, A.</creatorcontrib><creatorcontrib>Arrieta-Diaz, E.</creatorcontrib><creatorcontrib>Augsten, K.</creatorcontrib><creatorcontrib>Aurisano, A.</creatorcontrib><creatorcontrib>Backhouse, C.</creatorcontrib><creatorcontrib>Baird, M.</creatorcontrib><creatorcontrib>Bambah, B. A.</creatorcontrib><creatorcontrib>Bays, K.</creatorcontrib><creatorcontrib>Behera, B.</creatorcontrib><creatorcontrib>Bending, S.</creatorcontrib><creatorcontrib>Bernstein, R.</creatorcontrib><creatorcontrib>Bhatnagar, V.</creatorcontrib><creatorcontrib>Bhuyan, B.</creatorcontrib><creatorcontrib>Bian, J.</creatorcontrib><creatorcontrib>Blackburn, T.</creatorcontrib><creatorcontrib>Bolshakova, A.</creatorcontrib><creatorcontrib>Bromberg, C.</creatorcontrib><creatorcontrib>Brown, J.</creatorcontrib><creatorcontrib>Brunetti, G.</creatorcontrib><creatorcontrib>Buchanan, N.</creatorcontrib><creatorcontrib>Butkevich, A.</creatorcontrib><creatorcontrib>Bychkov, V.</creatorcontrib><creatorcontrib>Campbell, M.</creatorcontrib><creatorcontrib>Catano-Mur, E.</creatorcontrib><creatorcontrib>Childress, S.</creatorcontrib><creatorcontrib>Choudhary, B. C.</creatorcontrib><creatorcontrib>Chowdhury, B.</creatorcontrib><creatorcontrib>Coan, T. E.</creatorcontrib><creatorcontrib>Coelho, J. A. B.</creatorcontrib><creatorcontrib>Colo, M.</creatorcontrib><creatorcontrib>Cooper, J.</creatorcontrib><creatorcontrib>Corwin, L.</creatorcontrib><creatorcontrib>Cremonesi, L.</creatorcontrib><creatorcontrib>Cronin-Hennessy, D.</creatorcontrib><creatorcontrib>Davies, G. S.</creatorcontrib><creatorcontrib>Davies, J. P.</creatorcontrib><creatorcontrib>Derwent, P. F.</creatorcontrib><creatorcontrib>Dharmapalan, R.</creatorcontrib><creatorcontrib>Ding, P.</creatorcontrib><creatorcontrib>Djurcic, Z.</creatorcontrib><creatorcontrib>Dukes, E. C.</creatorcontrib><creatorcontrib>Duyang, H.</creatorcontrib><creatorcontrib>Edayath, S.</creatorcontrib><creatorcontrib>Ehrlich, R.</creatorcontrib><creatorcontrib>Feldman, G. J.</creatorcontrib><creatorcontrib>Frank, M. J.</creatorcontrib><creatorcontrib>Gabrielyan, M.</creatorcontrib><creatorcontrib>Gallagher, H. R.</creatorcontrib><creatorcontrib>Germani, S.</creatorcontrib><creatorcontrib>Ghosh, T.</creatorcontrib><creatorcontrib>Giri, A.</creatorcontrib><creatorcontrib>Gomes, R. A.</creatorcontrib><creatorcontrib>Goodman, M. C.</creatorcontrib><creatorcontrib>Grichine, V.</creatorcontrib><creatorcontrib>Groh, M.</creatorcontrib><creatorcontrib>Group, R.</creatorcontrib><creatorcontrib>Grover, D.</creatorcontrib><creatorcontrib>Guo, B.</creatorcontrib><creatorcontrib>Habig, A.</creatorcontrib><creatorcontrib>Hartnell, J.</creatorcontrib><creatorcontrib>Hatcher, R.</creatorcontrib><creatorcontrib>Hatzikoutelis, A.</creatorcontrib><creatorcontrib>Heller, K.</creatorcontrib><creatorcontrib>Himmel, A.</creatorcontrib><creatorcontrib>Holin, A.</creatorcontrib><creatorcontrib>Howard, B.</creatorcontrib><creatorcontrib>Hylen, J.</creatorcontrib><creatorcontrib>Jediny, F.</creatorcontrib><creatorcontrib>Judah, M.</creatorcontrib><creatorcontrib>Kafka, G. K.</creatorcontrib><creatorcontrib>Kalra, D.</creatorcontrib><creatorcontrib>Kasahara, S. M. S.</creatorcontrib><creatorcontrib>Kasetti, S.</creatorcontrib><creatorcontrib>Keloth, R.</creatorcontrib><creatorcontrib>Kolupaeva, L.</creatorcontrib><creatorcontrib>Kotelnikov, S.</creatorcontrib><creatorcontrib>Kourbanis, I.</creatorcontrib><creatorcontrib>Kreymer, A.</creatorcontrib><creatorcontrib>Kumar, A.</creatorcontrib><creatorcontrib>Kurbanov, S.</creatorcontrib><creatorcontrib>Lackey, T.</creatorcontrib><creatorcontrib>Lang, K.</creatorcontrib><creatorcontrib>Lee, W. M.</creatorcontrib><creatorcontrib>Lin, S.</creatorcontrib><creatorcontrib>Lokajicek, M.</creatorcontrib><creatorcontrib>Lozier, J.</creatorcontrib><creatorcontrib>Luchuk, S.</creatorcontrib><creatorcontrib>Maan, K.</creatorcontrib><creatorcontrib>Magill, S.</creatorcontrib><creatorcontrib>Mann, W. A.</creatorcontrib><creatorcontrib>Marshak, M. L.</creatorcontrib><creatorcontrib>Matera, K.</creatorcontrib><creatorcontrib>Matveev, V.</creatorcontrib><creatorcontrib>Méndez, D. P.</creatorcontrib><creatorcontrib>Messier, M. D.</creatorcontrib><creatorcontrib>Meyer, H.</creatorcontrib><creatorcontrib>The NOvA Collaboration</creatorcontrib><creatorcontrib>Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)</creatorcontrib><collection>CrossRef</collection><collection>Solid State and Superconductivity Abstracts</collection><collection>Technology Research Database</collection><collection>Aerospace Database</collection><collection>Advanced Technologies Database with Aerospace</collection><collection>OSTI.GOV - Hybrid</collection><collection>OSTI.GOV</collection><jtitle>Physical review. D</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Adamson, P.</au><au>Aliaga, L.</au><au>Ambrose, D.</au><au>Anfimov, N.</au><au>Antoshkin, A.</au><au>Arrieta-Diaz, E.</au><au>Augsten, K.</au><au>Aurisano, A.</au><au>Backhouse, C.</au><au>Baird, M.</au><au>Bambah, B. A.</au><au>Bays, K.</au><au>Behera, B.</au><au>Bending, S.</au><au>Bernstein, R.</au><au>Bhatnagar, V.</au><au>Bhuyan, B.</au><au>Bian, J.</au><au>Blackburn, T.</au><au>Bolshakova, A.</au><au>Bromberg, C.</au><au>Brown, J.</au><au>Brunetti, G.</au><au>Buchanan, N.</au><au>Butkevich, A.</au><au>Bychkov, V.</au><au>Campbell, M.</au><au>Catano-Mur, E.</au><au>Childress, S.</au><au>Choudhary, B. C.</au><au>Chowdhury, B.</au><au>Coan, T. E.</au><au>Coelho, J. A. B.</au><au>Colo, M.</au><au>Cooper, J.</au><au>Corwin, L.</au><au>Cremonesi, L.</au><au>Cronin-Hennessy, D.</au><au>Davies, G. S.</au><au>Davies, J. P.</au><au>Derwent, P. F.</au><au>Dharmapalan, R.</au><au>Ding, P.</au><au>Djurcic, Z.</au><au>Dukes, E. C.</au><au>Duyang, H.</au><au>Edayath, S.</au><au>Ehrlich, R.</au><au>Feldman, G. J.</au><au>Frank, M. J.</au><au>Gabrielyan, M.</au><au>Gallagher, H. R.</au><au>Germani, S.</au><au>Ghosh, T.</au><au>Giri, A.</au><au>Gomes, R. A.</au><au>Goodman, M. C.</au><au>Grichine, V.</au><au>Groh, M.</au><au>Group, R.</au><au>Grover, D.</au><au>Guo, B.</au><au>Habig, A.</au><au>Hartnell, J.</au><au>Hatcher, R.</au><au>Hatzikoutelis, A.</au><au>Heller, K.</au><au>Himmel, A.</au><au>Holin, A.</au><au>Howard, B.</au><au>Hylen, J.</au><au>Jediny, F.</au><au>Judah, M.</au><au>Kafka, G. K.</au><au>Kalra, D.</au><au>Kasahara, S. M. S.</au><au>Kasetti, S.</au><au>Keloth, R.</au><au>Kolupaeva, L.</au><au>Kotelnikov, S.</au><au>Kourbanis, I.</au><au>Kreymer, A.</au><au>Kumar, A.</au><au>Kurbanov, S.</au><au>Lackey, T.</au><au>Lang, K.</au><au>Lee, W. M.</au><au>Lin, S.</au><au>Lokajicek, M.</au><au>Lozier, J.</au><au>Luchuk, S.</au><au>Maan, K.</au><au>Magill, S.</au><au>Mann, W. A.</au><au>Marshak, M. L.</au><au>Matera, K.</au><au>Matveev, V.</au><au>Méndez, D. P.</au><au>Messier, M. D.</au><au>Meyer, H.</au><aucorp>The NOvA Collaboration</aucorp><aucorp>Fermi National Accelerator Lab. (FNAL), Batavia, IL (United States)</aucorp><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Search for active-sterile neutrino mixing using neutral-current interactions in NOvA</atitle><jtitle>Physical review. D</jtitle><date>2017-10-30</date><risdate>2017</risdate><volume>96</volume><issue>7</issue><spage>072006</spage><pages>072006-</pages><artnum>072006</artnum><issn>2470-0010</issn><eissn>2470-0029</eissn><abstract>We report results from the first search for sterile neutrinos mixing with active neutrinos through a reduction in the rate of neutral-current interactions over a baseline of 810 km between the NOvA detectors. Analyzing a 14-kton detector equivalent exposure of 6.05×1020 protons-on-target in the NuMI beam at Fermilab, we observe 95 neutral-current candidates at the Far Detector compared with 83.5±9.7(stat)±9.4(syst) events predicted assuming mixing only occurs between active neutrino species. No evidence for νμ→νs transitions is found. Interpreting these results within a 3+1 model, we place constraints on the mixing angles θ24<20.8° and θ34<31.2° at the 90% C.L. for 0.05 eV2≤Δm412≤0.5 eV2, the range of mass splittings that produce no significant oscillations over the Near Detector baseline.</abstract><cop>College Park</cop><pub>American Physical Society</pub><doi>10.1103/PhysRevD.96.072006</doi><oa>free_for_read</oa></addata></record> |
fulltext | fulltext |
identifier | ISSN: 2470-0010 |
ispartof | Physical review. D, 2017-10, Vol.96 (7), p.072006, Article 072006 |
issn | 2470-0010 2470-0029 |
language | eng |
recordid | cdi_osti_scitechconnect_1452787 |
source | American Physical Society Journals |
subjects | Constraint modelling Neutrinos PHYSICS OF ELEMENTARY PARTICLES AND FIELDS Sensors |
title | Search for active-sterile neutrino mixing using neutral-current interactions in NOvA |
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