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  1. Article ; Online: Search for Active-Sterile Antineutrino Mixing Using Neutral-Current Interactions with the NOvA Experiment.

    Acero, M A / Adamson, P / Aliaga, L / Anfimov, N / Antoshkin, A / Arrieta-Diaz, E / Asquith, L / Aurisano, A / Back, A / Backhouse, C / Baird, M / Balashov, N / Baldi, P / Bambah, B A / Bashar, S / Bays, K / Bernstein, R / Bhatnagar, V / Bhuyan, B /
    Bian, J / Blair, J / Booth, A C / Bowles, R / Bromberg, C / Buchanan, N / Butkevich, A / Calvez, S / Carroll, T J / Catano-Mur, E / Choudhary, B C / Christensen, A / Coan, T E / Colo, M / Cremonesi, L / Davies, G S / Derwent, P F / Ding, P / Djurcic, Z / Dolce, M / Doyle, D / Dueñas Tonguino, D / Dukes, E C / Duyang, H / Edayath, S / Ehrlich, R / Elkins, M / Ewart, E / Feldman, G J / Filip, P / Franc, J / Frank, M J / Gallagher, H R / Gandrajula, R / Gao, F / Giri, A / Gomes, R A / Goodman, M C / Grichine, V / Groh, M / Group, R / Guo, B / Habig, A / Hakl, F / Hall, A / Hartnell, J / Hatcher, R / Hausner, H / Heller, K / Hewes, J / Himmel, A / Holin, A / Huang, J / Jargowsky, B / Jarosz, J / Jediny, F / Johnson, C / Judah, M / Kakorin, I / Kalra, D / Kalitkina, A / Kaplan, D M / Keloth, R / Klimov, O / Koerner, L W / Kolupaeva, L / Kotelnikov, S / Kralik, R / Kullenberg, Ch / Kubu, M / Kumar, A / Kuruppu, C D / Kus, V / Lackey, T / Lasorak, P / Lang, K / Lesmeister, J / Lin, S / Lister, A / Liu, J / Lokajicek, M / Magill, S / Manrique Plata, M / Mann, W A / Marshak, M L / Martinez-Casales, M / Matveev, V / Mayes, B / Méndez, D P / Messier, M D / Meyer, H / Miao, T / Miller, W H / Mishra, S R / Mislivec, A / Mohanta, R / Moren, A / Morozova, A / Mu, W / Mualem, L / Muether, M / Mulder, K / Naples, D / Nayak, N / Nelson, J K / Nichol, R / Niner, E / Norman, A / Norrick, A / Nosek, T / Oh, H / Olshevskiy, A / Olson, T / Ott, J / Paley, J / Patterson, R B / Pawloski, G / Petrova, O / Petti, R / Phan, D D / Plunkett, R K / Porter, J C C / Rafique, A / Raj, V / Rajaoalisoa, M / Ramson, B / Rebel, B / Rojas, P / Ryabov, V / Samoylov, O / Sanchez, M C / Sánchez Falero, S / Shanahan, P / Sheshukov, A / Singh, P / Singh, V / Smith, E / Smolik, J / Snopok, P / Solomey, N / Sousa, A / Soustruznik, K / Strait, M / Suter, L / Sutton, A / Swain, S / Sweeney, C / Tapia Oregui, B / Tas, P / Thakore, T / Thayyullathil, R B / Thomas, J / Tiras, E / Tripathi, J / Trokan-Tenorio, J / Tsaris, A / Torun, Y / Urheim, J / Vahle, P / Vallari, Z / Vasel, J / Vokac, P / Vrba, T / Wallbank, M / Warburton, T K / Wetstein, M / Whittington, D / Wickremasinghe, D A / Wojcicki, S G / Wolcott, J / Wu, W / Xiao, Y / Yallappa Dombara, A / Yonehara, K / Yu, S / Yu, Y / Zadorozhnyy, S / Zalesak, J / Zhang, Y / Zwaska, R

    Physical review letters

    2021  Volume 127, Issue 20, Page(s) 201801

    Abstract: This Letter reports results from the first long-baseline search for sterile antineutrinos mixing in an accelerator-based antineutrino-dominated beam. The rate of neutral-current interactions in the two NOvA detectors, at distances of 1 and 810 km from ... ...

    Abstract This Letter reports results from the first long-baseline search for sterile antineutrinos mixing in an accelerator-based antineutrino-dominated beam. The rate of neutral-current interactions in the two NOvA detectors, at distances of 1 and 810 km from the beam source, is analyzed using an exposure of 12.51×10^{20} protons-on-target from the NuMI beam at Fermilab running in antineutrino mode. A total of 121 of neutral-current candidates are observed at the far detector, compared to a prediction of 122±11(stat.)±15(syst.) assuming mixing only between three active flavors. No evidence for ν[over ¯]_{μ}→ν[over ¯]_{s} oscillation is observed. Interpreting this result within a 3+1 model, constraints are placed on the mixing angles θ_{24}<25° and θ_{34}<32° at the 90% C.L. for 0.05  eV^{2}≤Δm_{41}^{2}≤0.5  eV^{2}, the range of mass splittings that produces no significant oscillations at the near detector. These are the first 3+1 confidence limits set using long-baseline accelerator antineutrinos.
    Language English
    Publishing date 2021-12-01
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.127.201801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  2. Article ; Online: First measurement of neutrino oscillation parameters using neutrinos and antineutrinos by NOvA.

    Acero, M A / Adamson, P / Aliaga, L / Alion, T / Allakhverdian, V / Altakarli, S / Anfimov, N / Antoshkin, A / Aurisano, A / Back, A / Backhouse, C / Baird, M / Balashov, N / Baldi, P / Bambah, B A / Bashar, S / Bays, K / Bending, S / Bernstein, R /
    Bhatnagar, V / Bhuyan, B / Bian, J / Blackburn, T / Blair, J / Booth, A C / Bour, P / Bromberg, C / Buchanan, N / Butkevich, A / Calvez, S / Campbell, M / Carroll, T J / Catano-Mur, E / Cedeno, A / Childress, S / Choudhary, B C / Chowdhury, B / Coan, T E / Colo, M / Cooper, J / Corwin, L / Cremonesi, L / Davies, G S / Derwent, P F / Ding, P / Djurcic, Z / Doyle, D / Dukes, E C / Duyang, H / Edayath, S / Ehrlich, R / Elkins, M / Feldman, G J / Filip, P / Flanagan, W / Frank, M J / Gallagher, H R / Gandrajula, R / Gao, F / Germani, S / Giri, A / Gomes, R A / Goodman, M C / Grichine, V / Groh, M / Group, R / Guo, B / Habig, A / Hakl, F / Hartnell, J / Hatcher, R / Hatzikoutelis, A / Heller, K / Hewes, J / Himmel, A / Holin, A / Howard, B / Huang, J / Hylen, J / Jediny, F / Johnson, C / Judah, M / Kakorin, I / Kalra, D / Kaplan, D M / Keloth, R / Klimov, O / Koerner, L W / Kolupaeva, L / Kotelnikov, S / Kourbanis, I / Kreymer, A / Kulenberg, Ch / Kumar, A / Kuruppu, C D / Kus, V / Lackey, T / Lang, K / Lin, S / Lokajicek, M / Lozier, J / Luchuk, S / Maan, K / Magill, S / Mann, W A / Marshak, M L / Martinez-Casales, M / Matveev, V / Méndez, D P / Messier, M D / Meyer, H / Miao, T / Miller, W H / Mishra, S R / Mislivec, A / Mohanta, R / Moren, A / Mualem, L / Muether, M / Mufson, S / Mulder, K / Murphy, R / Musser, J / Naples, D / Nayak, N / Nelson, J K / Nichol, R / Nikseresht, G / Niner, E / Norman, A / Nosek, T / Olshevskiy, A / Olson, T / Paley, J / Patterson, R B / Pawloski, G / Pershey, D / Petrova, O / Petti, R / Phan, D D / Plunkett, R K / Potukuchi, B / Principato, C / Psihas, F / Radovic, A / Raj, V / Rameika, R A / Rebel, B / Rojas, P / Ryabov, V / Samoylov, O / Sanchez, M C / Sánchez Falero, S / Seong, I S / Shanahan, P / Sheshukov, A / Singh, P / Singh, V / Smith, E / Smolik, J / Snopok, P / Solomey, N / Song, E / Sousa, A / Soustruznik, K / Strait, M / Suter, L / Sutton, A / Talaga, R L / Tapia Oregui, B / Tas, P / Thayyullathil, R B / Thomas, J / Tiras, E / Torbunov, D / Tripathi, J / Tsaris, A / Torun, Y / Urheim, J / Vahle, P / Vasel, J / Vinton, L / Vokac, P / Vrba, T / Wallbank, M / Wang, B / Warburton, T K / Wetstein, M / While, M / Whittington, D / Wojcicki, S G / Wolcott, J / Yadav, N / Yallappa Dombara, A / Yonehara, K / Yu, S / Zadorozhnyy, S / Zalesak, J / Zamorano, B / Zwaska, R

    Physical review letters

    2019  Volume 123, Issue 15, Page(s) 151803

    Abstract: The NOvA experiment has seen a 4.4σ signal of ν[over ¯]_{e} appearance in a 2 GeV ν[over ¯]_{μ} beam at a distance of 810 km. Using 12.33×10^{20} protons on target delivered to the Fermilab NuMI neutrino beamline, the experiment recorded 27 ν[over ¯]_{μ}→ ...

    Abstract The NOvA experiment has seen a 4.4σ signal of ν[over ¯]_{e} appearance in a 2 GeV ν[over ¯]_{μ} beam at a distance of 810 km. Using 12.33×10^{20} protons on target delivered to the Fermilab NuMI neutrino beamline, the experiment recorded 27 ν[over ¯]_{μ}→ν[over ¯]_{e} candidates with a background of 10.3 and 102 ν[over ¯]_{μ}→ν[over ¯]_{μ} candidates. This new antineutrino data are combined with neutrino data to measure the parameters |Δm_{32}^{2}|=2.48_{-0.06}^{+0.11}×10^{-3}  eV^{2}/c^{4} and sin^{2}θ_{23} in the ranges from (0.53-0.60) and (0.45-0.48) in the normal neutrino mass hierarchy. The data exclude most values near δ_{CP}=π/2 for the inverted mass hierarchy by more than 3σ and favor the normal neutrino mass hierarchy by 1.9σ and θ_{23} values in the upper octant by 1.6σ.
    Language English
    Publishing date 2019-11-07
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.123.151803
    Database MEDical Literature Analysis and Retrieval System OnLINE

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  3. Article ; Online: Constraints on Oscillation Parameters from ν_{e} Appearance and ν_{μ} Disappearance in NOvA.

    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 / Group, R / Grover, D / Guo, B / Habig, A / Hartnell, J / Hatcher, R / Hatzikoutelis, A / Heller, K / Himmel, A / Holin, A / 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 / Lang, K / Lee, W M / Lin, S / Liu, J / 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 / Miao, T / Miller, W H / Mishra, S R / Mohanta, R / Moren, A / Mualem, L / Muether, M / Mufson, S / Murphy, R / Musser, J / Nelson, J K / Nichol, R / Niner, E / Norman, A / Nosek, T / Oksuzian, Y / Olshevskiy, A / Olson, T / Paley, J / Pandey, P / Patterson, R B / Pawloski, G / Pershey, D / Petrova, O / Petti, R / Phan-Budd, S / Plunkett, R K / Poling, R / Potukuchi, B / Principato, C / Psihas, F / Radovic, A / Rameika, R A / Rebel, B / Reed, B / Rocco, D / Rojas, P / Ryabov, V / Sachdev, K / Sail, P / Samoylov, O / Sanchez, M C / Schroeter, R / Sepulveda-Quiroz, J / Shanahan, P / Sheshukov, A / Singh, J / Singh, P / Singh, V / Smolik, J / Solomey, N / Song, E / Sousa, A / Soustruznik, K / Strait, M / Suter, L / Talaga, R L / Tamsett, M C / Tas, P / Thayyullathil, R B / Thomas, J / Tian, X / Tognini, S C / Tripathi, J / Tsaris, A / Urheim, J / Vahle, P / Vasel, J / Vinton, L / Vold, A / Vrba, T / Wang, B / Wetstein, M / Whittington, D / Wojcicki, S G / Wolcott, J / Yadav, N / Yang, S / Zalesak, J / Zamorano, B / Zwaska, R

    Physical review letters

    2017  Volume 118, Issue 23, Page(s) 231801

    Abstract: Results are reported from an improved measurement of ν_{μ}→ν_{e} transitions by the NOvA experiment. Using an exposure equivalent to 6.05×10^{20} protons on target, 33 ν_{e} candidates are observed with a background of 8.2±0.8 (syst.). Combined with the ... ...

    Abstract Results are reported from an improved measurement of ν_{μ}→ν_{e} transitions by the NOvA experiment. Using an exposure equivalent to 6.05×10^{20} protons on target, 33 ν_{e} candidates are observed with a background of 8.2±0.8 (syst.). Combined with the latest NOvA ν_{μ} disappearance data and external constraints from reactor experiments on sin^{2}2θ_{13}, the hypothesis of inverted mass hierarchy with θ_{23} in the lower octant is disfavored at greater than 93% C.L. for all values of δ_{CP}.
    Language English
    Publishing date 2017-06-09
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.118.231801
    Database MEDical Literature Analysis and Retrieval System OnLINE

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    Your chosen title can be delivered directly to ZB MED Cologne location if you are registered as a user at ZB MED Cologne.

  4. Article ; Online: Measurement of the Neutrino Mixing Angle θ_{23} in NOvA.

    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 / Desai, S / 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 / Group, R / Grover, D / Guo, B / Habig, A / Hartnell, J / Hatcher, R / Hatzikoutelis, A / Heller, K / Himmel, A / Holin, A / 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 / Lang, K / Lee, W M / Lin, S / Liu, J / 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 / Miao, T / Miller, W H / Mishra, S R / Mohanta, R / Moren, A / Mualem, L / Muether, M / Mufson, S / Murphy, R / Musser, J / Nelson, J K / Nichol, R / Niner, E / Norman, A / Nosek, T / Oksuzian, Y / Olshevskiy, A / Olson, T / Paley, J / Pandey, P / Patterson, R B / Pawloski, G / Pershey, D / Petrova, O / Petti, R / Phan-Budd, S / Plunkett, R K / Poling, R / Potukuchi, B / Principato, C / Psihas, F / Radovic, A / Rameika, R A / Rebel, B / Reed, B / Rocco, D / Rojas, P / Ryabov, V / Sachdev, K / Sail, P / Samoylov, O / Sanchez, M C / Schroeter, R / Sepulveda-Quiroz, J / Shanahan, P / Sheshukov, A / Singh, J / Singh, P / Singh, V / Smolik, J / Solomey, N / Song, E / Sousa, A / Soustruznik, K / Strait, M / Suter, L / Talaga, R L / Tamsett, M C / Tas, P / Thayyullathil, R B / Thomas, J / Tian, X / Tognini, S C / Tripathi, J / Tsaris, A / Urheim, J / Vahle, P / Vasel, J / Vinton, L / Vold, A / Vrba, T / Wang, B / Wetstein, M / Whittington, D / Wojcicki, S G / Wolcott, J / Yadav, N / Yang, S / Zalesak, J / Zamorano, B / Zwaska, R

    Physical review letters

    2017  Volume 118, Issue 15, Page(s) 151802

    Abstract: This Letter reports new results on muon neutrino disappearance from NOvA, using a 14 kton detector equivalent exposure of 6.05×10^{20} protons on target from the NuMI beam at the Fermi National Accelerator Laboratory. The measurement probes the muon-tau ... ...

    Abstract This Letter reports new results on muon neutrino disappearance from NOvA, using a 14 kton detector equivalent exposure of 6.05×10^{20} protons on target from the NuMI beam at the Fermi National Accelerator Laboratory. The measurement probes the muon-tau symmetry hypothesis that requires maximal θ_{23} mixing (θ_{23}=π/4). Assuming the normal mass hierarchy, we find Δm_{32}^{2}=(2.67±0.11)×10^{-3}  eV^{2} and sin^{2}θ_{23} at the two statistically degenerate values 0.404_{-0.022}^{+0.030} and 0.624_{-0.030}^{+0.022}, both at the 68% confidence level. Our data disfavor the maximal mixing scenario with 2.6σ significance.
    Language English
    Publishing date 2017-04-14
    Publishing country United States
    Document type Journal Article
    ZDB-ID 208853-8
    ISSN 1079-7114 ; 0031-9007
    ISSN (online) 1079-7114
    ISSN 0031-9007
    DOI 10.1103/PhysRevLett.118.151802
    Database MEDical Literature Analysis and Retrieval System OnLINE

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