First measurement of electron neutrino appearance in NOvA

P. Adamson; C. Ader; M. Andrews; N. Anfimov; I. Anghel; K. Arms; E. Arrieta-Diaz; A. Aurisano; D. S. Ayres; C. Backhouse; M. Baird; B. A. Bambah; K. Bays; R. Bernstein; M. Betancourt; V. Bhatnagar; B. Bhuyan; J. Bian; K. Biery; T. Blackburn; V. Bocean; D. Bogert; A. Bolshakova; M. Bowden; C. Bower; D. Broemmelsiek; C. Bromberg; G. Brunetti; X. Bu; A. Butkevich; D. Capista; E. Catano-Mur; T. R. Chase; S. Childress; B. C. Choudhary; B. Chowdhury; T. E. Coan; J. A B Coelho; M. Colo; J. Cooper; L. Corwin; D. Cronin-Hennessy; A. Cunningham; G. S. Davies; J. P. Davies; M. Del Tutto; P. F. Derwent; K. N. Deepthi; D. Demuth; S. Desai; G. Deuerling; A. Devan; J. Dey; R. Dharmapalan; P. Ding; S. Dixon; Z. Djurcic; E. C. Dukes; H. Duyang; R. Ehrlich; G. J. Feldman; N. Felt; E. J. Fenyves; E. Flumerfelt; S. Foulkes; M. J. Frank; W. Freeman; M. Gabrielyan; H. R. Gallagher; M. Gebhard; T. Ghosh; W. Gilbert; A. Giri; S. Goadhouse; R. A. Gomes; L. Goodenough; M. C. Goodman; V. Grichine; N. Grossman; R. Group; J. Grudzinski; V. Guarino; B. Guo; A. Habig; T. Handler; J. Hartnell; R. Hatcher; A. Hatzikoutelis; K. Heller; C. Howcroft; J. Huang; X. Huang; J. Hylen; M. Ishitsuka; F. Jediny; C. Jensen; D. Jensen; C. Johnson; H. Jostlein; G. K. Kafka; Y. Kamyshkov; S. M S Kasahara; S. Kasetti; K. Kephart; G. Koizumi; S. Kotelnikov; I. Kourbanis; Z. Krahn; V. Kravtsov; A. Kreymer; Ch Kulenberg; A. Kumar; T. Kutnink; R. Kwarciancy; J. Kwong; K. Lang; A. Lee; W. M. Lee; K. Lee; S. Lein; J. Liu; M. Lokajicek; J. Lozier; Q. Lu; P. Lucas; S. Luchuk; P. Lukens; G. Lukhanin; S. Magill; K. Maan; W. A. Mann; M. L. Marshak; M. Martens; J. Martincik; P. Mason; K. Matera; M. Mathis; V. Matveev; N. Mayer; E. McCluskey; R. Mehdiyev; H. Merritt; M. D. Messier; H. Meyer; T. Miao; D. Michael; S. P. Mikheyev; W. H. Miller; S. R. Mishra; R. Mohanta; A. Moren; L. Mualem; M. Muether; S. Mufson; J. Musser; H. B. Newman; J. K. Nelson; E. Niner; A. Norman; J. Nowak; Y. Oksuzian; A. Olshevskiy; J. Oliver; T. Olson; J. Paley; P. Pandey; A. Para; R. B. Patterson; G. Pawloski; N. Pearson; D. Perevalov; D. Pershey; E. Peterson; R. Petti; S. Phan-Budd; L. Piccoli; A. Pla-Dalmau; R. K. Plunkett; R. Poling; B. Potukuchi; F. Psihas; D. Pushka; X. Qiu; N. Raddatz; A. Radovic; R. A. Rameika; R. Ray; B. Rebel; R. Rechenmacher; B. Reed; R. Reilly; D. Rocco; D. Rodkin; K. Ruddick; R. Rusack; V. Ryabov; K. Sachdev; S. Sahijpal; H. Sahoo; O. Samoylov; M. C. Sanchez; N. Saoulidou; P. Schlabach; J. Schneps; R. Schroeter; J. Sepulveda-Quiroz; P. Shanahan; B. Sherwood; A. Sheshukov; J. Singh; V. Singh; A. Smith; D. Smith; J. Smolik; N. Solomey; A. Sotnikov; A. Sousa; K. Soustruznik; Y. Stenkin; M. Strait; L. Suter; R. L. Talaga; M. C. Tamsett; S. Tariq; P. Tas; R. J. Tesarek; R. B. Thayyullathil; K. Thomsen; X. Tian; S. C. Tognini; R. Toner; J. Trevor; G. Tzanakos; J. Urheim; P. Vahle; L. Valerio; L. Vinton; T. Vrba; A. V. Waldron; B. Wang; Z. Wang; A. Weber; A. Wehmann; D. Whittington; N. Wilcer; R. Wildberger; D. Wildman; K. Williams; S. G. Wojcicki; K. Wood; M. Xiao; T. Xin; N. Yadav; S. Yang; S. Zadorozhnyy; J. Zalesak; B. Zamorano; A. Zhao; J. Zirnstein; R. Zwaska

doi:10.1103/PhysRevLett.116.151806

First measurement of electron neutrino appearance in NOvA

P. Adamson, C. Ader, M. Andrews, N. Anfimov, I. Anghel, K. Arms, E. Arrieta-Diaz, A. Aurisano, D. S. Ayres, C. Backhouse, M. Baird, B. A. Bambah, K. Bays, R. Bernstein, M. Betancourt, V. Bhatnagar, B. Bhuyan, J. Bian, K. Biery, T. BlackburnV. Bocean, D. Bogert, A. Bolshakova, M. Bowden, C. Bower, D. Broemmelsiek, C. Bromberg, G. Brunetti, X. Bu, A. Butkevich, D. Capista, E. Catano-Mur, T. R. Chase, S. Childress, B. C. Choudhary, B. Chowdhury, T. E. Coan, J. A B Coelho, M. Colo, J. Cooper, L. Corwin, D. Cronin-Hennessy, A. Cunningham, G. S. Davies, J. P. Davies, M. Del Tutto, P. F. Derwent, K. N. Deepthi, D. Demuth, S. Desai, G. Deuerling, A. Devan, J. Dey, R. Dharmapalan, P. Ding, S. Dixon, Z. Djurcic, E. C. Dukes, H. Duyang, R. Ehrlich, G. J. Feldman, N. Felt, E. J. Fenyves, E. Flumerfelt, S. Foulkes, M. J. Frank, W. Freeman, M. Gabrielyan, H. R. Gallagher, M. Gebhard, T. Ghosh, W. Gilbert, A. Giri, S. Goadhouse, R. A. Gomes, L. Goodenough, M. C. Goodman, V. Grichine, N. Grossman, R. Group, J. Grudzinski, V. Guarino, B. Guo, A. Habig, T. Handler, J. Hartnell, R. Hatcher, A. Hatzikoutelis, K. Heller, C. Howcroft, J. Huang, X. Huang, J. Hylen, M. Ishitsuka, F. Jediny, C. Jensen, D. Jensen, C. Johnson, H. Jostlein, G. K. Kafka, Y. Kamyshkov, S. M S Kasahara, S. Kasetti, K. Kephart, G. Koizumi, S. Kotelnikov, I. Kourbanis, Z. Krahn, V. Kravtsov, A. Kreymer, Ch Kulenberg, A. Kumar, T. Kutnink, R. Kwarciancy, J. Kwong, K. Lang, A. Lee, W. M. Lee, K. Lee, S. Lein, J. Liu, M. Lokajicek, J. Lozier, Q. Lu, P. Lucas, S. Luchuk, P. Lukens, G. Lukhanin, S. Magill, K. Maan, W. A. Mann, M. L. Marshak, M. Martens, J. Martincik, P. Mason, K. Matera, M. Mathis, V. Matveev, N. Mayer, E. McCluskey, R. Mehdiyev, H. Merritt, M. D. Messier, H. Meyer, T. Miao, D. Michael, S. P. Mikheyev, W. H. Miller, S. R. Mishra, R. Mohanta, A. Moren, L. Mualem, M. Muether, S. Mufson, J. Musser, H. B. Newman, J. K. Nelson, E. Niner, A. Norman, J. Nowak, Y. Oksuzian, A. Olshevskiy, J. Oliver, T. Olson, J. Paley, P. Pandey, A. Para, R. B. Patterson, G. Pawloski, N. Pearson, D. Perevalov, D. Pershey, E. Peterson, R. Petti, S. Phan-Budd, L. Piccoli, A. Pla-Dalmau, R. K. Plunkett, R. Poling, B. Potukuchi, F. Psihas, D. Pushka, X. Qiu, N. Raddatz, A. Radovic, R. A. Rameika, R. Ray, B. Rebel, R. Rechenmacher, B. Reed, R. Reilly, D. Rocco, D. Rodkin, K. Ruddick, R. Rusack, V. Ryabov, K. Sachdev, S. Sahijpal, H. Sahoo, O. Samoylov, M. C. Sanchez, N. Saoulidou, P. Schlabach, J. Schneps, R. Schroeter, J. Sepulveda-Quiroz, P. Shanahan, B. Sherwood, A. Sheshukov, J. Singh, V. Singh, A. Smith, D. Smith, J. Smolik, N. Solomey, A. Sotnikov, A. Sousa, K. Soustruznik, Y. Stenkin, M. Strait, L. Suter, R. L. Talaga, M. C. Tamsett, S. Tariq, P. Tas, R. J. Tesarek, R. B. Thayyullathil, K. Thomsen, X. Tian, S. C. Tognini, R. Toner, J. Trevor, G. Tzanakos, J. Urheim, P. Vahle, L. Valerio, L. Vinton, T. Vrba, A. V. Waldron, B. Wang, Z. Wang, A. Weber, A. Wehmann, D. Whittington, N. Wilcer, R. Wildberger, D. Wildman, K. Williams, S. G. Wojcicki, K. Wood, M. Xiao, T. Xin, N. Yadav, S. Yang, S. Zadorozhnyy, J. Zalesak, B. Zamorano, A. Zhao, J. Zirnstein, R. Zwaska

Research output: Contribution to journal › Article › peer-review

184 Scopus citations

Abstract

We report results from the first search for νμ→νe transitions by the NOvA experiment. In an exposure equivalent to 2.74×1020 protons on target in the upgraded NuMI beam at Fermilab, we observe 6 events in the Far Detector, compared to a background expectation of 0.99±0.11(syst) events based on the Near Detector measurement. A secondary analysis observes 11 events with a background of 1.07±0.14(syst). The 3.3σ excess of events observed in the primary analysis disfavors 0.1π<δCP<0.5π in the inverted mass hierarchy at the 90% C.L.

Original language	English (US)
Article number	151806
Journal	Physical review letters
Volume	116
Issue number	15
DOIs	https://doi.org/10.1103/PhysRevLett.116.151806
State	Published - Apr 13 2016

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© 2016 American Physical Society.

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Adamson, P., Ader, C., Andrews, M., Anfimov, N., Anghel, I., Arms, K., Arrieta-Diaz, E., Aurisano, A., Ayres, D. S., Backhouse, C., Baird, M., Bambah, B. A., Bays, K., Bernstein, R., Betancourt, M., Bhatnagar, V., Bhuyan, B., Bian, J., Biery, K., ... Zwaska, R. (2016). First measurement of electron neutrino appearance in NOvA. Physical review letters, 116(15), Article 151806. https://doi.org/10.1103/PhysRevLett.116.151806

Adamson, P, Ader, C, Andrews, M, Anfimov, N, Anghel, I, Arms, K, Arrieta-Diaz, E, Aurisano, A, Ayres, DS, Backhouse, C, Baird, M, Bambah, BA, Bays, K, Bernstein, R, Betancourt, M, Bhatnagar, V, Bhuyan, B, Bian, J, Biery, K, Blackburn, T, Bocean, V, Bogert, D, Bolshakova, A, Bowden, M, Bower, C, Broemmelsiek, D, Bromberg, C, Brunetti, G, Bu, X, Butkevich, A, Capista, D, Catano-Mur, E, Chase, TR, Childress, S, Choudhary, BC, Chowdhury, B, Coan, TE, Coelho, JAB, Colo, M, Cooper, J, Corwin, L, Cronin-Hennessy, D, Cunningham, A, Davies, GS, Davies, JP, Del Tutto, M, Derwent, PF, Deepthi, KN, Demuth, D, Desai, S, Deuerling, G, Devan, A, Dey, J, Dharmapalan, R, Ding, P, Dixon, S, Djurcic, Z, Dukes, EC, Duyang, H, Ehrlich, R, Feldman, GJ, Felt, N, Fenyves, EJ, Flumerfelt, E, Foulkes, S, Frank, MJ, Freeman, W, Gabrielyan, M, Gallagher, HR, Gebhard, M, Ghosh, T, Gilbert, W, Giri, A, Goadhouse, S, Gomes, RA, Goodenough, L, Goodman, MC, Grichine, V, Grossman, N, Group, R, Grudzinski, J, Guarino, V, Guo, B, Habig, A, Handler, T, Hartnell, J, Hatcher, R, Hatzikoutelis, A, Heller, K, Howcroft, C, Huang, J, Huang, X, Hylen, J, Ishitsuka, M, Jediny, F, Jensen, C, Jensen, D, Johnson, C, Jostlein, H, Kafka, GK, Kamyshkov, Y, Kasahara, SMS, Kasetti, S, Kephart, K, Koizumi, G, Kotelnikov, S, Kourbanis, I, Krahn, Z, Kravtsov, V, Kreymer, A, Kulenberg, C, Kumar, A, Kutnink, T, Kwarciancy, R, Kwong, J, Lang, K, Lee, A, Lee, WM, Lee, K, Lein, S, Liu, J, Lokajicek, M, Lozier, J, Lu, Q, Lucas, P, Luchuk, S, Lukens, P, Lukhanin, G, Magill, S, Maan, K, Mann, WA, Marshak, ML, Martens, M, Martincik, J, Mason, P, Matera, K, Mathis, M, Matveev, V, Mayer, N, McCluskey, E, Mehdiyev, R, Merritt, H, Messier, MD, Meyer, H, Miao, T, Michael, D, Mikheyev, SP, Miller, WH, Mishra, SR, Mohanta, R, Moren, A, Mualem, L, Muether, M, Mufson, S, Musser, J, Newman, HB, Nelson, JK, Niner, E, Norman, A, Nowak, J, Oksuzian, Y, Olshevskiy, A, Oliver, J, Olson, T, Paley, J, Pandey, P, Para, A, Patterson, RB, Pawloski, G, Pearson, N, Perevalov, D, Pershey, D, Peterson, E, Petti, R, Phan-Budd, S, Piccoli, L, Pla-Dalmau, A, Plunkett, RK, Poling, R, Potukuchi, B, Psihas, F, Pushka, D, Qiu, X, Raddatz, N, Radovic, A, Rameika, RA, Ray, R, Rebel, B, Rechenmacher, R, Reed, B, Reilly, R, Rocco, D, Rodkin, D, Ruddick, K, Rusack, R, Ryabov, V, Sachdev, K, Sahijpal, S, Sahoo, H, Samoylov, O, Sanchez, MC, Saoulidou, N, Schlabach, P, Schneps, J, Schroeter, R, Sepulveda-Quiroz, J, Shanahan, P, Sherwood, B, Sheshukov, A, Singh, J, Singh, V, Smith, A, Smith, D, Smolik, J, Solomey, N, Sotnikov, A, Sousa, A, Soustruznik, K, Stenkin, Y, Strait, M, Suter, L, Talaga, RL, Tamsett, MC, Tariq, S, Tas, P, Tesarek, RJ, Thayyullathil, RB, Thomsen, K, Tian, X, Tognini, SC, Toner, R, Trevor, J, Tzanakos, G, Urheim, J, Vahle, P, Valerio, L, Vinton, L, Vrba, T, Waldron, AV, Wang, B, Wang, Z, Weber, A, Wehmann, A, Whittington, D, Wilcer, N, Wildberger, R, Wildman, D, Williams, K, Wojcicki, SG, Wood, K, Xiao, M, Xin, T, Yadav, N, Yang, S, Zadorozhnyy, S, Zalesak, J, Zamorano, B, Zhao, A, Zirnstein, J & Zwaska, R 2016, 'First measurement of electron neutrino appearance in NOvA', Physical review letters, vol. 116, no. 15, 151806. https://doi.org/10.1103/PhysRevLett.116.151806

@article{e81109f7f0be40e7a96b396a09e5fc6a,

title = "First measurement of electron neutrino appearance in NOvA",

abstract = "We report results from the first search for νμ→νe transitions by the NOvA experiment. In an exposure equivalent to 2.74×1020 protons on target in the upgraded NuMI beam at Fermilab, we observe 6 events in the Far Detector, compared to a background expectation of 0.99±0.11(syst) events based on the Near Detector measurement. A secondary analysis observes 11 events with a background of 1.07±0.14(syst). The 3.3σ excess of events observed in the primary analysis disfavors 0.1π<δCP<0.5π in the inverted mass hierarchy at the 90% C.L.",

author = "P. Adamson and C. Ader and M. Andrews and N. Anfimov and I. Anghel and K. Arms and E. Arrieta-Diaz and A. Aurisano and Ayres, {D. S.} and C. Backhouse and M. Baird and Bambah, {B. A.} and K. Bays and R. Bernstein and M. Betancourt and V. Bhatnagar and B. Bhuyan and J. Bian and K. Biery and T. Blackburn and V. Bocean and D. Bogert and A. Bolshakova and M. Bowden and C. Bower and D. Broemmelsiek and C. Bromberg and G. Brunetti and X. Bu and A. Butkevich and D. Capista and E. Catano-Mur and Chase, {T. R.} and S. Childress and Choudhary, {B. C.} and B. Chowdhury and Coan, {T. E.} and Coelho, {J. A B} and M. Colo and J. Cooper and L. Corwin and D. Cronin-Hennessy and A. Cunningham and Davies, {G. S.} and Davies, {J. P.} and {Del Tutto}, M. and Derwent, {P. F.} and Deepthi, {K. N.} and D. Demuth and S. Desai and G. Deuerling and A. Devan and J. Dey and R. Dharmapalan and P. Ding and S. Dixon and Z. Djurcic and Dukes, {E. C.} and H. Duyang and R. Ehrlich and Feldman, {G. J.} and N. Felt and Fenyves, {E. J.} and E. Flumerfelt and S. Foulkes and Frank, {M. J.} and W. Freeman and M. Gabrielyan and Gallagher, {H. R.} and M. Gebhard and T. Ghosh and W. Gilbert and A. Giri and S. Goadhouse and Gomes, {R. A.} and L. Goodenough and Goodman, {M. C.} and V. Grichine and N. Grossman and R. Group and J. Grudzinski and V. Guarino and B. Guo and A. Habig and T. Handler and J. Hartnell and R. Hatcher and A. Hatzikoutelis and K. Heller and C. Howcroft and J. Huang and X. Huang and J. Hylen and M. Ishitsuka and F. Jediny and C. Jensen and D. Jensen and C. Johnson and H. Jostlein and Kafka, {G. K.} and Y. Kamyshkov and Kasahara, {S. M S} and S. Kasetti and K. Kephart and G. Koizumi and S. Kotelnikov and I. Kourbanis and Z. Krahn and V. Kravtsov and A. Kreymer and Ch Kulenberg and A. Kumar and T. Kutnink and R. Kwarciancy and J. Kwong and K. Lang and A. Lee and Lee, {W. M.} and K. Lee and S. Lein and J. Liu and M. Lokajicek and J. Lozier and Q. Lu and P. Lucas and S. Luchuk and P. Lukens and G. Lukhanin and S. Magill and K. Maan and Mann, {W. A.} and Marshak, {M. L.} and M. Martens and J. Martincik and P. Mason and K. Matera and M. Mathis and V. Matveev and N. Mayer and E. McCluskey and R. Mehdiyev and H. Merritt and Messier, {M. D.} and H. Meyer and T. Miao and D. Michael and Mikheyev, {S. P.} and Miller, {W. H.} and Mishra, {S. R.} and R. Mohanta and A. Moren and L. Mualem and M. Muether and S. Mufson and J. Musser and Newman, {H. B.} and Nelson, {J. K.} and E. Niner and A. Norman and J. Nowak and Y. Oksuzian and A. Olshevskiy and J. Oliver and T. Olson and J. Paley and P. Pandey and A. Para and Patterson, {R. B.} and G. Pawloski and N. Pearson and D. Perevalov and D. Pershey and E. Peterson and R. Petti and S. Phan-Budd and L. Piccoli and A. Pla-Dalmau and Plunkett, {R. K.} and R. Poling and B. Potukuchi and F. Psihas and D. Pushka and X. Qiu and N. Raddatz and A. Radovic and Rameika, {R. A.} and R. Ray and B. Rebel and R. Rechenmacher and B. Reed and R. Reilly and D. Rocco and D. Rodkin and K. Ruddick and R. Rusack and V. Ryabov and K. Sachdev and S. Sahijpal and H. Sahoo and O. Samoylov and Sanchez, {M. C.} and N. Saoulidou and P. Schlabach and J. Schneps and R. Schroeter and J. Sepulveda-Quiroz and P. Shanahan and B. Sherwood and A. Sheshukov and J. Singh and V. Singh and A. Smith and D. Smith and J. Smolik and N. Solomey and A. Sotnikov and A. Sousa and K. Soustruznik and Y. Stenkin and M. Strait and L. Suter and Talaga, {R. L.} and Tamsett, {M. C.} and S. Tariq and P. Tas and Tesarek, {R. J.} and Thayyullathil, {R. B.} and K. Thomsen and X. Tian and Tognini, {S. C.} and R. Toner and J. Trevor and G. Tzanakos and J. Urheim and P. Vahle and L. Valerio and L. Vinton and T. Vrba and Waldron, {A. V.} and B. Wang and Z. Wang and A. Weber and A. Wehmann and D. Whittington and N. Wilcer and R. Wildberger and D. Wildman and K. Williams and Wojcicki, {S. G.} and K. Wood and M. Xiao and T. Xin and N. Yadav and S. Yang and S. Zadorozhnyy and J. Zalesak and B. Zamorano and A. Zhao and J. Zirnstein and R. Zwaska",

note = "Publisher Copyright: {\textcopyright} 2016 American Physical Society.",

year = "2016",

month = apr,

day = "13",

doi = "10.1103/PhysRevLett.116.151806",

language = "English (US)",

volume = "116",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "15",

}

TY - JOUR

T1 - First measurement of electron neutrino appearance in NOvA

AU - Adamson, P.

AU - Ader, C.

AU - Andrews, M.

AU - Anfimov, N.

AU - Anghel, I.

AU - Arms, K.

AU - Arrieta-Diaz, E.

AU - Aurisano, A.

AU - Ayres, D. S.

AU - Backhouse, C.

AU - Baird, M.

AU - Bambah, B. A.

AU - Bays, K.

AU - Bernstein, R.

AU - Betancourt, M.

AU - Bhatnagar, V.

AU - Bhuyan, B.

AU - Bian, J.

AU - Biery, K.

AU - Blackburn, T.

AU - Bocean, V.

AU - Bogert, D.

AU - Bolshakova, A.

AU - Bowden, M.

AU - Bower, C.

AU - Broemmelsiek, D.

AU - Bromberg, C.

AU - Brunetti, G.

AU - Bu, X.

AU - Butkevich, A.

AU - Capista, D.

AU - Catano-Mur, E.

AU - Chase, T. R.

AU - Childress, S.

AU - Choudhary, B. C.

AU - Chowdhury, B.

AU - Coan, T. E.

AU - Coelho, J. A B

AU - Colo, M.

AU - Cooper, J.

AU - Corwin, L.

AU - Cronin-Hennessy, D.

AU - Cunningham, A.

AU - Davies, G. S.

AU - Davies, J. P.

AU - Del Tutto, M.

AU - Derwent, P. F.

AU - Deepthi, K. N.

AU - Demuth, D.

AU - Desai, S.

AU - Deuerling, G.

AU - Devan, A.

AU - Dey, J.

AU - Dharmapalan, R.

AU - Ding, P.

AU - Dixon, S.

AU - Djurcic, Z.

AU - Dukes, E. C.

AU - Duyang, H.

AU - Ehrlich, R.

AU - Feldman, G. J.

AU - Felt, N.

AU - Fenyves, E. J.

AU - Flumerfelt, E.

AU - Foulkes, S.

AU - Frank, M. J.

AU - Freeman, W.

AU - Gabrielyan, M.

AU - Gallagher, H. R.

AU - Gebhard, M.

AU - Ghosh, T.

AU - Gilbert, W.

AU - Giri, A.

AU - Goadhouse, S.

AU - Gomes, R. A.

AU - Goodenough, L.

AU - Goodman, M. C.

AU - Grichine, V.

AU - Grossman, N.

AU - Group, R.

AU - Grudzinski, J.

AU - Guarino, V.

AU - Guo, B.

AU - Habig, A.

AU - Handler, T.

AU - Hartnell, J.

AU - Hatcher, R.

AU - Hatzikoutelis, A.

AU - Heller, K.

AU - Howcroft, C.

AU - Huang, J.

AU - Huang, X.

AU - Hylen, J.

AU - Ishitsuka, M.

AU - Jediny, F.

AU - Jensen, C.

AU - Jensen, D.

AU - Johnson, C.

AU - Jostlein, H.

AU - Kafka, G. K.

AU - Kamyshkov, Y.

AU - Kasahara, S. M S

AU - Kasetti, S.

AU - Kephart, K.

AU - Koizumi, G.

AU - Kotelnikov, S.

AU - Kourbanis, I.

AU - Krahn, Z.

AU - Kravtsov, V.

AU - Kreymer, A.

AU - Kulenberg, Ch

AU - Kumar, A.

AU - Kutnink, T.

AU - Kwarciancy, R.

AU - Kwong, J.

AU - Lang, K.

AU - Lee, A.

AU - Lee, W. M.

AU - Lee, K.

AU - Lein, S.

AU - Liu, J.

AU - Lokajicek, M.

AU - Lozier, J.

AU - Lu, Q.

AU - Lucas, P.

AU - Luchuk, S.

AU - Lukens, P.

AU - Lukhanin, G.

AU - Magill, S.

AU - Maan, K.

AU - Mann, W. A.

AU - Marshak, M. L.

AU - Martens, M.

AU - Martincik, J.

AU - Mason, P.

AU - Matera, K.

AU - Mathis, M.

AU - Matveev, V.

AU - Mayer, N.

AU - McCluskey, E.

AU - Mehdiyev, R.

AU - Merritt, H.

AU - Messier, M. D.

AU - Meyer, H.

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PY - 2016/4/13

Y1 - 2016/4/13

N2 - We report results from the first search for νμ→νe transitions by the NOvA experiment. In an exposure equivalent to 2.74×1020 protons on target in the upgraded NuMI beam at Fermilab, we observe 6 events in the Far Detector, compared to a background expectation of 0.99±0.11(syst) events based on the Near Detector measurement. A secondary analysis observes 11 events with a background of 1.07±0.14(syst). The 3.3σ excess of events observed in the primary analysis disfavors 0.1π<δCP<0.5π in the inverted mass hierarchy at the 90% C.L.

AB - We report results from the first search for νμ→νe transitions by the NOvA experiment. In an exposure equivalent to 2.74×1020 protons on target in the upgraded NuMI beam at Fermilab, we observe 6 events in the Far Detector, compared to a background expectation of 0.99±0.11(syst) events based on the Near Detector measurement. A secondary analysis observes 11 events with a background of 1.07±0.14(syst). The 3.3σ excess of events observed in the primary analysis disfavors 0.1π<δCP<0.5π in the inverted mass hierarchy at the 90% C.L.

UR - http://www.scopus.com/inward/record.url?scp=84963813198&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=84963813198&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.116.151806

DO - 10.1103/PhysRevLett.116.151806

M3 - Article

C2 - 27127961

AN - SCOPUS:84963813198

SN - 0031-9007

VL - 116

JO - Physical review letters

JF - Physical review letters

IS - 15

M1 - 151806

ER -

First measurement of electron neutrino appearance in NOvA

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