Constraints on Oscillation Parameters from νe Appearance and νμ Disappearance in NOvA

P. Adamson; L. Aliaga; D. Ambrose; N. Anfimov; A. Antoshkin; E. Arrieta-Diaz; K. Augsten; A. Aurisano; C. Backhouse; M. Baird; B. A. Bambah; K. Bays; B. Behera; S. Bending; R. Bernstein; V. Bhatnagar; B. Bhuyan; J. Bian; T. Blackburn; A. Bolshakova; C. Bromberg; J. Brown; G. Brunetti; N. Buchanan; A. Butkevich; V. Bychkov; M. Campbell; E. Catano-Mur; S. Childress; B. C. Choudhary; B. Chowdhury; T. E. Coan; J. A.B. Coelho; M. Colo; J. Cooper; L. Corwin; L. Cremonesi; D. Cronin-Hennessy; G. S. Davies; J. P. Davies; P. F. Derwent; R. Dharmapalan; P. Ding; Z. Djurcic; A. Habig; K. Heller; M. L. Marshak; G. Pawloski; R. Poling; M. Strait; (NOvA Collaboration)

doi:10.1103/PhysRevLett.118.231801

Constraints on Oscillation Parameters from νe Appearance and νμ Disappearance in NOvA

P. Adamson, L. Aliaga, D. Ambrose, N. Anfimov, A. Antoshkin, E. Arrieta-Diaz, K. Augsten, A. Aurisano, C. Backhouse, M. Baird, B. A. Bambah, K. Bays, B. Behera, S. Bending, R. Bernstein, V. Bhatnagar, B. Bhuyan, J. Bian, T. Blackburn, A. BolshakovaC. Bromberg, J. Brown, G. Brunetti, N. Buchanan, A. Butkevich, V. Bychkov, M. Campbell, E. Catano-Mur, S. Childress, B. C. Choudhary, B. Chowdhury, T. E. Coan, J. A.B. Coelho, M. Colo, J. Cooper, L. Corwin, L. Cremonesi, D. Cronin-Hennessy, G. S. Davies, J. P. Davies, P. F. Derwent, R. Dharmapalan, P. Ding, Z. Djurcic, A. Habig, K. Heller, M. L. Marshak, G. Pawloski, R. Poling, M. Strait, (NOvA Collaboration)

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Abstract

Results are reported from an improved measurement of νμ→νe transitions by the NOvA experiment. Using an exposure equivalent to 6.05×1020 protons on target, 33 νe candidates are observed with a background of 8.2±0.8 (syst.). Combined with the latest NOvA νμ disappearance data and external constraints from reactor experiments on sin22θ13, the hypothesis of inverted mass hierarchy with θ23 in the lower octant is disfavored at greater than 93% C.L. for all values of δCP.

Original language	English (US)
Article number	231801
Journal	Physical Review Letters
Volume	118
Issue number	23
DOIs	https://doi.org/10.1103/PhysRevLett.118.231801
State	Published - Jun 5 2017

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10.1103/PhysRevLett.118.231801

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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., ... (NOvA Collaboration) (2017). Constraints on Oscillation Parameters from νe Appearance and νμ Disappearance in NOvA. Physical Review Letters, 118(23), Article 231801. https://doi.org/10.1103/PhysRevLett.118.231801

Adamson, P, Aliaga, L, Ambrose, D, Anfimov, N, Antoshkin, A, Arrieta-Diaz, E, Augsten, K, Aurisano, A, Backhouse, C, Baird, M, Bambah, BA, 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, BC, Chowdhury, B, Coan, TE, Coelho, JAB, Colo, M, Cooper, J, Corwin, L, Cremonesi, L, Cronin-Hennessy, D, Davies, GS, Davies, JP, Derwent, PF, Dharmapalan, R, Ding, P, Djurcic, Z, Habig, A , Heller, K , Marshak, ML , Pawloski, G, Poling, R, Strait, M & (NOvA Collaboration) 2017, 'Constraints on Oscillation Parameters from νe Appearance and νμ Disappearance in NOvA', Physical Review Letters, vol. 118, no. 23, 231801. https://doi.org/10.1103/PhysRevLett.118.231801

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title = "Constraints on Oscillation Parameters from νe Appearance and νμ Disappearance in NOvA",

abstract = "Results are reported from an improved measurement of νμ→νe transitions by the NOvA experiment. Using an exposure equivalent to 6.05×1020 protons on target, 33 νe candidates are observed with a background of 8.2±0.8 (syst.). Combined with the latest NOvA νμ disappearance data and external constraints from reactor experiments on sin22θ13, the hypothesis of inverted mass hierarchy with θ23 in the lower octant is disfavored at greater than 93% C.L. for all values of δCP.",

author = "P. Adamson and L. Aliaga and D. Ambrose and N. Anfimov and A. Antoshkin and E. Arrieta-Diaz and K. Augsten and A. Aurisano and C. Backhouse and M. Baird and Bambah, {B. A.} and K. Bays and B. Behera and S. Bending and R. Bernstein and V. Bhatnagar and B. Bhuyan and J. Bian and T. Blackburn and A. Bolshakova and C. Bromberg and J. Brown and G. Brunetti and N. Buchanan and A. Butkevich and V. Bychkov and M. Campbell and E. Catano-Mur 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 L. Cremonesi and D. Cronin-Hennessy and Davies, {G. S.} and Davies, {J. P.} and Derwent, {P. F.} and R. Dharmapalan and P. Ding and Z. Djurcic and A. Habig and K. Heller and Marshak, {M. L.} and G. Pawloski and R. Poling and M. Strait and {(NOvA Collaboration)}",

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month = jun,

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doi = "10.1103/PhysRevLett.118.231801",

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AU - Adamson, P.

AU - Aliaga, L.

AU - Ambrose, D.

AU - Anfimov, N.

AU - Antoshkin, A.

AU - Arrieta-Diaz, E.

AU - Augsten, K.

AU - Aurisano, A.

AU - Backhouse, C.

AU - Baird, M.

AU - Bambah, B. A.

AU - Bays, K.

AU - Behera, B.

AU - Bending, S.

AU - Bernstein, R.

AU - Bhatnagar, V.

AU - Bhuyan, B.

AU - Bian, J.

AU - Blackburn, T.

AU - Bolshakova, A.

AU - Bromberg, C.

AU - Brown, J.

AU - Brunetti, G.

AU - Buchanan, N.

AU - Butkevich, A.

AU - Bychkov, V.

AU - Campbell, M.

AU - Catano-Mur, E.

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 - Cremonesi, L.

AU - Cronin-Hennessy, D.

AU - Davies, G. S.

AU - Davies, J. P.

AU - Derwent, P. F.

AU - Dharmapalan, R.

AU - Ding, P.

AU - Djurcic, Z.

AU - Habig, A.

AU - Heller, K.

AU - Marshak, M. L.

AU - Pawloski, G.

AU - Poling, R.

AU - Strait, M.

AU - (NOvA Collaboration)

PY - 2017/6/5

Y1 - 2017/6/5

N2 - Results are reported from an improved measurement of νμ→νe transitions by the NOvA experiment. Using an exposure equivalent to 6.05×1020 protons on target, 33 νe candidates are observed with a background of 8.2±0.8 (syst.). Combined with the latest NOvA νμ disappearance data and external constraints from reactor experiments on sin22θ13, the hypothesis of inverted mass hierarchy with θ23 in the lower octant is disfavored at greater than 93% C.L. for all values of δCP.

AB - Results are reported from an improved measurement of νμ→νe transitions by the NOvA experiment. Using an exposure equivalent to 6.05×1020 protons on target, 33 νe candidates are observed with a background of 8.2±0.8 (syst.). Combined with the latest NOvA νμ disappearance data and external constraints from reactor experiments on sin22θ13, the hypothesis of inverted mass hierarchy with θ23 in the lower octant is disfavored at greater than 93% C.L. for all values of δCP.

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JO - Physical Review Letters

JF - Physical Review Letters

IS - 23

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ER -

Constraints on Oscillation Parameters from νe Appearance and νμ Disappearance in NOvA

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