Improved search for muon-neutrino to electron-neutrino oscillations in MINOS

P. Adamson; D. J. Auty; D. S. Ayres; C. Backhouse; G. Barr; M. Betancourt; M. Bishai; A. Blake; G. J. Bock; D. J. Boehnlein; D. Bogert; S. V. Cao; S. Cavanaugh; D. Cherdack; S. Childress; J. A.B. Coelho; L. Corwin; D. Cronin-Hennessy; I. Z. Danko; J. K. De Jong; N. E. Devenish; M. V. Diwan; M. Dorman; C. O. Escobar; J. J. Evans; E. Falk; G. J. Feldman; M. V. Frohne; H. R. Gallagher; R. A. Gomes; M. C. Goodman; P. Gouffon; N. Graf; R. Gran; K. Grzelak; A. Habig; J. Hartnell; R. Hatcher; A. Himmel; A. Holin; X. Huang; J. Hylen; G. M. Irwin; Z. Isvan; D. E. Jaffe; C. James; D. Jensen; T. Kafka; S. M.S. Kasahara; G. Koizumi

doi:10.1103/PhysRevLett.107.181802

Improved search for muon-neutrino to electron-neutrino oscillations in MINOS

P. Adamson, D. J. Auty, D. S. Ayres, C. Backhouse, G. Barr, M. Betancourt, M. Bishai, A. Blake, G. J. Bock, D. J. Boehnlein, D. Bogert, S. V. Cao, S. Cavanaugh, D. Cherdack, S. Childress, J. A.B. Coelho, L. Corwin, D. Cronin-Hennessy, I. Z. Danko, J. K. De JongN. E. Devenish, M. V. Diwan, M. Dorman, C. O. Escobar, J. J. Evans, E. Falk, G. J. Feldman, M. V. Frohne, H. R. Gallagher, R. A. Gomes, M. C. Goodman, P. Gouffon, N. Graf, R. Gran, K. Grzelak, A. Habig, J. Hartnell, R. Hatcher, A. Himmel, A. Holin, X. Huang, J. Hylen, G. M. Irwin, Z. Isvan, D. E. Jaffe, C. James, D. Jensen, T. Kafka, S. M.S. Kasahara, G. Koizumi

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Abstract

We report the results of a search for ν_e appearance in a ν_μ beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2×1020 protons on the NuMI target at Fermilab, we find that 2^sin2(θ₂₃) ^sin2(2θ₁₃)<0.12(0.20) at 90% confidence level for δ=0 and the normal (inverted) neutrino mass hierarchy, with a best-fit of 2^sin2(θ₂₃)^sin2(2θ₁₃)=0. 041-0.031+0.047(0.079-0.053+0.071). The θ₁₃=0 hypothesis is disfavored by the MINOS data at the 89% confidence level.

Original language	English (US)
Article number	181802
Journal	Physical review letters
Volume	107
Issue number	18
DOIs	https://doi.org/10.1103/PhysRevLett.107.181802
State	Published - Oct 27 2011

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10.1103/PhysRevLett.107.181802

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Adamson, P., Auty, D. J., Ayres, D. S., Backhouse, C., Barr, G., Betancourt, M., Bishai, M., Blake, A., Bock, G. J., Boehnlein, D. J., Bogert, D., Cao, S. V., Cavanaugh, S., Cherdack, D., Childress, S., Coelho, J. A. B., Corwin, L., Cronin-Hennessy, D., Danko, I. Z., ... Koizumi, G. (2011). Improved search for muon-neutrino to electron-neutrino oscillations in MINOS. Physical review letters, 107(18), Article 181802. https://doi.org/10.1103/PhysRevLett.107.181802

Adamson, P, Auty, DJ, Ayres, DS, Backhouse, C, Barr, G, Betancourt, M, Bishai, M, Blake, A, Bock, GJ, Boehnlein, DJ, Bogert, D, Cao, SV, Cavanaugh, S, Cherdack, D, Childress, S, Coelho, JAB, Corwin, L, Cronin-Hennessy, D, Danko, IZ, De Jong, JK, Devenish, NE, Diwan, MV, Dorman, M, Escobar, CO, Evans, JJ, Falk, E, Feldman, GJ, Frohne, MV, Gallagher, HR, Gomes, RA, Goodman, MC, Gouffon, P, Graf, N, Gran, R, Grzelak, K, Habig, A, Hartnell, J, Hatcher, R, Himmel, A, Holin, A, Huang, X, Hylen, J, Irwin, GM, Isvan, Z, Jaffe, DE, James, C, Jensen, D, Kafka, T, Kasahara, SMS & Koizumi, G 2011, 'Improved search for muon-neutrino to electron-neutrino oscillations in MINOS', Physical review letters, vol. 107, no. 18, 181802. https://doi.org/10.1103/PhysRevLett.107.181802

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title = "Improved search for muon-neutrino to electron-neutrino oscillations in MINOS",

abstract = "We report the results of a search for νe appearance in a νμ beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2×1020 protons on the NuMI target at Fermilab, we find that 2sin2(θ23) sin2(2θ13)<0.12(0.20) at 90% confidence level for δ=0 and the normal (inverted) neutrino mass hierarchy, with a best-fit of 2sin2(θ23)sin2(2θ13)=0. 041-0.031+0.047(0.079-0.053+0.071). The θ13=0 hypothesis is disfavored by the MINOS data at the 89% confidence level.",

author = "P. Adamson and Auty, {D. J.} and Ayres, {D. S.} and C. Backhouse and G. Barr and M. Betancourt and M. Bishai and A. Blake and Bock, {G. J.} and Boehnlein, {D. J.} and D. Bogert and Cao, {S. V.} and S. Cavanaugh and D. Cherdack and S. Childress and Coelho, {J. A.B.} and L. Corwin and D. Cronin-Hennessy and Danko, {I. Z.} and {De Jong}, {J. K.} and Devenish, {N. E.} and Diwan, {M. V.} and M. Dorman and Escobar, {C. O.} and Evans, {J. J.} and E. Falk and Feldman, {G. J.} and Frohne, {M. V.} and Gallagher, {H. R.} and Gomes, {R. A.} and Goodman, {M. C.} and P. Gouffon and N. Graf and R. Gran and K. Grzelak and A. Habig and J. Hartnell and R. Hatcher and A. Himmel and A. Holin and X. Huang and J. Hylen and Irwin, {G. M.} and Z. Isvan and Jaffe, {D. E.} and C. James and D. Jensen and T. Kafka and Kasahara, {S. M.S.} and G. Koizumi",

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T1 - Improved search for muon-neutrino to electron-neutrino oscillations in MINOS

AU - Adamson, P.

AU - Auty, D. J.

AU - Ayres, D. S.

AU - Backhouse, C.

AU - Barr, G.

AU - Betancourt, M.

AU - Bishai, M.

AU - Blake, A.

AU - Bock, G. J.

AU - Boehnlein, D. J.

AU - Bogert, D.

AU - Cao, S. V.

AU - Cavanaugh, S.

AU - Cherdack, D.

AU - Childress, S.

AU - Coelho, J. A.B.

AU - Corwin, L.

AU - Cronin-Hennessy, D.

AU - Danko, I. Z.

AU - De Jong, J. K.

AU - Devenish, N. E.

AU - Diwan, M. V.

AU - Dorman, M.

AU - Escobar, C. O.

AU - Evans, J. J.

AU - Falk, E.

AU - Feldman, G. J.

AU - Frohne, M. V.

AU - Gallagher, H. R.

AU - Gomes, R. A.

AU - Goodman, M. C.

AU - Gouffon, P.

AU - Graf, N.

AU - Gran, R.

AU - Grzelak, K.

AU - Habig, A.

AU - Hartnell, J.

AU - Hatcher, R.

AU - Himmel, A.

AU - Holin, A.

AU - Huang, X.

AU - Hylen, J.

AU - Irwin, G. M.

AU - Isvan, Z.

AU - Jaffe, D. E.

AU - James, C.

AU - Jensen, D.

AU - Kafka, T.

AU - Kasahara, S. M.S.

AU - Koizumi, G.

PY - 2011/10/27

Y1 - 2011/10/27

N2 - We report the results of a search for νe appearance in a νμ beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2×1020 protons on the NuMI target at Fermilab, we find that 2sin2(θ23) sin2(2θ13)<0.12(0.20) at 90% confidence level for δ=0 and the normal (inverted) neutrino mass hierarchy, with a best-fit of 2sin2(θ23)sin2(2θ13)=0. 041-0.031+0.047(0.079-0.053+0.071). The θ13=0 hypothesis is disfavored by the MINOS data at the 89% confidence level.

AB - We report the results of a search for νe appearance in a νμ beam in the MINOS long-baseline neutrino experiment. With an improved analysis and an increased exposure of 8.2×1020 protons on the NuMI target at Fermilab, we find that 2sin2(θ23) sin2(2θ13)<0.12(0.20) at 90% confidence level for δ=0 and the normal (inverted) neutrino mass hierarchy, with a best-fit of 2sin2(θ23)sin2(2θ13)=0. 041-0.031+0.047(0.079-0.053+0.071). The θ13=0 hypothesis is disfavored by the MINOS data at the 89% confidence level.

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UR - http://www.scopus.com/inward/citedby.url?scp=80155151062&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.107.181802

DO - 10.1103/PhysRevLett.107.181802

M3 - Article

C2 - 22107623

AN - SCOPUS:80155151062

SN - 0031-9007

VL - 107

JO - Physical review letters

JF - Physical review letters

IS - 18

M1 - 181802

ER -

Improved search for muon-neutrino to electron-neutrino oscillations in MINOS

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