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

Research output: Contribution to journalArticle

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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.

Original languageEnglish (US)
Article number181802
JournalPhysical Review Letters
Volume107
Issue number18
DOIs
StatePublished - Oct 27 2011

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muons
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Adamson, P., Auty, D. J., Ayres, D. S., Backhouse, C., Barr, G., Betancourt, M., ... Koizumi, G. (2011). Improved search for muon-neutrino to electron-neutrino oscillations in MINOS. Physical Review Letters, 107(18), [181802]. https://doi.org/10.1103/PhysRevLett.107.181802

Improved search for muon-neutrino to electron-neutrino oscillations in MINOS. / 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.; De Jong, J. K.; Devenish, N. E.; Diwan, M. V.; Dorman, M.; Escobar, C. O.; Evans, J. J.; Falk, E.; Feldman, G. J.; Frohne, M. V.; Gallagher, H. R.; Gomes, R. A.; Goodman, M. C.; Gouffon, P.; Graf, N.; Gran, R.; Grzelak, K.; Habig, A.; Hartnell, J.; Hatcher, R.; Himmel, A.; Holin, A.; Huang, X.; Hylen, J.; Irwin, G. M.; Isvan, Z.; Jaffe, D. E.; James, C.; Jensen, D.; Kafka, T.; Kasahara, S. M.S.; Koizumi, G.

In: Physical Review Letters, Vol. 107, No. 18, 181802, 27.10.2011.

Research output: Contribution to journalArticle

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
Adamson P, Auty DJ, Ayres DS, Backhouse C, Barr G, Betancourt M et al. Improved search for muon-neutrino to electron-neutrino oscillations in MINOS. Physical Review Letters. 2011 Oct 27;107(18). 181802. https://doi.org/10.1103/PhysRevLett.107.181802
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. ; De Jong, J. K. ; Devenish, N. E. ; Diwan, M. V. ; Dorman, M. ; Escobar, C. O. ; Evans, J. J. ; Falk, E. ; Feldman, G. J. ; Frohne, M. V. ; Gallagher, H. R. ; Gomes, R. A. ; Goodman, M. C. ; Gouffon, P. ; Graf, N. ; Gran, R. ; Grzelak, K. ; Habig, A. ; Hartnell, J. ; Hatcher, R. ; Himmel, A. ; Holin, A. ; Huang, X. ; Hylen, J. ; Irwin, G. M. ; Isvan, Z. ; Jaffe, D. E. ; James, C. ; Jensen, D. ; Kafka, T. ; Kasahara, S. M.S. ; Koizumi, G. / Improved search for muon-neutrino to electron-neutrino oscillations in MINOS. In: Physical Review Letters. 2011 ; Vol. 107, No. 18.
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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.",
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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

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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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