Search for the disappearance of muon antineutrinos in the NuMI neutrino beam

P. Adamson, D. J. Auty, D. S. Ayres, C. Backhouse, G. Barr, M. Bishai, A. Blake, G. J. Bock, D. J. Boehnlein, D. Bogert, S. V. Cao, S. Cavanaugh, D. Cherdack, S. Childress, B. C. Choudhary, J. A.B. Coelho, S. J. Coleman, L. Corwin, D. Cronin-Hennessy, I. Z. DankoJ. 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, N. Grant, K. Grzelak, A. Habig, J. Hartnell, R. Hatcher, A. Himmel, A. Holin, C. Howcroft, X. Huang, J. Hylen, G. M. Irwin, Z. Isvan, D. E. Jaffe, C. James, D. Jensen

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Abstract

We report constraints on antineutrino oscillation parameters that were obtained by using the two MINOS detectors to measure the 7% muon antineutrino component of the NuMI neutrino beam. In the Far Detector, we select 130 events in the charged-current muon antineutrino sample, compared to a prediction of 136.4±11.7(stat)-8.9+10.2(syst) events under the assumption |Δm̄2|=2.32×10-3eV2, sin2(2θ̄)=1.0. Assuming no oscillations occur at the Near Detector baseline, a fit to the two-flavor oscillation approximation constrains |Δm̄2|<3.37×10-3eV2 at the 90% confidence level with sin2(2θ̄)=1.0.

Original languageEnglish (US)
Article number071103
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume84
Issue number7
DOIs
StatePublished - Oct 11 2011

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neutrino beams
antineutrinos
muons
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Search for the disappearance of muon antineutrinos in the NuMI neutrino beam. / Adamson, P.; Auty, D. J.; Ayres, D. S.; Backhouse, C.; Barr, G.; Bishai, M.; Blake, A.; Bock, G. J.; Boehnlein, D. J.; Bogert, D.; Cao, S. V.; Cavanaugh, S.; Cherdack, D.; Childress, S.; Choudhary, B. C.; Coelho, J. A.B.; Coleman, S. J.; 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.; Grant, N.; Grzelak, K.; Habig, A.; Hartnell, J.; Hatcher, R.; Himmel, A.; Holin, A.; Howcroft, C.; Huang, X.; Hylen, J.; Irwin, G. M.; Isvan, Z.; Jaffe, D. E.; James, C.; Jensen, D.

In: Physical Review D - Particles, Fields, Gravitation and Cosmology, Vol. 84, No. 7, 071103, 11.10.2011.

Research output: Contribution to journalArticle

Adamson, P, Auty, DJ, Ayres, DS, Backhouse, C, Barr, G, Bishai, M, Blake, A, Bock, GJ, Boehnlein, DJ, Bogert, D, Cao, SV, Cavanaugh, S, Cherdack, D, Childress, S, Choudhary, BC, Coelho, JAB, Coleman, SJ, 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, Grant, N, Grzelak, K, Habig, A, Hartnell, J, Hatcher, R, Himmel, A, Holin, A, Howcroft, C, Huang, X, Hylen, J, Irwin, GM, Isvan, Z, Jaffe, DE, James, C & Jensen, D 2011, 'Search for the disappearance of muon antineutrinos in the NuMI neutrino beam', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 84, no. 7, 071103. https://doi.org/10.1103/PhysRevD.84.071103
Adamson, P. ; Auty, D. J. ; Ayres, D. S. ; Backhouse, C. ; Barr, G. ; Bishai, M. ; Blake, A. ; Bock, G. J. ; Boehnlein, D. J. ; Bogert, D. ; Cao, S. V. ; Cavanaugh, S. ; Cherdack, D. ; Childress, S. ; Choudhary, B. C. ; Coelho, J. A.B. ; Coleman, S. J. ; 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. ; Grant, N. ; Grzelak, K. ; Habig, A. ; Hartnell, J. ; Hatcher, R. ; Himmel, A. ; Holin, A. ; Howcroft, C. ; Huang, X. ; Hylen, J. ; Irwin, G. M. ; Isvan, Z. ; Jaffe, D. E. ; James, C. ; Jensen, D. / Search for the disappearance of muon antineutrinos in the NuMI neutrino beam. In: Physical Review D - Particles, Fields, Gravitation and Cosmology. 2011 ; Vol. 84, No. 7.
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T1 - Search for the disappearance of muon antineutrinos in the NuMI neutrino beam

AU - Adamson, P.

AU - Auty, D. J.

AU - Ayres, D. S.

AU - Backhouse, C.

AU - Barr, G.

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 - Choudhary, B. C.

AU - Coelho, J. A.B.

AU - Coleman, S. J.

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 - Grant, N.

AU - Grzelak, K.

AU - Habig, A.

AU - Hartnell, J.

AU - Hatcher, R.

AU - Himmel, A.

AU - Holin, A.

AU - Howcroft, C.

AU - Huang, X.

AU - Hylen, J.

AU - Irwin, G. M.

AU - Isvan, Z.

AU - Jaffe, D. E.

AU - James, C.

AU - Jensen, D.

PY - 2011/10/11

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N2 - We report constraints on antineutrino oscillation parameters that were obtained by using the two MINOS detectors to measure the 7% muon antineutrino component of the NuMI neutrino beam. In the Far Detector, we select 130 events in the charged-current muon antineutrino sample, compared to a prediction of 136.4±11.7(stat)-8.9+10.2(syst) events under the assumption |Δm̄2|=2.32×10-3eV2, sin2(2θ̄)=1.0. Assuming no oscillations occur at the Near Detector baseline, a fit to the two-flavor oscillation approximation constrains |Δm̄2|<3.37×10-3eV2 at the 90% confidence level with sin2(2θ̄)=1.0.

AB - We report constraints on antineutrino oscillation parameters that were obtained by using the two MINOS detectors to measure the 7% muon antineutrino component of the NuMI neutrino beam. In the Far Detector, we select 130 events in the charged-current muon antineutrino sample, compared to a prediction of 136.4±11.7(stat)-8.9+10.2(syst) events under the assumption |Δm̄2|=2.32×10-3eV2, sin2(2θ̄)=1.0. Assuming no oscillations occur at the Near Detector baseline, a fit to the two-flavor oscillation approximation constrains |Δm̄2|<3.37×10-3eV2 at the 90% confidence level with sin2(2θ̄)=1.0.

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