Neutrino oscillation effects in Soudan 2 upward-stopping muons

W. W.M. Allison; G. J. Alner; D. S. Ayres; G. D. Barr; W. L. Barrett; P. M. Border; J. H. Cobb; D. J.A. Cockerill; H. Courant; D. M. Demuth; T. H. Fields; H. R. Gallagher; M. C. Goodman; T. Kafka; S. M.S. Kasahara; P. J. Litchfield; W. A. Mann; M. L. Marshak; W. H. Miller; L. Mualem; J. K. Nelson; A. Napier; W. P. Oliver; G. F. Pearce; E. A. Peterson; D. A. Petyt; K. Ruddick; M. Sanchez; J. Schneps; A. Sousa; J. L. Thron; N. West

doi:10.1103/PhysRevD.72.052005

Neutrino oscillation effects in Soudan 2 upward-stopping muons

W. W.M. Allison, G. J. Alner, D. S. Ayres, G. D. Barr, W. L. Barrett, P. M. Border, J. H. Cobb, D. J.A. Cockerill, H. Courant, D. M. Demuth, T. H. Fields, H. R. Gallagher, M. C. Goodman, T. Kafka, S. M.S. Kasahara, P. J. Litchfield, W. A. Mann, M. L. Marshak, W. H. Miller, L. MualemJ. K. Nelson, A. Napier, W. P. Oliver, G. F. Pearce, E. A. Peterson, D. A. Petyt, K. Ruddick, M. Sanchez, J. Schneps, A. Sousa, J. L. Thron, N. West

Physics and Astronomy (Twin Cities)

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Abstract

Upward-going stopping muons initiated by atmospheric νμ and ν̄μ interactions in the rock below the Soudan 2 detector have been isolated, together with a companion sample of neutrino-induced single muons, created within the detector, which travel downwards and exit. The downward-going sample is consistent with the atmospheric-neutrino flux prediction, but the upward-going sample exhibits a sizable depletion. Both are consistent with previously reported Soudan 2 neutrino-oscillation results. Inclusion of the two samples in an all-event likelihood analysis, using recent 3D-atmospheric- neutrino-flux calculations, reduces both the allowed oscillation parameter region and the probability of the no-oscillation hypothesis.

Original language	English (US)
Article number	052005
Journal	Physical Review D - Particles, Fields, Gravitation and Cosmology
Volume	72
Issue number	5
DOIs	https://doi.org/10.1103/PhysRevD.72.052005
State	Published - Sep 1 2005

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Allison, W. W. M., Alner, G. J., Ayres, D. S., Barr, G. D., Barrett, W. L., Border, P. M., Cobb, J. H., Cockerill, D. J. A., Courant, H., Demuth, D. M., Fields, T. H., Gallagher, H. R., Goodman, M. C., Kafka, T., Kasahara, S. M. S., Litchfield, P. J., Mann, W. A., Marshak, M. L., Miller, W. H., ... West, N. (2005). Neutrino oscillation effects in Soudan 2 upward-stopping muons. Physical Review D - Particles, Fields, Gravitation and Cosmology, 72(5), Article 052005. https://doi.org/10.1103/PhysRevD.72.052005

Allison, WWM, Alner, GJ, Ayres, DS, Barr, GD, Barrett, WL, Border, PM, Cobb, JH, Cockerill, DJA, Courant, H, Demuth, DM, Fields, TH, Gallagher, HR, Goodman, MC, Kafka, T, Kasahara, SMS, Litchfield, PJ, Mann, WA, Marshak, ML, Miller, WH, Mualem, L, Nelson, JK, Napier, A, Oliver, WP, Pearce, GF, Peterson, EA, Petyt, DA, Ruddick, K, Sanchez, M, Schneps, J, Sousa, A, Thron, JL & West, N 2005, 'Neutrino oscillation effects in Soudan 2 upward-stopping muons', Physical Review D - Particles, Fields, Gravitation and Cosmology, vol. 72, no. 5, 052005. https://doi.org/10.1103/PhysRevD.72.052005

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abstract = "Upward-going stopping muons initiated by atmospheric νμ and {\=ν}μ interactions in the rock below the Soudan 2 detector have been isolated, together with a companion sample of neutrino-induced single muons, created within the detector, which travel downwards and exit. The downward-going sample is consistent with the atmospheric-neutrino flux prediction, but the upward-going sample exhibits a sizable depletion. Both are consistent with previously reported Soudan 2 neutrino-oscillation results. Inclusion of the two samples in an all-event likelihood analysis, using recent 3D-atmospheric- neutrino-flux calculations, reduces both the allowed oscillation parameter region and the probability of the no-oscillation hypothesis.",

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AU - Border, P. M.

AU - Cobb, J. H.

AU - Cockerill, D. J.A.

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AU - Demuth, D. M.

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AU - Gallagher, H. R.

AU - Goodman, M. C.

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AU - Kasahara, S. M.S.

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AU - Mann, W. A.

AU - Marshak, M. L.

AU - Miller, W. H.

AU - Mualem, L.

AU - Nelson, J. K.

AU - Napier, A.

AU - Oliver, W. P.

AU - Pearce, G. F.

AU - Peterson, E. A.

AU - Petyt, D. A.

AU - Ruddick, K.

AU - Sanchez, M.

AU - Schneps, J.

AU - Sousa, A.

AU - Thron, J. L.

AU - West, N.

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N2 - Upward-going stopping muons initiated by atmospheric νμ and ν̄μ interactions in the rock below the Soudan 2 detector have been isolated, together with a companion sample of neutrino-induced single muons, created within the detector, which travel downwards and exit. The downward-going sample is consistent with the atmospheric-neutrino flux prediction, but the upward-going sample exhibits a sizable depletion. Both are consistent with previously reported Soudan 2 neutrino-oscillation results. Inclusion of the two samples in an all-event likelihood analysis, using recent 3D-atmospheric- neutrino-flux calculations, reduces both the allowed oscillation parameter region and the probability of the no-oscillation hypothesis.

AB - Upward-going stopping muons initiated by atmospheric νμ and ν̄μ interactions in the rock below the Soudan 2 detector have been isolated, together with a companion sample of neutrino-induced single muons, created within the detector, which travel downwards and exit. The downward-going sample is consistent with the atmospheric-neutrino flux prediction, but the upward-going sample exhibits a sizable depletion. Both are consistent with previously reported Soudan 2 neutrino-oscillation results. Inclusion of the two samples in an all-event likelihood analysis, using recent 3D-atmospheric- neutrino-flux calculations, reduces both the allowed oscillation parameter region and the probability of the no-oscillation hypothesis.

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Neutrino oscillation effects in Soudan 2 upward-stopping muons

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