Atmospheric neutrinos in Soudan 2.

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Description

The value and zenith angle dependence of the atmospheric neutrino flavor ratio is interpreted as evidence for neutrino oscillations. The latest values from the Soudan 2 detector are presented. From 4.2 kt-years fiducial exposure, Soudan 2 measures R = 0.66 {+-} 0.11(stat) + 0.05--0.06(syst). Using a subset of the data with the best angular resolution, they plot the L/E distribution and use this to find the allowed region in oscillation parameter space. Their fit suggests that delta m-squared is greater than 10{sup {minus}3} eV{sup 2} at 90% CL.

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6 p.

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Goodman, M. C. & Collaboration, The Soudan 2 June 22, 1999.

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Description

The value and zenith angle dependence of the atmospheric neutrino flavor ratio is interpreted as evidence for neutrino oscillations. The latest values from the Soudan 2 detector are presented. From 4.2 kt-years fiducial exposure, Soudan 2 measures R = 0.66 {+-} 0.11(stat) + 0.05--0.06(syst). Using a subset of the data with the best angular resolution, they plot the L/E distribution and use this to find the allowed region in oscillation parameter space. Their fit suggests that delta m-squared is greater than 10{sup {minus}3} eV{sup 2} at 90% CL.

Physical Description

6 p.

Notes

INIS; OSTI as DE00011869

Medium: P; Size: 6 pages

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  • 26th International Cosmic Ray Conference, Salt Lake City, UT (US), 08/17/1999--08/25/1999

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  • Report No.: ANL-HEP-CP-99-63
  • Grant Number: W-31109-ENG-38
  • Office of Scientific & Technical Information Report Number: 11869
  • Archival Resource Key: ark:/67531/metadc628462

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  • June 22, 1999

Added to The UNT Digital Library

  • June 16, 2015, 7:43 a.m.

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  • April 11, 2017, 12:56 p.m.

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Goodman, M. C. & Collaboration, The Soudan 2. Atmospheric neutrinos in Soudan 2., article, June 22, 1999; Illinois. (digital.library.unt.edu/ark:/67531/metadc628462/: accessed September 19, 2017), University of North Texas Libraries, Digital Library, digital.library.unt.edu; crediting UNT Libraries Government Documents Department.