Dimuon production by high energy neutrinos and antineutrinos in the Fermilab fifteen-foot bubble chamber. [60 and 89 GeV]

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The Fermilab fifteen-foot bubble chamber/two-plane External Muon Identifier (EMI) hybrid detector filled with Ne(47% atomic)-H/sub 2/ is exposed to the quadrupole triplet beam (< E/sub ..nu..//sub ..mu../ > = 89 GeV, < E/sub anti ..nu..//sub ..mu../ > = 60 GeV). In 326,000 pictures there are 10,148 neutrino and 1773 antineutrino charged current events with two-plane EMI muon identification and muon momenta > 4 GeV/c. In this sample there are 55 ..mu../sup -/..mu../sup +/X, 11 ..mu../sup -/..mu../sup -/X and 0 ..mu../sup +/..mu../sup +/X candidates with muon momenta > 4 GeV/c. The like-sign events are consistent with background. The opposite-sign dimuons occur ... continued below

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Pages: 134

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Orthel, J.L. September 1, 1979.

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  • Lawrence Berkeley Laboratory
    Publisher Info: California Univ., Berkeley (USA). Lawrence Berkeley Lab.
    Place of Publication: Berkeley, California

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The Fermilab fifteen-foot bubble chamber/two-plane External Muon Identifier (EMI) hybrid detector filled with Ne(47% atomic)-H/sub 2/ is exposed to the quadrupole triplet beam (< E/sub ..nu..//sub ..mu../ > = 89 GeV, < E/sub anti ..nu..//sub ..mu../ > = 60 GeV). In 326,000 pictures there are 10,148 neutrino and 1773 antineutrino charged current events with two-plane EMI muon identification and muon momenta > 4 GeV/c. In this sample there are 55 ..mu../sup -/..mu../sup +/X, 11 ..mu../sup -/..mu../sup -/X and 0 ..mu../sup +/..mu../sup +/X candidates with muon momenta > 4 GeV/c. The like-sign events are consistent with background. The opposite-sign dimuons occur at R/sub ..mu.. ..mu../ = 0.35 +- 0.10% of the single muon rate. The ..nu../sub ..mu../-induced ..mu../sup -/..mu../sup +/ rate is 0.20 +- 0.15% below E/sub nu//sub ..mu../ = 100 GeV and 0.50 +- 0.30% above 100 GeV. In the opposite-sign dimuons there are 10 candidates with an associated V/sup 0/ implying 0.76 +- 0.36 neutral strange particle per opposite-sign dimuon event. The production rate, excess of neutral strange particles, and kinematic distributions of the dimuon events are consistent with the charm model predictions. 56 references.

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Pages: 134

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Dep. NTIS, PC A07/MF A01.

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  • Other Information: Thesis

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  • Report No.: LBL-10035
  • Grant Number: W-7405-ENG-48
  • DOI: 10.2172/5542293 | External Link
  • Office of Scientific & Technical Information Report Number: 5542293
  • Archival Resource Key: ark:/67531/metadc1087261

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  • September 1, 1979

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  • Feb. 10, 2018, 10:06 p.m.

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  • April 24, 2018, 3:43 p.m.

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Orthel, J.L. Dimuon production by high energy neutrinos and antineutrinos in the Fermilab fifteen-foot bubble chamber. [60 and 89 GeV], report, September 1, 1979; Berkeley, California. (https://digital.library.unt.edu/ark:/67531/metadc1087261/: accessed March 20, 2019), University of North Texas Libraries, Digital Library, https://digital.library.unt.edu; crediting UNT Libraries Government Documents Department.