Evidence for neutrino oscillations from muon decay at rest
A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events...
Ausführliche Beschreibung
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Enthalten in: Physical review / C - Woodbury, NY : Inst., 1970, 54(1996), 5, Seite 2685-2708 |
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volume:54 ; year:1996 ; number:5 ; pages:2685-2708 ; extent:24 |
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520 | |a A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. | ||
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700 | 1 | |a Imlay, R. |4 oth | |
700 | 1 | |a Johnston, K. |4 oth | |
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700 | 1 | |a Louis, W. C. |4 oth | |
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(DE-627)NLEJ249741237 (DE-601)aps:3de18fcb366e155d0ba529cca3c5bea2950636c9 DE-627 ger DE-627 rakwb Evidence for neutrino oscillations from muon decay at rest 1996 Online-Ressource 24 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. APS Digital Backfile Archive 1893-2003 Athanassopoulos, C. oth Auerbach, L. B. oth Burman, R. L. oth Cohen, I. oth Caldwell, D. O. oth Dieterle, B. D. oth Donahue, J. B. oth Eisner, A. M. oth Fazely, A. oth Federspiel, F. J. oth Garvey, G. T. oth Gray, M. oth Gunasingha, R. M. oth Imlay, R. oth Johnston, K. oth Kim, H. J. oth Louis, W. C. oth Majkic, R. oth Margulies, J. oth McIlhany, K. oth Metcalf, W. oth Mills, G. B. oth Reeder, R. A. oth Sandberg, V. oth Smith, D. oth Stancu, I. oth Strossman, W. oth Tayloe, R. oth VanDalen, G. J. oth Vernon, W. oth Wadia, N. oth Waltz, J. oth Wang, Y-X. oth White, D. H. oth Works, D. oth Xiao, Y. oth Yellin, S. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 54(1996), 5, Seite 2685-2708 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:54 year:1996 number:5 pages:2685-2708 extent:24 https://www.tib.eu/de/suchen/id/aps%3A3de18fcb366e155d0ba529cca3c5bea2950636c9 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 54 1996 5 2685-2708 24 |
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(DE-627)NLEJ249741237 (DE-601)aps:3de18fcb366e155d0ba529cca3c5bea2950636c9 DE-627 ger DE-627 rakwb Evidence for neutrino oscillations from muon decay at rest 1996 Online-Ressource 24 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. APS Digital Backfile Archive 1893-2003 Athanassopoulos, C. oth Auerbach, L. B. oth Burman, R. L. oth Cohen, I. oth Caldwell, D. O. oth Dieterle, B. D. oth Donahue, J. B. oth Eisner, A. M. oth Fazely, A. oth Federspiel, F. J. oth Garvey, G. T. oth Gray, M. oth Gunasingha, R. M. oth Imlay, R. oth Johnston, K. oth Kim, H. J. oth Louis, W. C. oth Majkic, R. oth Margulies, J. oth McIlhany, K. oth Metcalf, W. oth Mills, G. B. oth Reeder, R. A. oth Sandberg, V. oth Smith, D. oth Stancu, I. oth Strossman, W. oth Tayloe, R. oth VanDalen, G. J. oth Vernon, W. oth Wadia, N. oth Waltz, J. oth Wang, Y-X. oth White, D. H. oth Works, D. oth Xiao, Y. oth Yellin, S. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 54(1996), 5, Seite 2685-2708 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:54 year:1996 number:5 pages:2685-2708 extent:24 https://www.tib.eu/de/suchen/id/aps%3A3de18fcb366e155d0ba529cca3c5bea2950636c9 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 54 1996 5 2685-2708 24 |
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(DE-627)NLEJ249741237 (DE-601)aps:3de18fcb366e155d0ba529cca3c5bea2950636c9 DE-627 ger DE-627 rakwb Evidence for neutrino oscillations from muon decay at rest 1996 Online-Ressource 24 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. APS Digital Backfile Archive 1893-2003 Athanassopoulos, C. oth Auerbach, L. B. oth Burman, R. L. oth Cohen, I. oth Caldwell, D. O. oth Dieterle, B. D. oth Donahue, J. B. oth Eisner, A. M. oth Fazely, A. oth Federspiel, F. J. oth Garvey, G. T. oth Gray, M. oth Gunasingha, R. M. oth Imlay, R. oth Johnston, K. oth Kim, H. J. oth Louis, W. C. oth Majkic, R. oth Margulies, J. oth McIlhany, K. oth Metcalf, W. oth Mills, G. B. oth Reeder, R. A. oth Sandberg, V. oth Smith, D. oth Stancu, I. oth Strossman, W. oth Tayloe, R. oth VanDalen, G. J. oth Vernon, W. oth Wadia, N. oth Waltz, J. oth Wang, Y-X. oth White, D. H. oth Works, D. oth Xiao, Y. oth Yellin, S. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 54(1996), 5, Seite 2685-2708 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:54 year:1996 number:5 pages:2685-2708 extent:24 https://www.tib.eu/de/suchen/id/aps%3A3de18fcb366e155d0ba529cca3c5bea2950636c9 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 54 1996 5 2685-2708 24 |
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(DE-627)NLEJ249741237 (DE-601)aps:3de18fcb366e155d0ba529cca3c5bea2950636c9 DE-627 ger DE-627 rakwb Evidence for neutrino oscillations from muon decay at rest 1996 Online-Ressource 24 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. APS Digital Backfile Archive 1893-2003 Athanassopoulos, C. oth Auerbach, L. B. oth Burman, R. L. oth Cohen, I. oth Caldwell, D. O. oth Dieterle, B. D. oth Donahue, J. B. oth Eisner, A. M. oth Fazely, A. oth Federspiel, F. J. oth Garvey, G. T. oth Gray, M. oth Gunasingha, R. M. oth Imlay, R. oth Johnston, K. oth Kim, H. J. oth Louis, W. C. oth Majkic, R. oth Margulies, J. oth McIlhany, K. oth Metcalf, W. oth Mills, G. B. oth Reeder, R. A. oth Sandberg, V. oth Smith, D. oth Stancu, I. oth Strossman, W. oth Tayloe, R. oth VanDalen, G. J. oth Vernon, W. oth Wadia, N. oth Waltz, J. oth Wang, Y-X. oth White, D. H. oth Works, D. oth Xiao, Y. oth Yellin, S. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 54(1996), 5, Seite 2685-2708 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:54 year:1996 number:5 pages:2685-2708 extent:24 https://www.tib.eu/de/suchen/id/aps%3A3de18fcb366e155d0ba529cca3c5bea2950636c9 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 54 1996 5 2685-2708 24 |
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(DE-627)NLEJ249741237 (DE-601)aps:3de18fcb366e155d0ba529cca3c5bea2950636c9 DE-627 ger DE-627 rakwb Evidence for neutrino oscillations from muon decay at rest 1996 Online-Ressource 24 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. APS Digital Backfile Archive 1893-2003 Athanassopoulos, C. oth Auerbach, L. B. oth Burman, R. L. oth Cohen, I. oth Caldwell, D. O. oth Dieterle, B. D. oth Donahue, J. B. oth Eisner, A. M. oth Fazely, A. oth Federspiel, F. J. oth Garvey, G. T. oth Gray, M. oth Gunasingha, R. M. oth Imlay, R. oth Johnston, K. oth Kim, H. J. oth Louis, W. C. oth Majkic, R. oth Margulies, J. oth McIlhany, K. oth Metcalf, W. oth Mills, G. B. oth Reeder, R. A. oth Sandberg, V. oth Smith, D. oth Stancu, I. oth Strossman, W. oth Tayloe, R. oth VanDalen, G. J. oth Vernon, W. oth Wadia, N. oth Waltz, J. oth Wang, Y-X. oth White, D. H. oth Works, D. oth Xiao, Y. oth Yellin, S. oth Enthalten in Physical review / C Woodbury, NY : Inst., 1970 54(1996), 5, Seite 2685-2708 Online-Ressource (DE-627)NLEJ24823787X (DE-600)1461161-2 1089-490X nnns volume:54 year:1996 number:5 pages:2685-2708 extent:24 https://www.tib.eu/de/suchen/id/aps%3A3de18fcb366e155d0ba529cca3c5bea2950636c9 Verlag Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-APS GBV_NL_ARTICLE AR 54 1996 5 2685-2708 24 |
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Athanassopoulos, C. @@oth@@ Auerbach, L. B. @@oth@@ Burman, R. L. @@oth@@ Cohen, I. @@oth@@ Caldwell, D. O. @@oth@@ Dieterle, B. D. @@oth@@ Donahue, J. B. @@oth@@ Eisner, A. M. @@oth@@ Fazely, A. @@oth@@ Federspiel, F. J. @@oth@@ Garvey, G. T. @@oth@@ Gray, M. @@oth@@ Gunasingha, R. M. @@oth@@ Imlay, R. @@oth@@ Johnston, K. @@oth@@ Kim, H. J. @@oth@@ Louis, W. C. @@oth@@ Majkic, R. @@oth@@ Margulies, J. @@oth@@ McIlhany, K. @@oth@@ Metcalf, W. @@oth@@ Mills, G. B. @@oth@@ Reeder, R. A. @@oth@@ Sandberg, V. @@oth@@ Smith, D. @@oth@@ Stancu, I. @@oth@@ Strossman, W. @@oth@@ Tayloe, R. @@oth@@ VanDalen, G. J. @@oth@@ Vernon, W. @@oth@@ Wadia, N. @@oth@@ Waltz, J. @@oth@@ Wang, Y-X. @@oth@@ White, D. H. @@oth@@ Works, D. @@oth@@ Xiao, Y. @@oth@@ Yellin, S. @@oth@@ |
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evidence for neutrino oscillations from muon decay at rest |
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Evidence for neutrino oscillations from muon decay at rest |
abstract |
A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. |
abstractGer |
A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. |
abstract_unstemmed |
A search for ν¯μ→ν¯e oscillations has been conducted at the Los Alamos Meson Physics Facility using ν¯μ from μ+ decay at rest. The ν¯e are detected via the reaction ν¯ep→e+n, correlated with the 2.2 MeV γ from np→dγ. The use of tight cuts to identify e+ events with correlated γ rays yields 22 events with e+ energy between 36 and 60 MeV and only 4.6±0.6 background events. The probability that this excess is due entirely to a statistical fluctuation is 4.1×10-8. A χ2 fit to the entire e+ sample results in a total excess of 51.0-19.5+20.2±8.0 events with e+ energy between 20 and 60 MeV. If attributed to ν¯μ→ν¯e oscillations, this corresponds to an oscillation probability (averaged over the experimental energy and spatial acceptance) of (0.31±0.12±0.05)%. © 1996 The American Physical Society. |
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Evidence for neutrino oscillations from muon decay at rest |
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Athanassopoulos, C. Auerbach, L. B. Burman, R. L. Cohen, I. Caldwell, D. O. Dieterle, B. D. Donahue, J. B. Eisner, A. M. Fazely, A. Federspiel, F. J. Garvey, G. T. Gray, M. Gunasingha, R. M. Imlay, R. Johnston, K. Kim, H. J. Louis, W. C. Majkic, R. Margulies, J. McIlhany, K. Metcalf, W. Mills, G. B. Reeder, R. A. Sandberg, V. Smith, D. Stancu, I. Strossman, W. Tayloe, R. VanDalen, G. J. Vernon, W. Wadia, N. Waltz, J. Wang, Y-X. White, D. H. Works, D. Xiao, Y. Yellin, S. |
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Athanassopoulos, C. Auerbach, L. B. Burman, R. L. Cohen, I. Caldwell, D. O. Dieterle, B. D. Donahue, J. B. Eisner, A. M. Fazely, A. Federspiel, F. J. Garvey, G. T. Gray, M. Gunasingha, R. M. Imlay, R. Johnston, K. Kim, H. J. Louis, W. C. Majkic, R. Margulies, J. McIlhany, K. Metcalf, W. Mills, G. B. Reeder, R. A. Sandberg, V. Smith, D. Stancu, I. Strossman, W. Tayloe, R. VanDalen, G. J. Vernon, W. Wadia, N. Waltz, J. Wang, Y-X. White, D. H. Works, D. Xiao, Y. Yellin, S. |
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