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The Measurement of the Number of Light Neutrino Species at LEP
Within weeks of the start of the data taking at the LEP accelerator, the ALEPH, DELPHI, L3 and OPAL experiments were able to confirm the existence of just three light neutrino species. This measurement relies on the Standard Model relation between the ‘invisible’ width of the Z-boson and the cross-s...
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Lenguaje: | eng |
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2015
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Acceso en línea: | https://dx.doi.org/10.1142/9789814644150_0004 http://cds.cern.ch/record/2103251 |