Bounds on "charginos nearly degenerate with the lightest neutralino" mass from precision measurements
classification
✦ hep-ph
keywords
massdegeneratelightestnearlyneutralinoprecisionaboveanalytical
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read the original abstract
Though LEP II direct searches still cannot exclude a chargino nearly degenerate with the lightest neutralino if its mass is only slightly above half of the Z boson mass and the sneutrino is light, it can be excluded indirectly analyzing precision data. In this particular limit simple analytical formulas for oblique electroweak radiative corrections are presented.
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