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Showing 1 to 2 of 2 for “"heavy leptons"”.
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A search for heavy leptons using a differential Cherenkov counter
A search for heavy leptons has been performed at the Brookhaven National Laboratory Alternating Gradient Synchrotron. Particular emphasis has been placed on the possible existence of leptons with mass slightly less than the K meson mass. The experiment used a high resolution differential Cherenkov …
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Beyond the Standard Model: New scalars and new leptons
… multi-Higgs extension, and the fourth generation leptons.;In multi-Higgs-boson extensions of the standard model, tree-level flavor-changing neutral currents exist naturally. It is often believed that the presence of the tree-level FCNC in this model is fatal, unless a discrete symmetry is added, …