4,323 research outputs found

    Lepton Flavor Violation at LHC

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    Lepton flavor violation (LFV) within the realm of the Standard Model is forbidden. However recent neutrino experiments strongly suggest neutrino oscillations, giving way to LFV. Beyond SM theories, such as supersymmetry and supergravity also allow LFV. This note reviews the possibility of observing LFV signal in the two general purpose LHC experiments: ATLAS and CMS. It is shown that using the initial LHC luminosity, in about a year, either a discovery can be made or the current LFV limits can be enhanced by an order of magnitude.Comment: for 40th moriond EW conf. proceedings, 7 pages, 3 figure

    Fourth Family Neutrinos and the Higgs Boson

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    We evaluate the LHC discovery potential for the fourth family Standard Model neutrinos in the process ppZ/hν4νˉ4WμWμpp\to Z/h\to\nu_{4}{\bar{\nu}_{4}}\to W\mu W\mu. We show that, depending on their masses, the simultaneous discovery of both the Higgs boson and the heavy neutrinos is probable at early stages of LHC operation. Results are presented for both Majorana and Dirac type fourth family neutrinos.Comment: 12 pages, uses axodraw.sty, v2: includes typo fixes, improved analysis, v4: minor modifications in response to the JHEP refere
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