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01552 am a22002413u 4500 |
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|a Bettinelli, D.
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|a Massachusetts Institute of Technology. Center for Theoretical Physics
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|a Massachusetts Institute of Technology. Department of Physics
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|a Massachusetts Institute of Technology. Laboratory for Nuclear Science
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|a Ferrari, Ruggero
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|a Ferrari, Ruggero
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|a Ferrari, Ruggero
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|a Quadri, A.
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|a One-loop self-energies in the electroweak model with a nonlinearly realized gauge group
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|b American Physical Society,
|c 2010-03-02T15:08:14Z.
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|z Get fulltext
|u http://hdl.handle.net/1721.1/51876
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|a We evaluate at one loop the self-energies for the W, Z mesons in the electroweak model where the gauge group is nonlinearly realized. In this model the Higgs boson parameters are absent, while a second mass parameter appears together with a scale for the radiative corrections. We estimate these parameters in a simplified fit on leptons and gauge bosons data. We check physical unitarity and the absence of infrared divergences. Landau gauge is used. As a reference for future higher order computations, the regularized D-dimensional amplitudes are provided. Eventually the limit D→4 is taken on physical amplitudes.
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|a U.S. Department of Energy
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|a Article
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|t Physical Review D
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