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29 March 2024
 
  » arxiv » hep-lat/9211065

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The S, U and Delta ho parameters in the Zaragoza proposal for lattice chiral gauge fermions
Jose Luis Alonso ; Philippe Boucaud ; Jose Luis Cortes ; Felipe Lesmes ; Elena Rivas ;
Date 28 Nov 1992
Journal Nucl.Phys. B407 (1993) 373-386
Subject hep-lat
AbstractUsing the Zaragoza proposal for lattice chiral gauge fermions, the S, U and Delta ho parameters have been calculated at one loop. It is shown that the continuum values for these quantities can be reproduced without requiring explicit fine tuning of counterterms. Furthermore, fermion fields doubling is not necessary. To the best of our knowledge, the Zaragoza proposal is the only scheme which has these properties. A necessary (although not sufficient) symmetry is found to support the calculations. Previous results for some of these parameters in other lattice chiral regularizations are revisited in the light of this symmetry.
Source arXiv, hep-lat/9211065
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