Please use this identifier to cite or link to this item: http://hdl.handle.net/2445/12422
Title: Effective Lagrangian of the two Higgs doublet model
Author: Ciafaloni, P.
Espriu, D. (Domènec)
Keywords: Partícules (Física nuclear)
Interaccions febles (Física nuclear)
Particles (Nuclear physics)
Weak interactions (Nuclear physics)
Issue Date: 1997
Publisher: The American Physical Society
Abstract: We consider the two Higgs doublet model extension of the standard model in the limit where all physical scalar particles are very heavy, too heavy, in fact, to be experimentally produced in forthcoming experiments. The symmetry-breaking sector can thus be described by an effective chiral Lagrangian. We obtain the values of the coefficients of the O(p4) operators relevant to the oblique corrections and investigate to what extent some nondecoupling effects may remain at low energies. A comparison with recent CERN LEP data shows that this model is indistinguishable from the standard model with one doublet and with a heavy Higgs boson, unless the scalar mass splittings are large.
Note: Reproducció digital del document publicat en format paper, proporcionada per PROLA i http://dx.doi.org/10.1103/PhysRevD.56.1752
It is part of: Physical Review D, 1997, vol. 56, núm. 3, p. 1752-1760
URI: http://hdl.handle.net/2445/12422
ISSN: 0556-2821
Appears in Collections:Articles publicats en revistes (Física Quàntica i Astrofísica)

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