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The Lee-Wick standard model

Wise, Mark B. (2010) The Lee-Wick standard model. International Journal of Modern Physics A, 25 (2-3). pp. 587-596. ISSN 0217-751X. doi:10.1142/S0217751X10048871.

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This article reviews some recent work on a version of the standard model (the Lee-Wick standard model) that contains higher derivative kinetic terms that improve the convergence of loop diagrams removing the quadratic divergence in the Higgs boson mass. Naively higher derivative theories of this type are not acceptable since the higher derivative terms either cause instabilities (from negative energies) or a loss of unitarity (from negative norm states). Lee and Wick provided an interpretation for such theories arguing that theories with higher derivative kinetic terms can be unitary and stable if the states associated with the massive propagator poles, that arise from the higher derivatives, have widths and hence decay and are not in the spectrum of the theory.

Item Type:Article
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Additional Information:© 2010 World Scientific Publishing Company.
Group:Caltech Theory
Subject Keywords:Higher derivative; Lee-Wick
Issue or Number:2-3
Record Number:CaltechAUTHORS:20100301-104059728
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:17616
Deposited By: Tony Diaz
Deposited On:10 Mar 2010 18:19
Last Modified:08 Nov 2021 23:37

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