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Massive vector scattering in Lee-Wick gauge theory

Grinstein, Benjamín and O'Connell, Donal and Wise, Mark B. (2008) Massive vector scattering in Lee-Wick gauge theory. Physical Review D, 77 (6). Art. No. 065010. ISSN 2470-0010. doi:10.1103/PhysRevD.77.065010.

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We demonstrate that amplitudes describing scattering of longitudinally polarized massive vector bosons present in non-Abelian Lee-Wick gauge theory do not grow with energy and, hence, satisfy the constraints imposed by perturbative unitarity. This result contrasts with the widely known violation of perturbative unitarity in the standard model with a very heavy Higgs boson. Our conclusions are valid to all orders of perturbation theory and depend on the existence of a formulation of the theory in which all operators are of dimension four or less. This can be thought of as a restriction on the kinds of higher dimension operator which can be included in the higher derivative formulation of the theory.

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Additional Information:©2008 The American Physical Society. (Received 18 December 2007; published 7 March 2008) We thank Nima Arkani-Hamed for discussions that lead to this paper. The work of B.G., D.O.C., and M.B.W. was supported in part by the U.S. Department of Energy under Contracts No. DE-FG03-97ER40546, No. DE-FG02-90ER40542, and No. DE-FG03-92ER40701, respectively.
Issue or Number:6
Record Number:CaltechAUTHORS:GRIprd08b
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Usage Policy:No commercial reproduction, distribution, display or performance rights in this work are provided.
ID Code:9718
Deposited By: Archive Administrator
Deposited On:10 Mar 2008
Last Modified:08 Nov 2021 21:01

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