Stueckelberg Mechanism and Chiral Lagrangian for $Z'$ Boson

Details Stueckelberg Mechanism and Chiral Lagrangian for $Z'$ Boson Stueckelberg Mechanism and Chiral Lagrangian for $Z'$ Boson

2008-03-09

arxiv.org/abs/0803.1275v1

JHEP 0803:047,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

23 pages

Scientific paper

10.1088/1126-6708/2008/03/047

Traditional Stueckelberg Mechanism is shown equivalent to set up a gauged U(1) chiral Lagrangian and fix special gauge. With this mechanism, the original electro-weak chiral Lagrangian is inlarged by including an extra U(1) symmetry to represent physics for $Z'$ boson. We build up complete list of electro-weak chiral Lagrangian up to order of $p^4$ including $Z'$ and higgs bosons. The most general mixing among neutral gauge bosons is diagonalized completely and the connections among these operators to triple, quartic couplings involving $Z'$ boson and to that in traditional electro-weak chiral Lagrangian are made.

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