Redundancy of the off-shell parameters in chiral effective field theory with explicit spin-3/2 degrees of freedom

Details Redundancy of the off-shell parameters in chiral effective field theory with explicit spin-3/2 degrees of freedom Redundancy of the off-shell parameters in chiral effective field theory with explicit spin-3/2 degrees of freedom

2009-05-17

arxiv.org/abs/0905.2744v1

Phys.Lett.B683:222-228,2010

Physics

High Energy Physics

High Energy Physics - Theory

7 pages

Scientific paper

10.1016/j.physletb.2009.12.023

In this note we prove to all orders in the small scale expansion that all
off-shell parameters which appear in the chiral effective Lagrangian with
explicit Delta(1232) isobar degrees of freedom can be absorbed into
redefinitions of certain low-energy constants and are therefore redundant.

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