On the mesonic Lagrangian of order p^6 in chiral SU(2)

Christoph Haefeli; Gerhard Ecker; Martin Schmid; Mikhail A. Ivanov

arxiv: 0705.0576 · v1 · submitted 2007-05-04 · ✦ hep-ph

On the mesonic Lagrangian of order p⁶ in chiral SU(2)

Christoph Haefeli , Mikhail A. Ivanov , Martin Schmid , Gerhard Ecker This is my paper

classification ✦ hep-ph

keywords chirallagrangianmesonicoperatorsorderrelationbrieflydiscuss

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We show that the number of operators in the presently known mesonic chiral Lagrangian of order p^6 in the two-flavour sector can be reduced by at least one from 57 to 56 by providing an explicit relation among the operators. We briefly discuss the relevance of this new relation.

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On the mesonic Lagrangian of order p⁶ in chiral SU(2)

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