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Journal Articles Annals of Physics Year : 2013

The Effective Chiral Lagrangian From Dimension-Six Parity and Time-Reversal Violation

J. de Vries
  • Function : Author
E. Mereghetti
  • Function : Author
R. G. E. Timmermans
  • Function : Author

Abstract

We classify the parity- and time-reversal-violating operators involving quark and gluon fields that have effective dimension six: the quark electric dipole moment, the quark and gluon chromo-electric dipole moments, and four four-quark operators. We construct the effective chiral Lagrangian with hadronic and electromagnetic interactions that originate from them and serves as the basis for calculations of low-energy observables. The form of the effective interactions depends on the chiral properties of these operators. We develop a power-counting scheme and calculate within this scheme, as an example, the parity- and time-reversal-violating pion-nucleon form factor. We also discuss the electric dipole moments of the nucleon and light nuclei.

Dates and versions

in2p3-00794602 , version 1 (26-02-2013)

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J. de Vries, E. Mereghetti, R. G. E. Timmermans, U. van Kolck. The Effective Chiral Lagrangian From Dimension-Six Parity and Time-Reversal Violation. Annals of Physics, 2013, 338, pp.50-96. ⟨10.1016/j.aop.2013.05.022⟩. ⟨in2p3-00794602⟩
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