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

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.
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http://hal.in2p3.fr/in2p3-00794602
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Submitted on : Tuesday, February 26, 2013 - 11:06:21 AM
Last modification on : Wednesday, September 16, 2020 - 4:08:32 PM

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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, Elsevier Masson, 2013, 338, pp.50-96. ⟨10.1016/j.aop.2013.05.022⟩. ⟨in2p3-00794602⟩

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