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Neutron EDM from Electric and Chromoelectric Dipole Moments of Quarks

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arxiv hep-ph/0010037 v2 pith:YZGDDVIC submitted 2000-10-05 hep-ph nucl-th

Maxim Pospelov , Adam Ritz This is my paper
classification hep-phnucl-th
keywords dipoleelectricmomentsquarktildechromoelectricinducedneutron
verification ladder T0 review T1 audit T2 compute T3 formal
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Using QCD sum rules, we calculate the electric dipole moment of the neutron d_n induced by all CP violating operators up to dimension five. We find that the chromoelectric dipole moments of quarks \tilde d_i, including that of the strange quark, provide significant contributions comparable in magnitude to those induced by the quark electric dipole moments d_i. When the theta term is removed via the Peccei-Quinn symmetry, the strange quark contribution is also suppressed and d_n =(1\pm 0.5)[1.1e(\tilde d_d + 0.5\tilde d_u)+1.4(d_d-0.25d_u)].

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Cited by 4 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score.

  1. The Neutron Electric Dipole Moment from Lattice QCD using a Background Electric Field

    hep-lat 2026-07 conditional novelty 7.0 of 10

    Using background electric fields, local topological charge, and non-Hermitian GEVP, lattice QCD yields dn = -0.0050(4)stat(8)sys θ-bar e fm at the physical point.

  2. The EDM inverse problem: Identifying the sources of CP violation and PQ breaking with electric dipole moments

    hep-ph 2026-04 unverdicted novelty 5.0 of 10

    Six classes of CP-violating operators near the QCD scale produce distinct EDM patterns that enable discrimination of their origins and distinguish high-scale versus low-energy sources of the axion vacuum expectation value.

  3. The EDM inverse problem: Identifying the sources of CP violation and PQ breaking with electric dipole moments

    hep-ph 2026-04 unverdicted novelty 4.0 of 10

    Six classes of CP-violating operators near the QCD scale produce distinct EDM patterns that enable discrimination of their origins and can distinguish high-scale versus low-scale sources of axion VEV.

  4. The theory of electric dipole moments: the view from below

    hep-ph 2026-07 unverdicted novelty 2.0 of 10

    A bottom-up review organizing the theory of EDMs from quark-gluon CP violation via chiral perturbation theory and structure calculations, with emphasis on paramagnetic system sensitivity to hadronic sources.

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