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Transverse spin asymmetries at the EIC as a probe of anomalous electric and magnetic dipole moments
We show that inclusive single-spin asymmetries (SSAs) with transversely polarized protons or electrons at a future electron ion collider (EIC) are sensitive to new physics contributions to electroweak dipole operators of electrons and quarks. We use the Standard Model Effective Field Theory (SMEFT) to parametrize possible heavy new physics contributions …