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Quark Model Analysis of the Weinberg Operator Contribution to the Nucleon EDM

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Abstract

The Weinberg operator (chromo-electric dipole moment of gluon) is a CP violating quantity generated in many candidates of new physics beyond the standard model, and it contributes to observables such as the electric dipole moments (EDM) of the neutron or atoms which are currently measured in experiments. In this proceedings contribution, we report on our result of the evaluation of the Weinberg operator contribution to the nucleon EDM in the nonrelativistic quark model using the Gaussian expansion method.

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Authors and Affiliations

  1. Department of physics, Kennesaw State University, Kennesaw, GA, 30144, USA

    Nodoka Yamanaka

  2. Department of physics, Tohoku University, Sendai, 980-8578, Japan

    Emiko Hiyama

Authors
  1. Nodoka Yamanaka
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  2. Emiko Hiyama
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Correspondence to Nodoka Yamanaka.

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Yamanaka, N., Hiyama, E. Quark Model Analysis of the Weinberg Operator Contribution to the Nucleon EDM. Few-Body Syst 62, 27 (2021). https://doi.org/10.1007/s00601-021-01611-6

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  • DOI: https://doi.org/10.1007/s00601-021-01611-6

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