Chromoelectric dipole moments of heavy quarks and purely gluonic <i>CP</i> violating operators

Darwin Chang; Thomas W. Kephart; Wai-Yee Keung; Tzu Chiang Yuan

doi:10.1103/PhysRevLett.68.439

Chromoelectric dipole moments of heavy quarks and purely gluonic CP violating operators

Darwin Chang, Thomas W. Kephart, Wai-Yee Keung, and Tzu Chiang Yuan

Phys. Rev. Lett. 68, 439 – Published 27 January 1992

Abstract

We study effects of induced CP-nonconserving effective operators involving the gluon field strength as a result of integrating out the heavy-quark field which carries a chromoelectric dipole moment. The induced gluonic operators of dimension 8 may be the dominant mechanism for generating the neutron electric dipole moment.

Received 21 October 1991

DOI:https://doi.org/10.1103/PhysRevLett.68.439

Authors & Affiliations

Darwin Chang, Thomas W. Kephart, Wai-Yee Keung, and Tzu Chiang Yuan

Department of Physics and Astronomy, Northwestern University, Evanston, Illinois 60208
Fermi National Laboratory, P.O. Box 500, Batavia, Illinois 60510
Department of Physics and Astronomy, Vanderbilt University, Nashville, Tennessee 37235
Department of Physics, University of Illinois at Chicago, Chicago, Illinois 60680