Larger Higgs Exchange Terms in the Neutron Electric Dipole Moment
Nov 6, 198914 pages
Published in:
- Phys.Rev.Lett. 63 (1989) 2333
Report number:
- UTTG-30-89
Citations per year
Abstract: (APS)
The neutron electric dipole moment (dn) due to Higgs-boson exchange is reconsidered, now without assuming that Higgs-boson exchange is solely responsible for KL0→2π. The dominant contribution to dn arises from a three-gluon operator, produced in integrating out top quarks and neutral Higgs bosons. The estimated results together with current experimental bounds on dn show, even for the largest plausible Higgs-boson masses, that CP is not maximally violated in neutral-Higgs-boson exchange.- CP: violation
- n: electric moment
- Higgs particle: exchange
- K0(L): nonleptonic decay
- top
- CKM matrix matrix
- gluon: operator
- quantum chromodynamics
- renormalization group
- Feynman graph: higher-order
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