2 research outputs found
Effects of CP Violation on Event Rates in the Direct Detection of Dark Matter
A full analytic analysis of the effects of CP violating phases on the event
rates in the direct detection of dark matter in the scattering of neutralinos
from nuclear targets is given. The analysis includes CP violating phases in
softly broken supersymmetry in the framework of the minimal supersymmetric
standard model (MSSM) when generational mixings are ignored. A numerical
analysis shows that large CP violating phases including the constraints from
the experimental limits on the neutron and the electron electric dipole moment
(EDM) can produce substantial effects on the event rates in dark matter
detectors.Comment: 17 pages, LaTex, including 2 figures; revised version to appear in
the Physical Review
CP violation in the process and supersymmetric grand unified theory
A triple vector correlation in the decay with
polarized muons is investigated as a probe to CP violating coupling constants
in supersymmetric models. A sizable triple correlation can be induced due to a
complex phase in the supersymmetric soft-breaking terms in the SU(5) grand
unified theory. Correlation with the electric dipole moments of electron and
neutron are investigated and it is shown that these quantities give independent
information on possible CP violating sources.Comment: 11 pages, 6 figures. Fig.2(a), fig.2(b) and fig.3 are changed due to
an error of our numerical calculation but main conclusion unchanged. Also
added some discussions and figures of the neutron EDM. Version to appear in
Physical Review D, Rapid Communication