The constraint on the R-parity violating supersymmetric interactions is discussed in the light of current experimental data of the electric dipole moment of neutron, 129Xe , 205Tl, and 199Hg atoms, and YbF and ThO molecules. To investigate the constraints without relying upon the assumption of the dominance of a particular combination of couplings over all the rest, an extensive use is made of the linear programming method in the scan of the parameter space. We give maximally possible values for the EDMs of the proton, deuteron, 3He nucleus, 211Rn, 225Ra, 210Fr, and the R-correlation of the neutron beta decay within the constraints from the current experimental data of the EDMs of neutron, 129Xe, 205Tl, and 199Hg atoms, and YbF and ThO molecules using the linear programming method. It is found that the R-correlation of the neutron beta decay and hadronic EDMs are very useful observables to constrain definite regions of the parameter space of the R-parity violating supersymmetry.

/pdf/linear-programming-analysis-of-the-r-parity-violation-within-117czr1w8i.pdf

Linear programming analysis of the R-parity violation within EDM-constraints

The constraint on the $R$-parity violating supersymmetric interactions is discussed in the light of current experimental data of the electric dipole moment of neutron, $^{129}$Xe , $^{205}$Tl, and $^{199}$Hg atoms, and YbF and ThO molecules. To investigate the constraints without relying upon the assumption of the dominance of a particular combination of couplings over all the rest, an extensive use is made of the linear programming method in the scan of the parameter space. We give maximally possible values for the EDMs of the proton, deuteron, $^3$He nucleus, $^{211}$Rn, $^{225}$Ra, $^{210}$Fr, and the $R$-correlation of the neutron beta decay within the constraints from the current experimental data of the EDMs of neutron, $^{129}$Xe, $^{205}$Tl, and $^{199}$Hg atoms, and YbF and ThO molecules using the linear programming method. It is found that the $R$-correlation of the neutron beta decay and hadronic EDMs are very useful observables to constrain definite regions of the parameter space of the $R$-parity violating supersymmetry.

/pdf/linear-programming-analysis-of-the-r-parity-violation-within-20v2roaotm.pdf

Linear programming analysis of the $R$-parity violation within EDM-constraints

Heavy quarks, namely, the top and bottom quarks, may show great sensitiveness to new physics effects. In particular, they might have unusually large electric dipole moments. This possibility is analyzed via the corresponding one-loop correction to the neutron electric dipole moment, $d_n$. The current experimental limit on $d_n$ is used then to derive the uppers bounds $|d_t|<3.06\times 10^{-15}$ e-cm, $|d_b|<1.22\times 10^{-13}$ e-cm.

Bounding the top and bottom electric dipole moments from neutron experimental data

In this paper we calculate the one loop contributions to the CP violating three gauge boson couplings in two-Higgs doublet and Left--Right symmetric models. In the two-Higgs doublet model only a P conserving and CP violating coupling is generated, and it can be large as $10^{-3}$. In the Left--Right symmetric model both P conserving and violating couplings are generated. Due to constraints on the $W_L$--$W_R$ mixing, these couplings are small.

CP Violating Form Factors for Three Gauge Boson Vertex in the Two Higgs Doublet and Left-Right symmetric Models

We compute the electric dipole moment (EDM) of the {ital W} boson in the two-Higgs-doublet extension of the standard model. The calculation is performed at two loops with all the relevant Feynman diagrams included. We find that the {ital W}-boson EDM may be as large as 10{sup {minus}21}--10{sup {minus}20}{ital e} cm, for reasonable masses of the top quark and Higgs boson. Our results disagree with previous calculations done by He and McKellar and Vendramin.

Electric dipole moment of the W boson in the two-Higgs-doublet extension of the standard model.

In models where the suppression of the tree level couplings of fermions with Goldstone bosons is not protected by symmetry, the loop-induced couplings can in general dominate over the tree couplings. We demonstrate this by calculating the decay $\nu\to \nu' + \mbox{Majoron}$ in the simplest singlet Majoron model. It is shown that 1-loop contributions can be orders of magnitude bigger than the tree-level result, and hence allows a wide range of interesting values of neutrino mass and mixing to be compatible with cosmological constraints.

Loop-Induced Majoronic Decay of Neutrinos:

https://deepblue.lib.umich.edu/bitstream/handle/2027.42/29327/0000394.pdf;sequence=1

The electric dipole moment of W-boson

Gauge models in which fermion masses are generated radiatively are discussed. Conditions under which it may be achieved naturally are presented. An example of such models is illustrated in the context of SU(2)/sub L/ x SU(2)/sub R/ x U(1) gauge theory.

Radiative-induced fermion masses

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Loop-Induced Majoronic Decay of Neutrinos:

The electric dipole moment of W-boson

Radiative-induced fermion masses