Neutral-Higgs-boson contribution to the electric dipole moment of the neutron

1990 ◽  
Vol 41 (5) ◽  
pp. 1562-1567 ◽  
Author(s):  
G. Valencia
1994 ◽  
Vol 09 (04) ◽  
pp. 327-333 ◽  
Author(s):  
SAJJAD MAHMOOD

In an extension of the standard electroweak model with two-Higgs doublets the electric dipole moment of the top quark is estimated. It is observed that effects of Higgs exchange are significantly enhanced for a neutral Higgs boson lighter than the top quark.


1996 ◽  
Vol 11 (22) ◽  
pp. 1835-1842
Author(s):  
KEN WATANUKI ◽  
ICHIRO OHBA

The neutron electric dipole moment (EDM) is investigated in detail. We assume a phenomenologically successful seesaw-type quark mass matrix. If the neutron EDM is observed at slightly below the present experimental bound (10–26–10–25 e · cm ), we can conclude that there must exist a vector-like quark a little heavier than the heavier neutral Higgs boson, or both of them have equal masses around 1 TeV.


1992 ◽  
Vol 46 (9) ◽  
pp. 3876-3883 ◽  
Author(s):  
D. Chang ◽  
Xiao-Gang He ◽  
W. -Y. Keung ◽  
B. H. J. McKellar ◽  
D. Wyler

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