scholarly journals Neutron Electric Dipole Moment from Beyond the Standard Model

2012 ◽  
Author(s):  
Tanmoy Bhattacharya ◽  
Vincenzo Cirigliano ◽  
Rajan Gupta
Keyword(s):  
Dipole Moment ◽  
Standard Model ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Beyond The Standard Model ◽  
Neutron Electric Dipole Moment ◽  
The Standard Model

scholarly journals SEARCHING FOR NEW PHYSICS BEYOND THE STANDARD MODEL IN ELECTRIC DIPOLE MOMENT

2012 ◽  
Vol 27 (16) ◽  
pp. 1230015 ◽  
Author(s):  
TAKESHI FUKUYAMA
Keyword(s):  
Dipole Moment ◽  
Standard Model ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
New Physics ◽  
Beyond The Standard Model ◽  
Atoms And Molecules ◽  
Wide Range ◽  
The Standard Model ◽  
Atomic And Molecular Physics

This is a theoretical review of exploration of new physics beyond the Standard Model (SM) in the electric dipole moment (EDM) in elementary particles, atoms and molecule. EDM is a very important CP violating phenomenon and sensitive to new physics. Starting with the estimations of EDM of quarks–leptons in SM, we explore new signals beyond SM. However, these works drive us to wider frontiers where we search fundamental physics using atoms and molecules and vice versa. Paramagnetic atoms and molecules have great enhancement factor on electron EDM. Diamagnetic atoms and molecules are very sensitive to nuclear P and T odd processes. Thus EDM becomes the keyword not only of New Physics but also of unprecedented fruitful collaborations among particle, atomic and molecular physics. This review intends to help such collaborations over a wide range of physicists.

ELECTRIC DIPOLE MOMENT OF THE NEUTRON IN THE STANDARD MODEL FROM DYNAMICAL BREAKING OF CHIRAL SYMMETRY

1991 ◽  
Vol 06 (12) ◽  
pp. 1095-1101
Author(s):  
H. BANERJEE ◽  
D. CHATTERJEE ◽  
R. BANERJEE
Keyword(s):  
Dipole Moment ◽  
Standard Model ◽  
Chiral Symmetry ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Higgs Sector ◽  
Neutron Electric Dipole Moment ◽  
Potential Source ◽  
The Standard Model ◽  
Dynamical Breaking

Dynamical breaking of chiral symmetry in QCD is a potential source of CP violation in the flavor diagonal Higgs sector of the standard model and can lead to a neutron electric dipole moment of the size reported in recent experiments, provided the mass of the Higgs is constrained by m H ≲42 GeV .

scholarly journals NEUTRON ELECTRIC DIPOLE MOMENT EXPERIMENTS

2008 ◽  
Vol 23 (17n20) ◽  
pp. 1397-1408 ◽  
Author(s):  
JEN-CHIEH PENG
Keyword(s):  
Dipole Moment ◽  
Electric Dipole Moment ◽  
Superfluid Helium ◽  
Electric Dipole ◽  
Beyond The Standard Model ◽  
Neutron Electric Dipole Moment ◽  
Cold Neutrons ◽  
The Standard Model ◽  
The Status ◽  
History Of

The neutron electric dipole moment (EDM) provides unique information on CP violation and physics beyond the Standard Model. We first review the history of experimental searches for neutron electric dipole moment. The status of future neutron EDM experiments, including experiments using ultra-cold neutrons produced in superfluid helium, will then be presented.

scholarly journals Rare CP-violated η and η′ meson decays and neutron EDM.

2018 ◽  
Vol 191 ◽  
pp. 02003
Author(s):  
Alexey S. Zhevlakov ◽  
Mikhail Gorchtein ◽  
Astrid N. Hiller Blin ◽  
Valery E. Lyubovitskij
Keyword(s):  
Dipole Moment ◽  
Standard Model ◽  
Electric Dipole Moment ◽  
Electric Dipole ◽  
Beyond The Standard Model ◽  
Meson Decays ◽  
Upper Limit ◽  
Upper Limits ◽  
The Standard Model

The data for the upper limit on the electric dipole moment of the neutron (nEDM) can be explained by using different mechanisms beyond the Standard Model (SM). The nEDM can be generated by a CP-violating transition of η and η′ mesons into pion pairs. We derive the upper limits for the rates of the CP-violating decays η(η′) → 2π are by orders of magnitude more stringent than those from existing experiments so far.

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