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Related papers: Constraints on Phases of Supersymmetric Flavour Co…

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We report the first fully general numerical calculation of the neutron and electron dipole moments, including the seven significant phases. We find that there are major regions in the parameter space where none of the phases are required to…

High Energy Physics - Phenomenology · Physics 2016-08-25 Michal Brhlik , Gerald J. Good , G. L. Kane

We study quark and electron EDMs generated by Yukawa couplings in supersymmetric models with different gauge groups, using the EDM properties under flavour transformations. In the MSSM (or if soft terms are mediated below the unification…

High Energy Physics - Phenomenology · Physics 2009-10-09 Andrea Romanino , Alessandro Strumia

We systematically analyze constraints on supersymmetric theories imposed by the experimental bounds on the electron, neutron, and mercury electric dipole moments. We critically reappraise the known mechanisms to suppress the EDMs and…

High Energy Physics - Phenomenology · Physics 2010-05-28 S. Abel , S. Khalil , O. Lebedev

We revisit the calculation of the electron, neutron, and proton electric dipole moments (EDMs) in the constrained minimal supersymmetric standard model (CMSSM). The relatively large mass of the Higgs boson, $m_H \simeq 125$ GeV coupled with…

High Energy Physics - Phenomenology · Physics 2023-04-19 Kunio Kaneta , Natsumi Nagata , Keith A. Olive , Maxim Pospelov , Liliana Velasco-Sevilla

We revisit the electric dipole moments (EDMs) of quarks and leptons in the Minimal Supersymmetric Standard Model (MSSM) with trilinear $R$-parity violation (RPV). In this framework, EDMs are induced at the two-loop level via RPV…

High Energy Physics - Phenomenology · Physics 2026-02-02 Wolfgang Altmannshofer , P. S. Bhupal Dev , Amarjit Soni , Fang Xu

We analyse the dependence of the electron electric dipole moment (EDM) on neutrino CP violating phases in the context of supersymmetric models. We start by studying the supersymmetric contributions to the lepton EDM and lepton flavour…

High Energy Physics - Phenomenology · Physics 2009-11-10 G. C. Branco , D. Delepine , S. Khalil

An analysis of the electric dipole moment (EDM) of the neutron and of the leptons in the minimal supersymmetric standard model (MSSM) with the most general allowed set of CP violating phases without generational mixing is given. The…

High Energy Physics - Phenomenology · Physics 2014-11-17 Tarek Ibrahim , Pran Nath

We analyze the constraints placed on individual, flavor diagonal CP-violating phases in the minimal supersymmetric extension of the Standard Model (MSSM) by current experimental bounds on the electric dipole moments (EDMs) of the neutron,…

High Energy Physics - Phenomenology · Physics 2014-11-21 Yingchuan Li , Stefano Profumo , Michael Ramsey-Musolf

We analyze the effects of CP-violating phases on the electric dipole moment (EDM) of electron and neutron in the constrained minimal supersymmetric model. We find that the phases phi_{\mu} and phi_{A_0} have to be strongly correlated, in…

High Energy Physics - Phenomenology · Physics 2014-11-17 A. Bartl , T. Gajdosik , W. Porod , P. Stockinger , H. Stremnitzer

A fully generic treatment of electric dipole moments (EDMs) is presented in the CP-violating and flavor-conserving weak effective field theory (WET) with five flavors of quarks and three flavors of leptons. We systematically analyze leading…

High Energy Physics - Phenomenology · Physics 2024-06-13 Jacky Kumar , Emanuele Mereghetti

We consider constraints on $\cp$-violating phases in the Constrained Minimal Supersymmetric Standard Model. We find that by combining cosmological limits on gaugino masses with experimental bounds on the neutron and electron electric dipole…

High Energy Physics - Phenomenology · Physics 2009-09-15 Toby Falk , Keith A. Olive

We study the constraints on the CP-violating soft-breaking phases in the minimal supersymmetric standard model using the limits on the chromoelectric dipole moment of the strange quark extracted from the neutron EDM experiment. Our…

High Energy Physics - Phenomenology · Physics 2016-09-06 C. Hamzaoui , M. Pospelov , R. Roiban

We analyze lepton flavour violating transitions, leptonic magnetic dipole moments (MDMs) and electric dipole moments (EDMs) in a class of models characterized by the flavour symmetry A4 x Z3 x U(1)_{FN}, whose choice is motivated by the…

High Energy Physics - Phenomenology · Physics 2008-12-18 Ferruccio Feruglio , Claudia Hagedorn , Yin Lin , Luca Merlo

The searching for the electric dipole moments (EDMs) of neutron ($d_n$), $b$ quark ($d_b$) and $c$ quark ($d_c$) gives strict upper bounds on these quantities. And recently, new upper bounds on $d_b$, $d_c$ are obtained by the strict limit…

High Energy Physics - Phenomenology · Physics 2020-04-10 Jin-Lei Yang , Tai-Fu Feng , Sheng-Kai Cui , Chang-Xin Liu , Wei Li , Hai-Bin Zhang

We derive a strong bound on the chromo-electric dipole moment of the charm quark, and we quantify its impact on models that allow for a sizeable flavour violation in the up quark sector. In particular we show how the constraints coming from…

High Energy Physics - Phenomenology · Physics 2014-05-22 Filippo Sala

We reconsider constraints on $\cp$-violating phases in the Constrained Minimal Supersymmetric Standard Model. We include the recent calculations of Ibrahim and Nath on the chromoelectric and purely gluonic contributions to the quark…

High Energy Physics - Phenomenology · Physics 2009-09-15 Toby Falk , Keith A. Olive

We derive bounds on the electric and chromo-electric dipole moments of the charm quark. The second one turns out to be particularly strong, and we quantify its impact on models that allow for a sizeable flavour violation in the up quark…

High Energy Physics - Phenomenology · Physics 2015-06-18 Filippo Sala

In a previous paper [1], we studied the $\eta'$ mass and formulated its chirally symmetric coupling to fermions which induces electric dipole moment (EDM). Here we calculate the EDM to one-loop. It is finite, having no ultraviolet…

High Energy Physics - Theory · Physics 2012-05-01 A. P. Balachandran , T. R. Govindarajan , Amilcar R. de Queiroz

We analyze the neutron electric dipole moment (EDM) in the Minimal Supersymmetric Model with explicit R-parity violating terms. The leading contribution to the EDM occurs at the 2-loop level and is dominated by the chromoelectric dipole…

High Energy Physics - Phenomenology · Physics 2009-09-01 Darwin Chang , We-Fu Chang , Mariana Frank , Wai-Yee Keung

We perform a quantitative study of the neutron and electron electric dipole moments (EDM) in Supersymmetry, in the limit of heavy scalars. The leading contributions arise at two loops. We give the complete analytic result, including a new…

High Energy Physics - Phenomenology · Physics 2009-11-11 G. F. Giudice , A. Romanino
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