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Related papers: A Predictive Seesaw Scenario for EDMs

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The electric dipole moment (EDM) of electron is studied in the supersymmetric $\rm A_4$ modular invariant theory of flavors with CP invariance. The CP symmetry of the lepton sector is broken by fixing the modulus $\tau$. Lepton mass…

High Energy Physics - Phenomenology · Physics 2021-11-10 Morimitsu Tanimoto , Kei Yamamoto

The predicted Standard Model (SM) electric dipole moments (EDMs) of electrons and quarks are tiny, providing an important window to observe new physics. Theories beyond the SM typically allow relatively large EDMs. The EDMs depend on the…

High Energy Physics - Phenomenology · Physics 2014-06-02 Sebastian A. R. Ellis , Gordon L. Kane

In supersymmetric theories the radiative corrections due to heavy states could leave their footprints in the flavour structure of the supersymmetry breaking masses. We investigate whether present and future searches for the muon and…

High Energy Physics - Phenomenology · Physics 2014-11-17 Isabella Masina

We calculate the electric dipole moments (EDMs) of three-nucleon systems at leading order in pionless effective field theory. The one-body contributions that arise from permanent proton and neutron EDMs and the two-body contributions that…

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 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

We demonstrate that electric dipole moments (EDMs) strongly constrain possible SUSY contributions to the CP asymmetries of B processes; LL and/or RR flavour mixings between second and third generations are severely restricted by the…

High Energy Physics - Phenomenology · Physics 2014-11-18 S. Abel , S. Khalil

The Standard Model (SM) predictions for the hadronic electric dipole moments (EDMs) are well far from the present experimental resolutions, thus, the EDMs represent very clean probes of New Physics (NP) effects. Especially, within an MSSM…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. Hisano , M. Nagai , P. Paradisi

The electric dipole moment of the muon (d_mu) is evaluated in supersymmetric models with nonzero neutrino masses and large neutrino mixing arising from the seesaw mechanism. It is found that if the seesaw mechanism is embedded in the…

High Energy Physics - Phenomenology · Physics 2009-10-31 K. S. Babu , B. Dutta , R. N. Mohapatra

We study if a sizeable muon electric dipole can arise in supersymmetric frameworks able to account for the tight experimental bounds on sfermion masses, like an appropriate flavor symmetry, or like a flavor-blind mechanism of SUSY breaking…

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

In the framework of the minimal supersymmetric model extension with new scalar triplets and singlet (TNMSSM), we analyze the electric dipole moment (EDM) of neutron ($d_n$), electron EDM($d_e$), the mercury EDM($d_{Hg}$), $b$ quark ($d_b$)…

High Energy Physics - Phenomenology · Physics 2025-02-06 Qing-hua Li , Jin-Lei Yang , Xiang Yang , Tai-Fu Feng

The triplet or type-II seesaw mechanism is the simplest way to endow neutrinos with mass in the Standard Model (SM). Here we review its associated theory and phenomenology, including restrictions from $S$, $T$, $U$ parameters, neutrino…

High Energy Physics - Phenomenology · Physics 2022-06-01 Sanjoy Mandal , O. G. Miranda , G. Sanchez Garcia , J. W. F. Valle , Xun-Jie Xu

A non-universal anomaly free $U(1)_{X}$ extension to the Minimal Supersymmetric Standard Model, consisting of four scalar doublets, four scalar singlets and additional quark and lepton singlets including right-handed and Majorana neutrinos,…

High Energy Physics - Phenomenology · Physics 2021-03-04 J. S. Alvarado , R. Martinez

We show that in supersymmetric models with a gauged flavor symmetry explaining the hierarchy of fermion masses and mixings, the electron, muon, neutron and the deuteron acquire sizable electric dipole moments (EDM) through loop diagrams…

High Energy Physics - Phenomenology · Physics 2009-11-10 K. S. Babu , Ts. Enkhbat

Permanent electric dipole moments (EDMs) violate parity and time reversal symmetry. Within the Standard Model (SM) they are many orders of magnitude below present experimental sensitivity. Many extensions of the SM predict much larger EDMs,…

High Energy Physics - Experiment · Physics 2012-04-12 Gerco Onderwater

Electric dipole moments constitute highly sensitive probes for CP-violating effects beyond the Standard Model. The upper limits obtained in various precision experiments can therefore be used to strongly restrict new physics models.…

High Energy Physics - Phenomenology · Physics 2014-05-27 Martin Jung

We perform a global fit using results of searches for electric dipole moments (EDM) of diamagnetic systems within the context of the minimal left-right symmetric model. In this way, we disentangle the new "left-right" electroweak and…

High Energy Physics - Phenomenology · Physics 2021-02-17 Michael J. Ramsey-Musolf , Juan Carlos Vasquez

We study the phenomenology of electric dipole moments (EDMs) induced in various scalar leptoquark models. We consider generic leptoquark couplings to quarks and leptons and match to Standard Model effective field theory. After evolving the…

High Energy Physics - Phenomenology · Physics 2019-01-24 W. Dekens , J. de Vries , M. Jung , K. K. Vos

The electric dipole moments (EDMs) of electron and nucleons are promising probes of the new physics. In generic high-scale supersymmetric (SUSY) scenarios such as models based on mixture of the anomaly and gauge mediations, gluino has an…

High Energy Physics - Phenomenology · Physics 2015-11-20 Junji Hisano , Daiki Kobayashi , Wataru Kuramoto , Takumi Kuwahara

We present the contributions to electric dipole moments (EDMs) induced by the Yukawa couplings of an additional electroweak doublet of colour-octet scalars. The full set of one-loop diagrams and the enhanced higher-order effects from…

High Energy Physics - Phenomenology · Physics 2022-05-03 Hector Gisbert , Víctor Miralles , Joan Ruiz-Vidal