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Related papers: EDM constraints on flavored CP-violating phases

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We show that all nontrivial CP-violating phases can be determined in terms of three lepton flavor mixing angles and the ratio of $\Delta m^2_{\rm sun}$ to $\Delta m^2_{\rm atm}$ in the minimal seesaw model in which the…

High Energy Physics - Phenomenology · Physics 2009-11-10 Wan-lei Guo , Zhi-zhong Xing

We study the minimal seesaw model, where two right-handed Majorana neutrinos are introduced, focusing on the CP violating phase. In addition, we take the trimaximal mixing pattern for the neutrino flavor where the charged lepton mass matrix…

High Energy Physics - Phenomenology · Physics 2018-01-17 Yusuke Shimizu , Kenta Takagi , Morimitsu Tanimoto

We perform a detailed and comprehensive study of several flavor physics observables in both lepton and quark sectors within the framework of an extended 2HDM theory where the inverse seesaw mechanism is implemented to generate the SM…

High Energy Physics - Phenomenology · Physics 2025-06-18 N. T. Duy , D. T. Huong , A. E. Carcamo Hernandez

The minimal supersymmetric standard model (MSSM) particles can generate loop-level radiative corrections that contribute to the electric dipole moment (EDM) of an electron. The upper bound on the EDM can therefore be used for delineating…

High Energy Physics - Phenomenology · Physics 2023-12-27 S. S. AbdusSalam , S. S. Barzani , L. Kalhor , M. Mohammadidoust , S. A. Ojaghi

We study the phenomenology of a supersymmetric left-right model, assuming minimal supergravity boundary conditions. Both left-right and (B-L) symmetries are broken at an energy scale close to, but significantly below the GUT scale. Neutrino…

High Energy Physics - Phenomenology · Physics 2011-01-27 J. N. Esteves , M. Hirsch , W. Porod , J. C. Romao , F. Staub , A. Vicente

We explore CP-violating (CPV) effects of heavy New Physics in flavour-changing quark dipole transitions, within the framework of Standard Model Effective Field Theory (SMEFT). First, we establish the relevant dimension six operators and…

High Energy Physics - Phenomenology · Physics 2023-06-30 Svjetlana Fajfer , Jernej F. Kamenik , Nejc Košnik , Aleks Smolkovič , Michele Tammaro

Considering the constraints from the experimental data on $\mu\rightarrow e\gamma$, $\mu\rightarrow3e$, $\mu-e$ conversion etc., we analyze the Lepton Flavor Violating decays $\phi(J/\Psi,\Upsilon(1S)) \rightarrow e^+\mu^-(\mu^+\tau^-)$ in…

High Energy Physics - Phenomenology · Physics 2015-06-11 Ke-Sheng Sun , Tai-Fu Feng , Tie-Jun Gao , Shu-Min Zhao

We revisit the constraints imposed by electric dipole moments (EDMs) of nucleons and heavy atoms on new CP-violating sources within supersymmetric theories. We point out that certain two-loop renormalization group corrections induce…

High Energy Physics - Phenomenology · Physics 2009-09-15 Keith A. Olive , Maxim Pospelov , Adam Ritz , Yudi Santoso

We revisit and extend realizations of Minimal Flavor Violation (MFV) in theories with strongly coupled electro-weak symmetry breaking. MFV requires that some chiralities of light SM quarks are strongly composite leading, depending on the…

High Energy Physics - Phenomenology · Physics 2012-10-25 Michele Redi

In this paper, we perform a comprehensive study of Lepton Flavor Violation (LFV) in semileptonic transitions in the framework of an Effective Field Theory with general flavor structure. We account for the Renormalization Group Equations…

High Energy Physics - Phenomenology · Physics 2024-07-12 I. Plakias , O. Sumensari

We study the \mu \to e \gamma decay in the Z_3-invariant next-to-minimal supersymmetric (SUSY) Standard Model (NMSSM) with superheavy right-handed neutrinos. We assume that the soft SUSY breaking parameters are generated at the GUT scale,…

High Energy Physics - Phenomenology · Physics 2015-05-27 Keisuke Nakamura , Daisuke Nomura

We study the anatomy and phenomenology of Lepton Flavor Violation (LFV) in the context of Flavored Gauge Mediation (FGM). Within FGM, the messenger sector couples directly to the MSSM matter fields with couplings controlled by the same…

High Energy Physics - Phenomenology · Physics 2014-12-31 Lorenzo Calibbi , Paride Paradisi , Robert Ziegler

We study the minimal type-III seesaw model in which we extend the SM by adding two $SU(2)_L$ triplet fermions with zero hypercharge to explain the origin of the non-zero neutrino masses. We show that the naturalness conditions and the…

High Energy Physics - Phenomenology · Physics 2019-04-17 Srubabati Goswami , Vishnudath K. N. , Najimuddin Khan

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

The question of CP violating phases and electric dipole moments (EDMs)for the electron ($d_e$) and the neutron ($d_n$) for supergravity models with nonuniversal soft breaking is considered for models with a light ($\stackrel{<}{\sim}$1 TeV)…

High Energy Physics - Phenomenology · Physics 2008-11-26 E. Accomando , R. Arnowitt , B. Dutta

We investigate dimension five Lorentz-violating nonminimal interactions in the electroweak sector, in connection with the possible generation of electric dipole moment (EDM), weak electric dipole moment (WEDM), magnetic dipole moment (MDM)…

High Energy Physics - Phenomenology · Physics 2020-10-07 Jonas B. Araujo , Victor E. Mouchrek-Santos , Frederico E. P. dos Santos , Pedro D. S. Silva , Manoel M. Ferreira

The possibility of cancelation between different contributions to d_e, d_n and d_{Hg} has been reconsidered with special emphasis on the region that is phenomenologically interesting (intermediate values of \tan \beta and sub-TeV sfermion…

High Energy Physics - Phenomenology · Physics 2014-11-18 Seyed Yaser Ayazi , Yasaman Farzan

We address the SUSY CP problem in the framework of Minimal Flavor Violation (MFV), where the SUSY flavor problem finds a natural solution. By contrast, the MFV principle does not solve the SUSY CP problem as it allows for the presence of…

High Energy Physics - Phenomenology · Physics 2010-02-01 Paride Paradisi , David Straub

The electric dipole moment is examined in a three-loop neutrino mass model with dark matter originally proposed in Aoki et al. [Phys. Rev. Lett. 102, 051805 (2009)]. The model contains a $CP$-violating phase in the Higgs potential which…

High Energy Physics - Phenomenology · Physics 2024-07-31 Kazuki Enomoto , Shinya Kanemura , Sora Taniguchi

In the N-B-LSSM, we calculate the electric dipole moments (EDMs) of lepton and neutron at the one loop level via the Mass Insertion Approximation (MIA). In the Standard Model (SM), charge parity (CP) violation originates only from the…

High Energy Physics - Phenomenology · Physics 2026-03-17 Shuang Di , Wei-Hang Zhang , Rong-Zhi Sun , Xing-Xing Dong , Guo-Zhu Ning , Shu-Min Zhao