English
Related papers

Related papers: Supersymmetric Relations Among Electromagnetic Dip…

200 papers

We study the anomalous magnetic and electric dipole moments of charged leptons in supersymmetric low-scale seesaw models with right-handed neutrino superfields. We consider a minimally extended framework of minimal supergravity, by assuming…

High Energy Physics - Phenomenology · Physics 2014-01-15 Amon Ilakovac , Apostolos Pilaftsis , Luka Popov

An analysis of electroweak corrections to the anomalous dipole moments of lepton from some special two-loop diagrams where a closed neutralino/chargino loop is inserted into relevant one-loop diagrams of the standard model is presented in…

High Energy Physics - Phenomenology · Physics 2008-11-26 Tai-Fu Feng , Lin Sun , Xiu-Yi Yang

Using the effective Lagrangian method, we analyze the electroweak corrections to the anomalous dipole moments of lepton from some special two-loop topological diagrams which are composed of neutralino (chargino) - slepton (sneutrino) in the…

High Energy Physics - Phenomenology · Physics 2009-11-11 Tai-Fu Feng , Xue-Qian Li , Lin Lin , Jukka Maalampi , He-Shan Song

We have studied the leptonic EDM and the LFV decays relating with the recent data of anomalous magnetic moment of muon, $(g-2)_{\mu}$ in the leptonic dipole operator. We have adopted the successful $\Gamma_2$ modular invariant model by…

High Energy Physics - Phenomenology · Physics 2024-12-18 Takaaki Nomura , Morimitsu Tanimoto , Xing-Yu Wang

We perform a model-independent analysis of the magnetic and electric dipole moments of the muon and electron. We give expressions for the dipole moments in terms of operator coefficients of the low-energy effective field theory (LEFT) and…

High Energy Physics - Phenomenology · Physics 2021-11-12 Jason Aebischer , Wouter Dekens , Elizabeth E. Jenkins , Aneesh V. Manohar , Dipan Sengupta , Peter Stoffer

We calculate the rate of the decay $\mu \to e\gamma$ and the electric dipole moment of the electron in the left-right supersymmetric model when the breaking of parity occurs at a considerably large scale. The low-energy flavor violation in…

High Energy Physics - Phenomenology · Physics 2011-09-13 G. Couture , M. Frank , H. Konig , M. Pospelov

We investigate the muon anomalous magnetic dipole moment (MDM), the muon electric dipole moment (EDM) and the lepton-flavour-violating decays of the $\tau-$lepton, $\tau \to \mu \gamma$ and $\tau\to 3\mu$, in the CP-violating Minimal…

High Energy Physics - Phenomenology · Physics 2009-11-10 Tai-Fu Feng , Tao Huang , Xue-Qian Li , Xin-Min Zhang , Shu-Min Zhao

The electric dipole moment of the electron is studied in detail in an extended mirror fermion model with the following unique features of (a) right-handed neutrinos are non-sterile and have masses at the electroweak scale, and (b) a…

High Energy Physics - Phenomenology · Physics 2018-03-14 Chia-Feng Chang , P. Q. Hung , Chrisna Setyo Nugroho , Van Que Tran , Tzu-Chiang Yuan

We analyze the diagonal and transition magnetic and electric dipole moments of charged leptons in extended technicolor (ETC) models, taking account of the multiscale nature of the ETC gauge symmetry breaking, conformal (walking) behavior of…

High Energy Physics - Phenomenology · Physics 2009-11-10 Thomas Appelquist , Maurizio Piai , Robert Shrock

We present a simple analysis that allows us to extract the leading mass dependence of the dipole moment of matter fermions that might be induced by new physics. We present explicit results for the supersymmetric model with broken R-parity…

High Energy Physics - Phenomenology · Physics 2009-10-31 R. M. Godbole , S. Pakvasa , S. D. Rindani , X. Tata

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

We examine the muon's electric dipole moment $\dmu$ from a variety of theoretical perspectives. We point out that the reported deviation in the muon's g-2 can be due partially or even entirely to a new physics contribution to the muon's…

High Energy Physics - Phenomenology · Physics 2008-11-26 Jonathan L. Feng , Konstantin T. Matchev , Yael Shadmi

The theoretical predictions in the standard model (SM) and measurements on the anomalous magnetic dipole moments (MDM) of muon and electron have great precision, hence the MDMs of muon and electron have close relation with the new physics…

High Energy Physics - Phenomenology · Physics 2020-04-10 Jin-Lei Yang , Tai-Fu Feng , Hai-Bin Zhang

We study the lepton electric dipole moments in the framework of the supersymmetric type II seesaw model where the exchange of heavy SU(2)_W triplets generates small neutrino masses. We show that the CP violating phase of the bilinear soft…

High Energy Physics - Phenomenology · Physics 2010-05-12 Toru Goto , Takayuki Kubo , Yasuhiro Okada

In the context of supersymmetric seesaw models of neutrino masses with non-degenerate heavy neutrinos, we show that Dirac Yukawa interactions N^c_i (Y_nu)_{ij} L_j H_2 induce large threshold corrections to the slepton soft masses via…

High Energy Physics - Phenomenology · Physics 2009-09-11 John Ellis , Junji Hisano , Martti Raidal , Yasuhiro Shimizu

The limits on lepton radii and contact interaction scales are used to derive limits on the deviations of lepton anomalous magnetic dipole moments (g-2)/2 from the Standard Model predictions. In the case of quadratic dependence of the…

High Energy Physics - Phenomenology · Physics 2025-06-19 Dimitri Bourilkov

We investigate contributions to the anomalous magnetic moments of charged leptons in the neutrino-extended Standard Model Effective Field Theory ($\nu$SMEFT). We discuss how $\nu$SMEFT operators can contribute to a lepton's magnetic moment…

High Energy Physics - Phenomenology · Physics 2021-09-24 Vincenzo Cirigliano , Wouter Dekens , Jordy de Vries , Kaori Fuyuto , Emanuele Mereghetti , Richard Ruiz

The magnetic dipole interaction played a central role in the development of QED, and continued in that role for the Standard Model. The muon anomalous magnetic moment has served as a benchmark for models of new physics, and the present…

High Energy Physics - Experiment · Physics 2015-03-17 B. Lee Roberts

The muon anomalous magnetic dipole moment (MDM) is calculated in the framework of the minimal supersymmetric standard model (MSSM). In this paper, we discuss how the muon MDM depends on the parameters in MSSM in detail. We show that the…

High Energy Physics - Phenomenology · Physics 2014-11-17 Takeo Moroi

Limits on the anomalous magnetic moment and the electric dipole moment of the $\tau$ lepton are calculated through the reaction $e^{+}e^{-}\to \tau^+ \tau^- \gamma$ at the $Z_1$-pole and in the framework of a left-right symmetric model. The…

High Energy Physics - Phenomenology · Physics 2009-11-10 A. Gutiérrez-Rodríguez , M. A. Hernández-Ruíz , L. N. Luis-Noriega
‹ Prev 1 2 3 10 Next ›