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A buildup of the vertical polarization in the resonant electric dipole moment (EDM) experiment [Y. F. Orlov, W. M. Morse, and Y. K. Semertzidis, Phys. Rev. Lett. 96, 214802 (2006)] is affected by a horizontal electric field in the particle…

High Energy Physics - Phenomenology · Physics 2007-10-02 Alexander J. Silenko

We show that the electromagnetic moments of unstable particles (resonances) have an absorptive contribution which quantifies the change of the particle's lifetime in an external electromagnetic field. To give an example we compute here the…

High Energy Physics - Phenomenology · Physics 2009-09-01 Daniele Binosi , Vladimir Pascalutsa

A strong electron-phonon interaction in a metal increases the electron density of states in the vicinity of the Fermi energy dramatically. This phenomenon is called electron-phonon mass enhancement. In this paper the question is…

Mesoscale and Nanoscale Physics · Physics 2009-11-11 Gerd Bergmann

The effect of the electron's anomalous magnetic moment on the relativistic electronic dressing for the process of electron-hydrogen atom elastic collisions is investigated. We consider a laser field with circular polarization and various…

Atomic Physics · Physics 2014-11-20 S. Elhandi , S. Taj , Y. attaourti , B. Manaut , L. Oufni

We have developed new methods to calculate dispersion curves (analytically in the simpler cases) from which we are able to derive the spatial distribution of electron and current densities. We investigate the case where the magnetic field…

Condensed Matter · Physics 2009-10-28 E. Hofstetter , J. M. C. Taylor , A. MacKinnon

The search for particle electric dipole moments (edm) is one of the best places to look for physics beyond the standard model because the size of time reversal violation predicted by the standard model is incompatible with present ideas…

Nuclear Experiment · Physics 2009-11-10 S. K. Lamoreaux , R. Golub

Damping of an electromagnetic wave in a strong magnetic field is analyzed in the kinematic region near the threshold of electron-positron pair production. Damping of the electromagnetic field is shown to be noticeably nonexponential in this…

High Energy Physics - Phenomenology · Physics 2010-11-15 N. V. Mikheev , M. V. Chistyakov

We consider the $g$ factor of a spin-1/2 particle (electron or muon) bound by an arbitrary central field. We present an approach which allows one to express the relativistic $g$ factor in terms of the binding energy. We derive the general…

High Energy Physics - Phenomenology · Physics 2009-11-11 S. G. Karshenboim , R. N. Lee , A. I. Milstein

With the long-standing tension between experiment and Standard-Model (SM) prediction in the anomalous magnetic moment of the muon $a_\mu$ recently reaffirmed by the Fermilab experiment, the crucial question becomes which other observables…

High Energy Physics - Phenomenology · Physics 2022-09-27 Andreas Crivellin , Martin Hoferichter

We show that any new interaction resulting in a chirally-enhanced contribution to the muon magnetic moment necessarily modifies the decay rate of the Higgs boson to muon pairs or generates the muon electric dipole moment. These three…

High Energy Physics - Phenomenology · Physics 2022-12-07 Radovan Dermisek , Keith Hermanek , Navin McGinnis , Sangsik Yoon

Supplementing our STM and electron emission studies investigations, concluding in electron pairing in strong laser fields [1], further time-of-flight electron emission studies were carried out, changing the angle of polarization of the…

Optics · Physics 2015-06-02 N. Kroó , P. Rácz , S. Varró

Laser assisted Coulomb scattering by relativistic electron and heavy electron (muon) is studied by using Salamin waves (Salamin 1993) in the Weak Field Approximation (WFA). Both electron and muon are described by the Dirac equation, with…

Atomic Physics · Physics 2012-11-08 S. Taj , B. Manaut , M. El Idrissi , Y. Attaourti , L. Oufni

The general relativistic effects to the anomalous magnetic moment of the electron ${\rm g}_{\rm e}$-2 in the Earth's gravitational field have been examined. The magnetic moment of electrons to be measured on the Earth's surface is evaluated…

High Energy Physics - Phenomenology · Physics 2018-08-06 Takahiro Morishima , Toshifumi Futamase , Hirohiko M. Shimizu

We investigate the quantum corrections of the anomalous magnetic moment (AMM) for fermions in the presence of a strong magnetic field using the Ritus's approach. At strong fields the particles get different AMM's depending on the LL's. This…

Nuclear Theory · Physics 2013-07-24 E. J. Ferrer , V de la Incera , D. Manreza Paret , A. Pérez Martínez

Effects of strong interactions on the two loop electroweak radiative corrections to the muon anomalous magnetic moment, $a_\mu=(g_\mu-2)/2$, are examined. Short-distance logs are shown to be unaffected. Computation of long-distance…

High Energy Physics - Phenomenology · Physics 2014-11-17 Andrzej Czarnecki , William J. Marciano , Arkady Vainshtein

The current experimental values of anomalous magnetic moments of muon and electron deviate from the Standard Model predictions by few standard deviations, which might be a hint of new physics. The sizes and signs of these deviations are…

High Energy Physics - Phenomenology · Physics 2019-10-23 Marcin Badziak , Kazuki Sakurai

The longstanding discrepancy between the measured and the predicted values of the anomalous magnetic moment of the muon, $a_\mu = (g-2)/2$, is one of the most intriguing potential hints of new physics in particle physics. After a brief…

High Energy Physics - Phenomenology · Physics 2023-01-18 Bogdan Malaescu

Light scalars can in principle couple to both bulk matter and fermion spin, with hierarchically disparate strengths. Storage ring measurements of fermion electromagnetic moments via spin precession can be sensitive to such a force, sourced…

High Energy Physics - Phenomenology · Physics 2023-05-10 Hooman Davoudiasl , Robert Szafron

We propose a model realizes that a semi-visible dark photon which can contribute to the anomalous magnetic moment ($g-2$) of both electron and muon. In this model, the electron $g-2$ is deviated from the Standard Model (SM) prediction by…

High Energy Physics - Phenomenology · Physics 2024-02-02 Waleed Abdallah , Mustafa Ashry , Junichiro Kawamura , Ahmad Moursy

The recent Fermilab muon $g-2$ result and the same for electron due to fine-structure constant measurement through ${}^{133}{\rm Cs}$ matter-wave interferometry are probed in relation to MSSM with non-holomorphic (NH) trilinear soft SUSY…

High Energy Physics - Phenomenology · Physics 2023-01-25 Md. Isha Ali , Manimala Chakraborti , Utpal Chattopadhyay , Samadrita Mukherjee