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Related papers: Electron $g-2$ corrections from axion dark matter

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Theories with pseudoscalars that couple through anomalies (such as axion models) are of particular phenomenological interest. We carry out a comprehensive analysis of all bounds obtainable from bootstrapping the amplitudes when a…

High Energy Physics - Theory · Physics 2025-10-15 Ziyu Dong , Jaehoon Jeong , Alex Pomarol

An axion dark matter search with the CAPP-8TB haloscope is reported. Our results are sensitive to axion-photon coupling $g_{a\gamma\gamma}$ down to the QCD axion band over the axion mass range between 6.62 and 6.82 $\mu$eV at a 90\%…

High Energy Physics - Experiment · Physics 2020-03-18 S. Lee , S. Ahn , J. Choi , B. R. Ko , Y. K. Semertzidis

The stringent experimental bound on $\mu \rightarrow e \gamma$ is compatible with a simultaneous and sizable new physics contribution to the electron and muon anomalous magnetic moments $(g-2)_\ell$ ($\ell=e,\,\mu$), only if we assume a…

High Energy Physics - Phenomenology · Physics 2020-06-18 Lorenzo Calibbi , M. L. López-Ibáñez , Aurora Melis , Oscar Vives

We provide the corrected calculation of the muon g-2 in non-local QED previously done in the literature. In specific, we show the proper technique for calculating loops in non-local QED and use it to find the form factors F1(q1) and F2(q2)…

High Energy Physics - Phenomenology · Physics 2024-04-03 Fayez Abu-Ajamieh , Nobuchika Okada , Sudhir K. Vempati

Ultralight dark photons and axions are well-motivated hypothetical dark matter candidates. Both dark photon dark matter and axion dark matter can resonantly convert into electromagnetic waves in the solar corona when their mass is equal to…

High Energy Physics - Phenomenology · Physics 2024-02-02 Haipeng An , Xingyao Chen , Shuailiang Ge , Jia Liu , Yan Luo

Dark matter axions may cause transitions between atomic states that differ in energy by an amount equal to the axion mass. Such energy differences are conveniently tuned using the Zeeman effect. It is proposed to search for dark matter…

High Energy Physics - Phenomenology · Physics 2020-06-02 P. Sikivie

We show that dark matter axions or axion-like particles (ALP) induce spontaneously alternating electric currents in conductors along the external magnetic fields due to the (medium) axial anomaly, realizing the chiral magnetic effects…

High Energy Physics - Phenomenology · Physics 2024-09-05 Deog Ki Hong , Sang Hui Im , Kwang Sik Jeong , Dong-han Yeom

The axion-gravity Chern-Simons coupling is well motivated but is relatively weakly constrained, partly due to difficult measurements of gravity. We study the sensitivity of LIGO measurements of chirping gravitational waves (GWs) on such…

High Energy Physics - Phenomenology · Physics 2020-09-23 Sunghoon Jung , TaeHun Kim , Jiro Soda , Yuko Urakawa

We constrain the coupling between axionlike particles (ALPs) and photons, measured with the superconducting resonant detection circuit of a cryogenic Penning trap. By searching the noise spectrum of our fixed-frequency resonant circuit for…

We use the world's data on elastic electron--proton scattering and calculations of two-photon exchange effects to extract corrected values of the proton's electric and magnetic form factors over the full Q^2 range of the existing data. Our…

Nuclear Experiment · Physics 2008-11-26 J. Arrington , W. Melnitchouk , J. A. Tjon

The electronic self-energy is studied for a two dimensional electron gas coupled to a spin-orbit Rashba field and interacting with dispersionless phonons. For the case of a momentum independent electron-phonon coupling (Holstein model) we…

Strongly Correlated Electrons · Physics 2009-11-13 E. Cappelluti , C. Grimaldi , F. Marsiglio

We use the isotropy of the Cosmic Microwave Background to place stringent constraints on a possible electrical charge asymmetry of the universe. We find the excess charge per baryon to be $q_{e-p}<10^{-26}e$ in the case of a uniform…

High Energy Physics - Phenomenology · Physics 2009-06-12 C. Caprini , P. G. Ferreira

We report on precision resonance spectroscopy measurements of quantum states of ultracold neutrons confined above the surface of a horizontal mirror by the gravity potential of the Earth. Resonant transitions between several of the lowest…

General Relativity and Quantum Cosmology · Physics 2014-10-08 T. Jenke , G. Cronenberg , J. Burgdörfer , L. A. Chizhova , P. Geltenbort , A. N. Ivanov , T. Lauer , T. Lins , S. Rotter , H. Saul , U. Schmidt , H. Abele

The observation of cosmic sub-PeV gamma-rays from the Crab Nebula opens up the possibility of testing cosmic ray photon transparency at the multi-hundred TeV scale. Assuming no deviation from a source gamma-ray emission due to accelerated…

High Energy Astrophysical Phenomena · Physics 2021-03-03 Xiao-Jun Bi , Yu Gao , Junguang Guo , Nick Houston , Tianjun Li , Fangzhou Xu , Xin Zhang

We study the direct radiation excited by oscillating axion (or axion-like particle) dark matter in a homogenous magnetic field and its detection scheme. We concretely derive the analytical expression of the axion-induced radiated power for…

High Energy Physics - Phenomenology · Physics 2022-11-09 Shuo Xu , Siyu Chen , Hong-Hao Zhang , Guangbo Long

We investigate the possibility of testing of the Einstein Equivalence Principle (EEP) using measurements of anomalous magnetic moments of elementary particles. We compute the one loop correction for the $g-2$ anomaly within the class of non…

General Relativity and Quantum Cosmology · Physics 2010-01-06 C. Alvarez , R. B. Mann

X-ray photoelectron spectra provide a wealth of information on the electronic structure. The extraction of molecular details requires adequate theoretical methods, which in case of transition metal complexes has to account for effects due…

The effects of the electron-phonon interaction on optical excitations can be understood in terms of exciton-phonon coupling, and require a careful treatment in low-dimensional materials with strongly bound excitons or strong electron-hole…

Materials Science · Physics 2022-02-17 Gabriel Antonius , Steven G. Louie

This paper explores the annihilation process of an electron-positron pair into a heavier lepton-antilepton pair, taking into account the presence of an external classical magnetic field. Additionally, it investigates corrections arising…

High Energy Physics - Phenomenology · Physics 2024-09-02 D. S. Cabral , A. F. Santos

We present a search for electron-recoil signatures from the charged-current absorption of fermionic dark matter using the EXO-200 detector. We report an average electron recoil background rate of $6.8 \times 10^{-4}\,…

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