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Related papers: Muon $g-2$: A review

200 papers

We investigate the possibility of explanation for the muon anomalous magnetic moment $g_\mu-2$ in a left-right model with an inverse seesaw mechanism. We emphasize that the observed deviation from the Standard Model predictions can be…

High Energy Physics - Phenomenology · Physics 2023-03-31 M. Ashry , K. Ezzat , S. Khalil

The experimental determination of the muon magnetic moment and its theoretical prediction within the Standard Model and the MSSM are reviewed. A 3 sigma deviation between experiment and Standard Model prediction has been established, and…

High Energy Physics - Phenomenology · Physics 2007-10-15 Dominik Stöckinger

We have witnessed a persistent puzzling anomaly in the muon magnetic moment that cannot be accounted for in the Standard Model even considering the large hadronic uncertainties. A new measurement is forthcoming, and it might give rise to a…

High Energy Physics - Phenomenology · Physics 2022-08-30 Alvaro S. de Jesus , Sergey Kovalenko , Farinaldo S. Queiroz , Carlos A. de S. Pires , Yoxara S. Villamizar

The anomalous magnetic moment of the muon has been measured to 0.5 ppm in a series of precision experiments at the Brookhaven Alternating Gradient Synchrotron. The individual results for each sign: a(mu+)= 11 659 204(7)(5) E-10 and a(mu-) =…

High Energy Physics - Phenomenology · Physics 2007-05-23 Priscilla Cushman

I present a short review of the present status of the Standard Model prediction of the anomalous magnetic moment of the muon, with special emphasis on the hadronic contributions.

High Energy Physics - Phenomenology · Physics 2007-05-23 Eduardo de Rafael

On April 7, 2001 the Muon g-2 Experiment at Fermilab presented its first results which lead to a 4.2$\sigma$ discrepancy between the world average of the muon anomalous magnetic dipole moment and the standard model prediction of this…

High Energy Physics - Phenomenology · Physics 2021-04-13 Oliver Passon

The Muon (g-2) Experiment (E821) at Brookhaven National Laboratory (BNL) has measured the anomalous magnetic moment of the positive muon to an unprecedented precision of 1.3 parts per million. The result, a_{\mu^+} = (g-2)/2 = 11 659…

High Energy Physics - Experiment · Physics 2012-08-27 2 Collaboration , O. Rind

The Muon g-2 experiment E989 at Fermilab measures the anomalous magnetic moment of the muon $a_\mu$ with improved precision compared to the Brookhaven (E821) experiments. The Brookhaven results are in tension with the Standard Model by more…

High Energy Physics - Experiment · Physics 2022-02-24 Alexander Tewsley-Booth

The Muon g-2 experiment at FERMILAB has confirmed the muon anomalous magnetic moment anomaly with an error bar 15% smaller and a different central value compared with the previous Brookhaven result. The combined results from FERMILAB and…

High Energy Physics - Phenomenology · Physics 2022-08-17 Giorgio Arcadi , Álvaro S. de Jesus , Téssio B. de Melo , Farinaldo S. Queiroz , Yoxara S. Villamizar

We consider possible beyond-the-Standard-Model (BSM) effects that can accommodate both the long-standing tension in the anomalous magnetic moment of the muon, $a_\mu=(g-2)_\mu/2$, as well as the emerging $2.5\sigma$ deviation in its…

High Energy Physics - Phenomenology · Physics 2019-05-13 Andreas Crivellin , Martin Hoferichter

The muon anomalous magnetic moment is one of the most precisely measured quantities in particle physics. Recent high precision measurements (0.54ppm) at Brookhaven reveal a ``discrepancy'' by 3 standard deviations from the electroweak…

High Energy Physics - Phenomenology · Physics 2010-04-06 F. Jegerlehner

One of the most promising quantities for the search of signatures of physics beyond the Standard Model is the anomalous magnetic moment $g-2$ of the muon, where a comparison of the experimental result with the Standard Model estimate yields…

High Energy Physics - Lattice · Physics 2020-02-03 Vera Gülpers

We present a combined study of the muon anomalous magnetic moment, $a_{\mu} \equiv (g-2)_{\mu} /2$, and $b \to s \gamma$ decay in the minimal supersymmetric standard model with gauge-mediated supersymmetry-breaking. Combining new…

High Energy Physics - Phenomenology · Physics 2007-05-23 K. T. Mahanthappa , Sechul Oh

The Muon g-2/EDM Experiment at J-PARC will employ a novel way to measure the muon magnetic anomaly, a_mu = (g-2)_mu/2, by using a low-emittance beam of positive muons stored in a compact muon storage magnet. The experimental method includes…

High Energy Physics - Experiment · Physics 2025-12-24 Graziano Venanzoni

The persistent $a_\mu \equiv (g-2)/2$ anomaly in the muon sector could be due to new physics visible in the electron sector through a sub-ppb measurement of the anomalous magnetic moment of the electron $a_e$. Driven by recent results on…

High Energy Physics - Experiment · Physics 2014-05-27 F. Terranova , G. M. Tino

About 3 sigma deviation from the standard model prediction of muon anomalous magnetic moment (muon g-2) has been reported. We consider new physics beyond the standard model which has new Yukawa interactions with muon. We compute new…

High Energy Physics - Phenomenology · Physics 2015-06-05 Shunichi Kanemitsu , Kazuhiro Tobe

The Fermi National Accelerator Laboratory (FNAL) Muon $g-2$ Experiment has measured the positive muon magnetic anomaly $a_{\mu} \equiv (g_{\mu}-2)/2$ with a precision of 0.46 parts per million, with data collected during its first physics…

High Energy Physics - Experiment · Physics 2022-03-07 Alessandra Lucà

We present a new, completely revised calculation of the muon anomalous magnetic moment, $a_\mu=(g_{\mu}-2)/2$, comparing it with the more recent experimental determination of this quantity; this furnishes an important test of theories of…

High Energy Physics - Phenomenology · Physics 2008-11-26 J. F. de Troconiz , F. J. Yndurain

The measurement of the anomalous magnetic moment of the muon exhibits a long standing discrepancy compared to the Standard model prediction. In this paper, we concentrate on this issue in the framework of $R$-parity violating Minimal…

High Energy Physics - Phenomenology · Physics 2016-05-04 Amit Chakraborty , Sabyasachi Chakraborty

The new measurement of the anomalous magnetic moment of muon at the Fermilab Muon $g-2$ experiment has strengthened the significance of the discrepancy between the standard model prediction and the experimental observation from the BNL…

High Energy Physics - Phenomenology · Physics 2021-10-11 Kwang Sik Jeong , Junichiro Kawamura , Chan Beom Park