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Related papers: Muon $(g-2)$ in the B-LSSM

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Recently CDF II Collaboration reported that they measured W boson mass precisely. The measurement is deviated from the Standard Model (SM) Prediction at 7$\sigma$. Also, the recent FNAL measurement of the muon magnetic moment shows a…

High Energy Physics - Phenomenology · Physics 2022-06-08 Jongkuk Kim

The status of the muon (g-2) experiment at the Brookhaven AGS is reviewed. An accuracy of 1.3 ppm on the mu^+ anomalous magnetic moment has been achieved and published. This result differs with the standard model prediction by about 2.5…

High Energy Physics - Experiment · Physics 2007-05-23 B. Lee Roberts , H. N. Brown

The anomalous magnetic moments of both positive and negative muons are measured to the precision of 0.7 parts per million. Two values are in good agreement. The standard model calculations of muon g-2 are under further studies, especially…

High Energy Physics - Experiment · Physics 2007-05-23 H. Deng , for Muon g-2 Collaboration

A review of the experimental and theoretical determinations of the anomalous magnetic moment of the muon is given. The anomaly is defined by a=(g-2)/2, where the Land\'e g-factor is the proportionality constant that relates the spin to the…

High Energy Physics - Phenomenology · Physics 2008-11-26 James P. Miller , Eduardo de Rafael , B. Lee Roberts

The Fermilab Muon $g-2$ experiment measures the muon anomalous magnetic moment with high precision. Together with recent improvements on the theory front, the first results of the experiment confirm the long-standing discrepancy between the…

High Energy Physics - Experiment · Physics 2023-11-22 Marco Incagli

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

This article reviews and updates the Standard Model prediction of the muon g-2. QED, electroweak and hadronic contributions are presented, and open questions discussed. The theoretical prediction deviates from the present experimental value…

High Energy Physics - Phenomenology · Physics 2009-07-09 M. Passera

The deviation of the measured value of the muon anomalous magnetic moment from the standard model prediction can be completely explained by mixing of the muon with extra vectorlike leptons, L and E, near the electroweak scale. This mixing…

High Energy Physics - Phenomenology · Physics 2013-08-09 Radovan Dermisek , Aditi Raval

The $\mu\nu$SSM is a highly predictive alternative model to the MSSM. In particular, the electroweak sector of the model can explain the longstanding discrepancy between the experimental result for the anomalous magnetic moment of the muon,…

High Energy Physics - Phenomenology · Physics 2021-09-29 Sven Heinemeyer , Essodjolo Kpatcha , Iñaki Lara , Daniel E. López-Fogliani , Carlos Muñoz , Natsumi Nagata

A summary is given of the present status of the theory and experiment of the anomalous magnetic moment of the muon. A difference between predicted and measured values is an indication of physics beyond the Standard Model. A new experimental…

High Energy Physics - Experiment · Physics 2009-06-23 J. P. Miller

This paper will cover the physics and methods behind Fermilab's Muon g-2 Experiment, along with the long-awaited results from Run-1. The experiment was undertaken to resolve the tension between the Standard Model and the previous…

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

We study the muon anomalous magnetic moment $(g-2)_{\mu}$ in the context of the reduced minimal 3-3-1 model recently proposed in the literature. In particular, its spectrum contains a doubly charged scalar ($H^{\pm \pm}$) and gauge boson…

High Energy Physics - Phenomenology · Physics 2014-06-20 Chris Kelso , P. R. D. Pinheiro , Farinaldo S. Queiroz , William Shepherd

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 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

We review the status of the anomalous magnetic moment of the muon as a precision probe of physics beyond the Standard Model (SM) after the release of the final results from the Fermi National Accelerator Laboratory (FNAL) Muon $g-2$…

High Energy Physics - Phenomenology · Physics 2026-02-19 David W. Hertzog , Martin Hoferichter

We address the observed discrepancies in the anomalous magnetic dipole moments (MDM) of the muon and electron by extending the inert two Higgs Doublet Model (2HDM) with SM gauge singlet complex scalar field and singlet Vector-like Lepton…

High Energy Physics - Phenomenology · Physics 2021-11-10 Hrishabh Bharadwaj , Sukanta Dutta , Ashok Goyal

The anomalous magnetic moment of muons has been a long-standing problem in SM. The current deviation of experimental value of the $(g-2)_{\mu}$ from the standard model prediction is exactly $4.2\sigma$. Two Higgs Doublet Models can…

High Energy Physics - Phenomenology · Physics 2023-08-09 Md. Raju , Abhi Mukherjee , Jyoti Prasad Saha

The BaBar, Belle, and LHCb collaborations have reported evidence for new physics in $B\to D\tau\nu$ and $B\to D^*\tau\nu$ of approximately $3.8\sigma$. There is also the long lasting discrepancy of about $3\sigma$ in the anomalous magnetic…

High Energy Physics - Phenomenology · Physics 2016-03-02 Andreas Crivellin , Julian Heeck , Peter Stoffer

QED, Hadronic, and Electroweak Standard Model contributions to the muon anomalous magnetic moment, a_mu = (g_mu-2)/2, are reviewed. Theoretical uncertainties in the prediction a_mu^SM = 116591597(67) times 10^{-11} are scrutinized. Effects…

High Energy Physics - Phenomenology · Physics 2007-05-23 Andrzej Czarnecki , William J. Marciano

The muon g-2 experiment at Brookhaven National Laboratory measures the anomalous magnetic moment of the muon, $a_\mu$, very precisely. This measurement tests the Standard Model. The analysis for the data collected in 2000 (a $\mu^+$ run) is…

High Energy Physics - Experiment · Physics 2019-08-14 Cenap S. Ozben