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Related papers: CPT- and Lorentz-Violation Tests with Muon g-2

200 papers

The precise measurement of the muon anomalous magnetic moment $a_\mathrm{\mu}$ has stimulated much theoretical and experimental efforts over more than six decades. The last experiment at Brookhaven National Laboratory, Upton, NY, USA…

Instrumentation and Detectors · Physics 2016-10-25 Martin Fertl

We present an analysis designed to search for Lorentz and CPT violations as predicted by the SME framework using the charged current neutrino events in the MINOS near detector. In particular we develop methods to identify periodic…

High Energy Physics - Phenomenology · Physics 2016-11-09 B. J. Rebel , S. L. Mufson

In this article, we review and update implications of the muon anomalous magnetic moment (muon $g-2$) anomaly for two-Higgs-doublet models (2HDMs), which are classified according to imposed symmetries and their resulting Yukawa sector. In…

High Energy Physics - Phenomenology · Physics 2024-01-12 Syuhei Iguro , Teppei Kitahara , Martin S. Lang , Michihisa Takeuchi

The impact of the CPT-Odd electroweak gauge sector of the Standard Model Extension on the electromagnetic properties of charged leptons is studied. This gauge sector is characterized by the $(k_1)_\mu$ and $(k_2)_\mu$ Lorentz violation (LV)…

High Energy Physics - Phenomenology · Physics 2024-11-28 J. S. Hurtado-Silva , J. J. Toscano , O. Vázquez-Hernández

The current status of the Standard Model prediction for the anomalous magnetic moment of the muon is briefly reviewed and compared with the present experimental value.

High Energy Physics - Phenomenology · Physics 2008-11-26 M. Passera

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

A new experiment at Fermilab will measure the anomalous magnetic moment of the muon with a precision of 140 parts per billion (ppb). This measurement is motivated by the results of the Brookhaven E821 experiment that were first released…

Instrumentation and Detectors · Physics 2015-10-02 Frederick Gray

We explore constraints on the parameter space of the alternative left-right model originating from the leptonic sector. Our analyses focuses on both lepton-flavour-conserving observables, particularly the anomalous magnetic moment of the…

High Energy Physics - Phenomenology · Physics 2025-05-13 Mariana Frank , Benjamin Fuks , Sumit K. Garg , Chayan Majumdar , Poulose Poulose , Supriya Senapati

In this talk, I discuss possible bounds on the Lorentz and CPT violating parameters in the Higgs sector of the so called minimal standard model extension. The main motivation to this study is coming from the fact that unlike the parameters…

High Energy Physics - Phenomenology · Physics 2009-11-10 Ismail Turan

Any observation of charged lepton flavor violation (CLFV) implies the existence of new physics beyond the SM in charged lepton sector. CLFV interactions may also contribute to the muon magnetic moment and explain the discrepancy between the…

High Energy Physics - Phenomenology · Physics 2021-09-29 Tong Li , Michael A. Schmidt , Chang-Yuan Yao , Man Yuan

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

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

The muon (g-2) experiment at Brookhaven National Laboratory has measured the anomalous magnetic moment of the positive muon with a precision of 0.7 ppm. This paper presents that result, concentrating on some of the important experimental…

High Energy Physics - Experiment · Physics 2007-05-23 F. E. Gray

In light of the increasing hints of new physics at the muon $g-2$ and neutrino oscillation experiments, we consider the recently observed tension in the long-baseline neutrino oscillation experiments as a potential indication of Lorentz…

High Energy Physics - Phenomenology · Physics 2022-06-08 Hai-Xing Lin , Pedro Pasquini , Jian Tang , Sampsa Vihonen

The ideas and formulas presented in the article will help to bring together the theoretical predictions for the anomalous magnetic moment of muon and the results of the "Muon g-2" experiment. In doing so, we are discussing the new effect…

High Energy Physics - Phenomenology · Physics 2021-09-30 Ara Ioannisian

The recent measurement of muon anomalous magnetic dipole moment (muon $g-2$) suggests that there might exist new physics that dominantly interacts with muons. The observed gamma-ray excess from Fermi-LAT indicates that dark matter…

High Energy Physics - Phenomenology · Physics 2023-02-21 Jongkuk Kim , Hiroshi Okada

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

The muon anomalous magnetic moment, $a_\mu=\frac{g-2}{2}$, is a low-energy observable which can be both measured and computed to high precision, making it a sensitive test of the Standard Model and a probe for new physics. This anomaly was…

High Energy Physics - Experiment · Physics 2025-03-13 Matteo Sorbara

Deviations from Lorentz and CPT invariance in the neutrino sector and their observable effects in double beta decay are studied. For two-neutrino double beta decay, a spectral distortion and its properties are characterized for different…

High Energy Physics - Phenomenology · Physics 2014-02-17 Jorge S. Diaz

The muon g-2 collaboration has measured the anomalous magnetic g value of the positive muon to within a relative uncertainty of 0.7 parts per million. The result, a_{\mu^+} = 11 659 204(7)(5) x 10^{-10} is in good agreement with the…

High Energy Physics - Experiment · Physics 2019-08-14 Ernst Sichtermann