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Related papers: Muon g-2 Experiment at Fermilab

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The muon anomaly $a_\mu=(g_\mu-2)/2$ showing a persisting 3 to 4 $\sigma$ deviation between the SM prediction and the experiment is one of the most promising signals for physics beyond the SM. As is well known, the hadronic uncertainties…

High Energy Physics - Phenomenology · Physics 2019-02-20 Fred Jegerlehner

We perform a general analysis of the contributions to the muon anomalous magnetic moment in models with a superlight gravitino. We discuss the interpretation and the phenomenological implications of the results. We find that present…

High Energy Physics - Phenomenology · Physics 2009-10-31 Andrea Brignole , Elena Perazzi , Fabio Zwirner

We study the muon anomalous magnetic dipole moment in supersymmetric theories. The impact of the recent Brookhaven E821 experimental measurement on both model-independent and model-dependent supersymmetric parameter spaces is discussed in…

High Energy Physics - Phenomenology · Physics 2009-11-07 Stephen P. Martin , James D. Wells

We show that muonium spectroscopy in the coming years can reach a precision high enough to determine the anomalous magnetic moment of the muon below one part per million (ppm). Such an independent determination of muon g-2, which is not…

High Energy Physics - Phenomenology · Physics 2022-01-19 Cédric Delaunay , Ben Ohayon , Yotam Soreq

Recent results announced as measurements of the muon's anomalous magnetic moment are in fact measurements of the muon's anomalous spin precession frequency. This precession frequency receives contributions from both the muon's anomalous…

High Energy Physics - Phenomenology · Physics 2009-10-09 Jonathan L. Feng , Konstantin T. Matchev , Yael Shadmi

The new measurement of the anomalous magnetic moment of the muon by the Brookhaven AGS experiment 821 again shows a discrepancy with the Standard Model value. We investigate the consequences of these new data for neutralino dark matter,…

Astrophysics · Physics 2014-10-13 Edward A. Baltz , P. Gondolo

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

In recent years, the anomalous magnetic moment of the muon has triggered a lot of activity in the lattice QCD community because a persistent tension of about $3.5~\sigma$ is observed between the phenomenological estimate and the Brookhaven…

High Energy Physics - Lattice · Physics 2021-04-21 Antoine Gérardin

The Mu2e experiment at Fermilab is being designed to study the coherent neutrino-less conversion of a negative muon into an electron in the field of a nucleus. This process has an extremely low probability in the Standard Model and its…

Accelerator Physics · Physics 2017-10-11 V. Pronskikh , D. Glenzinski , N. Mokhov , R. Tschirhart

In the next decade the Fermilab Muon Campus will host two world class experiments dedicated to the search for signals of new physics. The Muon g-2 experiment will determine with unprecedented precision the anomalous magnetic moment of the…

Accelerator Physics · Physics 2017-09-18 D. Stratakis

Muons are puzzling physicists since their discovery when they were first thought to be the meson predicted by Yukawa to mediate the strong force. The recent results at Fermilab on the muon g-2 anomaly puts the muonic sector once more under…

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

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

In this talk, the recent breakthrough in two-loop perturbative calculations is reviewed, with emphasis on the applications to phenomenological studies. The recent precision measurement of the anomalous magnetic moment of the muon by the…

High Energy Physics - Phenomenology · Physics 2015-06-25 Zvi Bern

Recently, the E821 experiment at the Brookhaven National Laboratory announced their latest result of their muon g-2 measurement which is about 2.6-\sigma away from the standard model prediction. Taking this result seriously, we examine the…

High Energy Physics - Phenomenology · Physics 2009-11-07 Shinji Komine , Takeo Moroi , Masahiro Yamaguchi

The ongoing high precision E821 Brookhaven National Laboratory experiment on muon g-2 is promising to probe a theory involving supersymmetry. We have studied the constraints on the minimal Anomaly Mediated Supersymmetry Breaking (AMSB)…

High Energy Physics - Phenomenology · Physics 2009-10-31 Utpal Chattopadhyay , Dilip Kumar Ghosh , Sourov Roy

We describe the installation, commissioning, and characterization of the new injection kicker system in the Muon $g-2$ Experiment (E989) at Fermilab, which makes a precision measurement of the muon magnetic anomaly. Three Blumlein pulsers…

We review the spin equations for the muon in the 1.45~T muon storage ring at Brookhaven National Laboratory, which has subsequently been relocated to Fermilab. Muons are stored in a uniform 1.45~T magnetic field, and vertical focusing is…

High Energy Physics - Phenomenology · Physics 2018-07-03 James P. Miller , B. Lee Roberts

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

We present details of a high-accuracy absolute scalar magnetometer based on pulsed proton NMR. The $B$-field magnitude is determined from the precession frequency of proton spins in a cylindrical sample of water after accounting for field…

Instrumentation and Detectors · Physics 2021-12-23 D. Flay , D. Kawall , T. Chupp , S. Corrodi , M. Farooq , M. Fertl , J. George , J. Grange , R. Hong , R. Osofsky , S. Ramachandran , E. Swanson , P. Winter
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