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Related papers: The Muon g-2 Experiment at Fermilab

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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

The Muon $g-2$ experiment at Fermilab aims to measure the muon anomalous magnetic moment with an unprecedented precision of 140 parts per billion (ppb). Data collection concluded in June 2023, and analysis of the largest dataset (2021-2023)…

High Energy Physics - Experiment · Physics 2024-12-25 On Kim

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

The magnetic moment is a fundamental property of particles. The measurement of these magnetic moments and the comparison with the values predicted by the standard model of particle physics is a way to test our understanding of the…

High Energy Physics - Experiment · Physics 2015-12-23 M. Eads

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 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

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 E821 experiment at Brookhaven National Laboratory is designed to measure the muon magnetic anomaly, a_mu, to an ultimate precision of 0.4 parts per million (ppm). Because theory can predict a_mu to 0.6 ppm, and ongoing efforts aim to…

High Energy Physics - Experiment · Physics 2017-08-23 David W. Hertzog

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

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 present details on a new measurement of the muon magnetic anomaly, $a_\mu = (g_\mu -2)/2$. The result is based on positive muon data taken at Fermilab's Muon Campus during the 2019 and 2020 accelerator runs. The measurement uses $3.1$…

High Energy Physics - Experiment · Physics 2024-05-24 D. P. Aguillard , T. Albahri , D. Allspach , A. Anisenkov , K. Badgley , S. Baeßler , I. Bailey , L. Bailey , V. A. Baranov , E. Barlas-Yucel , T. Barrett , E. Barzi , F. Bedeschi , M. Berz , M. Bhattacharya , H. P. Binney , P. Bloom , J. Bono , E. Bottalico , T. Bowcock , S. Braun , M. Bressler , G. Cantatore , R. M. Carey , B. C. K. Casey , D. Cauz , R. Chakraborty , A. Chapelain , S. Chappa , S. Charity , C. Chen , M. Cheng , R. Chislett , Z. Chu , T. E. Chupp , C. Claessens , M. E. Convery , S. Corrodi , L. Cotrozzi , J. D. Crnkovic , S. Dabagov , P. T. Debevec , S. Di Falco , G. Di Sciascio , S. Donati , B. Drendel , A. Driutti , V. N. Duginov , M. Eads , A. Edmonds , J. Esquivel , M. Farooq , R. Fatemi , C. Ferrari , M. Fertl , A. T. Fienberg , A. Fioretti , D. Flay , S. B. Foster , H. Friedsam , N. S. Froemming , C. Gabbanini , I. Gaines , M. D. Galati , S. Ganguly , A. Garcia , J. George , L. K. Gibbons , A. Gioiosa , K. L. Giovanetti , P. Girotti , W. Gohn , L. Goodenough , T. Gorringe , J. Grange , S. Grant , F. Gray , S. Haciomeroglu , T. Halewood-Leagas , D. Hampai , F. Han , J. Hempstead , D. W. Hertzog , G. Hesketh , E. Hess , A. Hibbert , Z. Hodge , K. W. Hong , R. Hong , T. Hu , Y. Hu , M. Iacovacci , M. Incagli , P. Kammel , M. Kargiantoulakis , M. Karuza , J. Kaspar , D. Kawall , L. Kelton , A. Keshavarzi , D. S. Kessler , K. S. Khaw , Z. Khechadoorian , N. V. Khomutov , B. Kiburg , M. Kiburg , O. Kim , N. Kinnaird , E. Kraegeloh , V. A. Krylov , N. A. Kuchinskiy , K. R. Labe , J. LaBounty , M. Lancaster , S. Lee , B. Li , D. Li , L. Li , I. Logashenko , A. Lorente Campos , Z. Lu , A. Lucà , G. Lukicov , A. Lusiani , A. L. Lyon , B. MacCoy , R. Madrak , K. Makino , S. Mastroianni , J. P. Miller , S. Miozzi , B. Mitra , J. P. Morgan , W. M. Morse , J. Mott , A. Nath , J. K. Ng , H. Nguyen , Y. Oksuzian , Z. Omarov , R. Osofsky , S. Park , G. Pauletta , G. M. Piacentino , R. N. Pilato , K. T. Pitts , B. Plaster , D. Počanić , N. Pohlman , C. C. Polly , J. Price , B. Quinn , M. U. H. Qureshi , S. Ramachandran , E. Ramberg , R. Reimann , B. L. Roberts , D. L. Rubin , M. Sakurai , L. Santi , C. Schlesier , A. Schreckenberger , Y. K. Semertzidis , D. Shemyakin , M. Sorbara , J. Stapleton , D. Still , D. Stöckinger , C. Stoughton , D. Stratakis , H. E. Swanson , G. Sweetmore , D. A. Sweigart , M. J. Syphers , D. A. Tarazona , T. Teubner , A. E. Tewsley-Booth , V. Tishchenko , N. H. Tran , W. Turner , E. Valetov , D. Vasilkova , G. Venanzoni , V. P. Volnykh , T. Walton , A. Weisskopf , L. Welty-Rieger , P. Winter , Y. Wu , B. Yu , M. Yucel , Y. Zeng , C. Zhang

There is a long standing discrepancy between the Standard Model prediction for the muon g-2 and the value measured by the Brookhaven E821 Experiment. At present the discrepancy stands at about three standard deviations, with a comparable…

Instrumentation and Detectors · Physics 2019-08-14 Graziano Venanzoni

Recently, the Muon g-2 experiment at Fermilab has measured the muon anomalous magnetic dipole moment (MDM), $a_\mu=(g_\mu-2)/2$, which reported that the new experimental average increases the tension between experiment and the standard…

High Energy Physics - Phenomenology · Physics 2022-06-01 Hai-Bin Zhang , Chang-Xin Liu , Jin-Lei Yang , Tai-Fu Feng

The muon magnetic anomaly may contain contributions from physics beyond the standard model. At the Brookhaven National Laboratory (BNL) a precision experiment aims for a measurement of the muon magnetic anomaly $a_{\mu}$ to 0.35 ppm, where…

Nuclear Experiment · Physics 2016-08-15 K. Jungmann , : , g-2 collaboration

The muon anomalous magnetic moment measurement has, for more than a decade, been a long-standing anomaly hinting the physics beyond the Standard Model (BSM). The recently announced results from muon $g-2$ collaboration, corresponding to…

High Energy Physics - Phenomenology · Physics 2021-07-29 Vedran Brdar , Sudip Jana , Jisuke Kubo , Manfred Lindner

Fermilab is dedicated to hosting world-class experiments in search of new physics that will operate in the coming years. The Muon g-2 Experiment is one such experiment that will determine with unprecedented precision the muon anomalous…

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

A new measurement of the anomalous magnetic moment of the muon, $a_{\mu} \equiv (g-2)/2$, will be performed at the Fermi National Accelerator Laboratory. The most recent measurement, performed at Brookhaven National Laboratory and completed…

Instrumentation and Detectors · Physics 2016-01-20 Wesley Gohn

The new measurement of the muon's anomalous magnetic moment released by the Muon g-2 experiment at Fermilab sets strong constraints on the properties of many new particles. Using an effective field theory approach to the interactions of…

High Energy Physics - Phenomenology · Physics 2021-07-07 Juan C. Criado , Abdelhak Djouadi , Niko Koivunen , Kristjan Müürsepp , Martti Raidal , Hardi Veermäe

The longstanding discrepancy between the measured and the predicted values of the anomalous magnetic moment of the muon, $a_\mu = (g-2)/2$, is one of the most intriguing potential hints of new physics in particle physics. After a brief…

High Energy Physics - Phenomenology · Physics 2023-01-18 Bogdan Malaescu