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Related papers: The Muon g-2 Experiment at Fermilab

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The Muon g-2 experiment at Fermilab will measure the anomalous magnetic moment of the muon to a precision of 140 parts per billion, which is a factor of four improvement over the previous E821 measurement at Brookhaven. The experiment will…

High Energy Physics - Experiment · Physics 2018-07-01 J. L. Holzbauer

The Muon g-2 Experiment at Fermilab will measure the anomalous magnetic moment of the muon to a precision of 140 parts per billion, which is a factor of four improvement over the previous E821 measurement at Brookhaven. The experiment will…

Instrumentation and Detectors · Physics 2017-01-04 J. L. Holzbauer

The upcoming Fermilab E989 experiment will measure the muon anomalous magnetic moment $a_{\mu}$ . This measurement is motivated by the previous measurement performed in 2001 by the BNL E821 experiment that reported a 3-4 standard deviation…

Instrumentation and Detectors · Physics 2017-04-05 Antoine Chapelain

Anomalous magnetic moment of the muon, $a_{\mu}=(g_{\mu}-2)/2$, is one of the most precisely measured quantities in particle physics and it provides a stringent test of the Standard Model. The planned improvements of the experimental…

High Energy Physics - Lattice · Physics 2017-04-24 Marina Krstic Marinkovic

We review the role of the anomalous magnetic moment of the muon a_\mu as a powerful probe of physics beyond the Standard Model (BSM), taking advantage of the final result of the Fermilab g-2 experiment and the recently updated Standard…

High Energy Physics - Phenomenology · Physics 2026-02-27 Peter Athron , Kilian Möhling , Dominik Stöckinger , Hyejung Stöckinger-Kim

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

The Muon g-2 experiment at Fermilab seeks to measure the muon magnetic moment anomaly, $a_\mu =(g-2)/2$, with a final target precision of 0.14 parts-per-million (ppm). The experiment's initial result, published in 2021 using Run 1 data from…

High Energy Physics - Experiment · Physics 2025-06-27 Estifa'a Zaid

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

The muon anomalous magnetic moment measurement, when compared with theory, can be used to test many extensions to the standard model. The most recent measurement made by the Brookhaven E821 Collaboration reduces the uncertainty on the world…

Nuclear Experiment · Physics 2009-11-10 David W. Hertzog

The Muon g-2 collaboration has measured the anomalous magnetic g value, a = (g-2)/2, of the positive muon with an unprecedented uncertainty of 0.7 parts per million. The result, based on data collected in the year 2000 at Brookhaven…

High Energy Physics - Experiment · Physics 2019-08-14 E. P. Sichtermann

The Muon g-2 Experiment (E989) at Fermilab is seeking to measure the anomalous magnetic moment of muon ($a_{\mu}$) with a precision of 140 parts-per-billion (ppb) and aiming to resolve the discrepancy between the E821 measurement and the…

Instrumentation and Detectors · Physics 2018-10-10 Ran Hong

We present a new measurement of the positive muon magnetic anomaly, $a_\mu \equiv (g_\mu - 2)/2$, from the Fermilab Muon $g\!-\!2$ Experiment using data collected in 2019 and 2020. We have analyzed more than 4 times the number of positrons…

High Energy Physics - Experiment · Physics 2023-10-18 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 , 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 , 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

The very precise measurement of the anomalous magnetic moment of the muon, recently released by the Muon g-2 experiment at Fermilab, can serve to set stringent constraints on new particles. If the observed 4$\sigma$ discrepancy from the…

High Energy Physics - Phenomenology · Physics 2021-12-24 J. C. Criado , A. Djouadi , N. Koivunen , K. Müürsepp , M. Raidal , H. Veermäe

We present the first results of the Fermilab Muon g-2 Experiment for the positive muon magnetic anomaly $a_\mu \equiv (g_\mu-2)/2$. The anomaly is determined from the precision measurements of two angular frequencies. Intensity variation of…

High Energy Physics - Experiment · Physics 2021-04-14 B. Abi , T. Albahri , S. Al-Kilani , D. Allspach , L. P. Alonzi , A. Anastasi , A. Anisenkov , F. Azfar , K. Badgley , S. Baeßler , I. Bailey , V. A. Baranov , E. Barlas-Yucel , T. Barrett , E. Barzi , A. Basti , F. Bedeschi , A. Behnke , M. Berz , M. Bhattacharya , H. P. Binney , R. Bjorkquist , P. Bloom , J. Bono , E. Bottalico , T. Bowcock , D. Boyden , G. Cantatore , R. M. Carey , J. Carroll , B. C. K. Casey , D. Cauz , S. Ceravolo , R. Chakraborty , S. P. Chang , A. Chapelain , S. Chappa , S. Charity , R. Chislett , J. Choi , Z. Chu , T. E. Chupp , M. E. Convery , A. Conway , G. Corradi , S. Corrodi , L. Cotrozzi , J. D. Crnkovic , S. Dabagov , P. M. De Lurgio , P. T. Debevec , S. Di Falco , P. Di Meo , G. Di Sciascio , R. Di Stefano , B. Drendel , A. Driutti , V. N. Duginov , M. Eads , N. Eggert , A. Epps , J. Esquivel , M. Farooq , R. Fatemi , C. Ferrari , M. Fertl , A. Fiedler , A. T. Fienberg , A. Fioretti , D. Flay , S. B. Foster , H. Friedsam , E. Frlež , N. S. Froemming , J. Fry , C. Fu , C. Gabbanini , M. D. Galati , S. Ganguly , A. Garcia , D. E. Gastler , J. George , L. K. Gibbons , A. Gioiosa , K. L. Giovanetti , P. Girotti , W. Gohn , T. Gorringe , J. Grange , S. Grant , F. Gray , S. Haciomeroglu , D. Hahn , T. Halewood-Leagas , D. Hampai , F. Han , E. Hazen , J. Hempstead , S. Henry , A. T. Herrod , D. W. Hertzog , G. Hesketh , A. Hibbert , Z. Hodge , J. L. Holzbauer , K. W. Hong , R. Hong , M. Iacovacci , M. Incagli , C. Johnstone , J. A. Johnstone , P. Kammel , M. Kargiantoulakis , M. Karuza , J. Kaspar , D. Kawall , L. Kelton , A. Keshavarzi , D. Kessler , K. S. Khaw , Z. Khechadoorian , N. V. Khomutov , B. Kiburg , M. Kiburg , O. Kim , S. C. Kim , Y. I. Kim , B. King , N. Kinnaird , M. Korostelev , I. Kourbanis , E. Kraegeloh , V. A. Krylov , A. Kuchibhotla , N. A. Kuchinskiy , K. R. Labe , J. LaBounty , M. Lancaster , M. J. Lee , S. Lee , S. Leo , B. Li , D. Li , L. Li , I. Logashenko , A. Lorente Campos , A. Lucà , G. Lukicov , G. Luo , A. Lusiani , A. L. Lyon , B. MacCoy , R. Madrak , K. Makino , F. Marignetti , S. Mastroianni , S. Maxfield , M. McEvoy , W. Merritt , A. A. Mikhailichenko , J. P. Miller , S. Miozzi , J. P. Morgan , W. M. Morse , J. Mott , E. Motuk , A. Nath , D. Newton , H. Nguyen , M. Oberling , R. Osofsky , J. -F. Ostiguy , S. Park , G. Pauletta , G. M. Piacentino , R. N. Pilato , K. T. Pitts , B. Plaster , D. Počanić , N. Pohlman , C. C. Polly , M. Popovic , J. Price , B. Quinn , N. Raha , S. Ramachandran , E. Ramberg , N. T. Rider , J. L. Ritchie , B. L. Roberts , D. L. Rubin , L. Santi , D. Sathyan , H. Schellman , C. Schlesier , A. Schreckenberger , Y. K. Semertzidis , Y. M. Shatunov , D. Shemyakin , M. Shenk , D. Sim , M. W. Smith , A. Smith , A. K. Soha , M. Sorbara , D. Stöckinger , J. Stapleton , D. Still , C. Stoughton , D. Stratakis , C. Strohman , T. Stuttard , H. E. Swanson , G. Sweetmore , D. A. Sweigart , M. J. Syphers , D. A. Tarazona , T. Teubner , A. E. Tewsley-Booth , K. Thomson , V. Tishchenko , N. H. Tran , W. Turner , E. Valetov , D. Vasilkova , G. Venanzoni , V. P. Volnykh , T. Walton , M. Warren , A. Weisskopf , L. Welty-Rieger , M. Whitley , P. Winter , A. Wolski , M. Wormald , W. Wu , C. Yoshikawa

Since its discovery, the muon has proven to be an invaluable probe of the Standard Model (SM). Muons are readily available in tertiary beams in facilities around the world. They do not decay hadronically and have a lifetime of a few $\mu$…

High Energy Physics - Experiment · Physics 2025-02-04 Sophie Middleton

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 magnetic moment anomaly a_mu = (g_mu - 2) / 2 of the positive muon has been measured at the Brookhaven Alternating Gradient Synchrotron with an uncertainty of 0.7 ppm. The new result, based on data taken in 2000, agrees well with…

High Energy Physics - Experiment · Physics 2009-11-07 M. Deile

The Fermilab Muon $g-2$ experiment recently reported its first measurement of the anomalous magnetic moment $a_\mu^{\textrm{FNAL}}$, which is in full agreement with the previous BNL measurement and pushes the world average deviation $\Delta…

High Energy Physics - Phenomenology · Physics 2021-10-11 Peter Athron , Csaba Balázs , Douglas HJ Jacob , Wojciech Kotlarski , Dominik Stöckinger , Hyejung Stöckinger-Kim

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

A precision measurement of the muon anomalous magnetic moment, $a_{\mu} = (g-2)/2$, was previously performed at BNL with a result of 2.2 - 2.7 standard deviations above the Standard Model (SM) theoretical calculations. The same experimental…

Accelerator Physics · Physics 2013-01-30 C. Yoshikawa , A. Leveling , N. V. Mokhov , J. Morgan , D. Neuffer , S. Striganov