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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

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 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

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 new experiment data of muon g-2 is reported by the workers at Fermilab National Accelerator Laboratory(FNAL). Combined with the previous Brookhaven National Laboratory(BNL) E821 result, the departure from the standard model prediction…

High Energy Physics - Phenomenology · Physics 2022-04-13 Shu-Min Zhao , Lu-Hao Su , Xing-Xing Dong , Tong-Tong Wang , Tai-Fu Feng

A discrepancy between the measured anomalous magnetic moment of the muon $(g - 2)_{\mu}$ and computed Standard Model value now stands at a combined $4.2\sigma$ following experiments at Brookhaven National Lab (BNL) and the Fermi National…

High Energy Physics - Phenomenology · Physics 2021-11-17 Joseph L. Lamborn , Tianjun Li , James A. Maxin , Dimitri V. Nanopoulos

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

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

I report on the progress of two new muon anomalous magnetic moment experiments, which are in advanced design and construction phases. The goal of Fermilab E989 is to reduce the experimental uncertainty of $a_\mu$ from Brookhaven E821 by a…

High Energy Physics - Experiment · Physics 2016-06-22 David W. Hertzog

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 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 recently published result from the Fermilab "MUON G-2" experiment has confirmed the persistent 3-4 $\sigma$ discrepancy between the experimental result from BNL for the anomalous magnetic moment of the muon, $(g-2)_\mu$ , and its…

High Energy Physics - Phenomenology · Physics 2021-11-02 Manimala Chakraborti , Sven Heinemeyer , Ipsita Saha

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

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 Fermilab Muon $g-2$ collaboration recently announced the first result of measurement of the muon anomalous magnetic moment ($g-2$), which confirmed the previous result at the Brookhaven National Laboratory and thus the discrepancy with…

High Energy Physics - Phenomenology · Physics 2021-07-14 Motoi Endo , Koichi Hamaguchi , Sho Iwamoto , Teppei Kitahara

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

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 current $\sim3.5\sigma$ discrepancy between the experimental measurement and theoretical prediction of the muon magnetic anomaly, $a_{\mu}$, stands as a potential indication of the existence of new physics. The Muon $g-2$ experiment at…

High Energy Physics - Experiment · Physics 2019-07-24 Alexander Keshavarzi

We study the deflected anomaly-mediated supersymmetry breaking (AMSB) scenario in the light of the recent result of the muon g-2 from Brookhaven E821 experiment. The E821 result suggests the deviation from the SM prediction, though there…

High Energy Physics - Phenomenology · Physics 2014-11-17 Nobutaka Abe , Motoi Endo

This White Paper briefly reviews the present status of the muon (g-2) Standard-Model prediction. This value results in a 3 - 4 standard-deviation difference with the experimental result from Brookhaven E821. The present experimental…

High Energy Physics - Phenomenology · Physics 2013-11-12 Thomas Blum , Achim Denig , Ivan Logashenko , Eduardo de Rafael , B. Lee Roberts , Thomas Teubner , Graziano Venanzoni