The muon anomalous magnetic moment experiment at Brookhaven

Semertzidis, Yannis K.; Brown, H.; Bunce, G.; Carey, Robert M.; Cushman, P.; Danby, G. T.; Debevec, P. T.; Deng, Hui; Deninger, W.; Dhawan, S.; Дружинин, В. П.; Duong, L.; Earle, W.; Efstathiadis, E.; Farley, F. J. M.; Fedotovich, G. V.; Girón, S.; Gray, F.; Perdekamp, M. Grosse; Großmann, A.; Haeberlen, Ulrich; Hare, M.; Hazen, E.; Hertzog, D. W.; Hughes, V. W.; Iwasaki, M.; Jungmann, K.; Kawall, D.; Kawamura, M.; Khazin, B. I.; Kindem, J.; Krienen, F.; Kronkvist, I.; Larsen, R.; Lee, Y. Y.; Liu, W.; Logashenko, I.B.; McNabb, R.; Meng, W.; Mi, J.; Miller, J.; Morse, W. M.; Nikas, D.; Onderwater, C. J. G.; Orlov, Y.; Özben, C.; Pai, C.; Paley, J.; Polly, C. C.; Pretz, J.; Prigl, R.; Putlitz, G. zu; Redin, S. I.; Rind, O.; Roberts, B. L.; Ryskulov, N.M.; Sedykh, S.; Semertzidis, Y. K.; Shatunov, Yu. M.; Sichtermann, E. P.; Solodov, E. P.; Sossong, M.; Steinmetz, Andrew; Sulak, L.; Timmermans, C.; Trofimov, A.; Urner, D.; Walter, P. von; Warburton, D.; Winn, D.; Yamamoto, A.; Zimmerman, D.

doi:10.1063/1.1374985

Cited by 6 publications

(9 citation statements)

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“…3 If ρ µτ e ρ τ µ e is complex, the electric dipole moment (EDM) of the muon would be induced. The current limit of the muon EDM is |dµ| < 1.8 × 10 −19 e cm [17], which is expected to be improved up to 1 × 10 −24 e cm in the future experiments [18,19]. 4 In general, the other Yukawa couplings ρe might contribute to the muon g-2.…”

mentioning

confidence: 99%

Lepton-flavor-violating Higgs decay h → μτ and muon anomalous magnetic moment in a general two Higgs doublet model

Omura

Senaha

Tobe

2015

J. High Energ. Phys.

103

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A two Higgs doublet model (2HDM) is one of minimal extensions of the Standard Model (SM), and it is well-known that the general setup predicts the flavor-violating phenomena, mediated by neutral Higgs interactions. Recently the CMS collaboration has reported an excess of the lepton-flavor-violating Higgs decay in h → µτ channel with a significance of 2.4 σ. We investigate the CMS excess in a general 2HDM with tree-level Flavor Changing Neutral Currents (FCNCs), and discuss its impact on the other physical observations. Especially, we see that the FCNCs relevant to the excess can enhance the neutral Higgs contributions to the muon anomalous magnetic moment, and can resolve the discrepancy between the measured value and the SM prediction. We also find that the couplings to be consistent with the anomaly of the muon magnetic moment as well as the CMS excess in h → µτ predict the sizable rate of τ → µγ, which is within the reach of future B factory.

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mentioning

confidence: 99%

Lepton-flavor-violating Higgs decay h → μτ and muon anomalous magnetic moment in a general two Higgs doublet model

Omura

Senaha

Tobe

2015

J. High Energ. Phys.

103

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“…Axions are moltivated not only by the strong CP problem but also by string theory. The ADMX cavity experiment is starting to probe the strong CP parameter region, and future experiments are expected to reach most of the interesting region [58] [ Figure 17].…”

Section: Dark Mattermentioning

confidence: 99%

“…Also shown are the neutrino floor and the allowed region from a minimal supersymmetric model [56]. Right: Constraints on axions [58].…”

Section: Cosmic Raysmentioning

confidence: 99%

Conference Summary and Outlook: Particle Physics Past, Present, and Future

Langacker¹

2019

Proceedings of the 39th International Conference on High Energy Physics — PoS(ICHEP2018)

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The combination of these experimental probes established the basic structure of the SU(2) × U(1) model, constrained small deviations from many types of new physics, confirmed the program of renormalization, correctly predicted the approximate values of the t and (less accuratedly) Higgs masses, and indicated an approximate unification of the gauge couplings (including the QCD coupling) at a very high energy scale. (The gauge unification is more successful in the supersymmetric extension.) [Figure 3]• The observation of neutrino mass and mixing effects, 2 established in atmospheric neutrino oscillations in 1998 [28] (but with strong indications earlier from Solar neutrinos). It is still not certain whether the masses are Dirac or Majorana.• The observation of the Brout-Englert-Higgs (BEH) or "Higgs" boson by the ATLAS and CMS collaborations in 2012. Quantum Chromodynamics (QCD)The strong interaction part of the Standard Model is QCD [Figure 4], which was developed in the early 1970s (e.g., [29]). QCD is a gauge theory based on SU(3). It is essentially the unique renormalizable field theory consistent with the experimental information available at the time. Principal ingredients and developments included:• Deep inelastic ep scattering [17] and e + e − annihilation experiments at SLAC, which established spin-1/2 partons (quarks) and color.• The notions of asymptotic freedom [30,31], infrared slavery, and color confinement.• The observation of the gluon at DESY in 1979.

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“…On the last day of this conference, a new result of the E821 collaboration was presented based on the data collected in the year 2000 [4,5], corresponding to an additional 4 · 10 9 µ + decays: 10 10 a µ = 11 659 204 ± 8,…”

Section: Anomalous Magnetic Mo-ment Of the Muonmentioning

confidence: 99%

Electroweak physics

Grünewald¹

2003

Nuclear Physics B - Proceedings Supplements

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The muon anomalous magnetic moment experiment at Brookhaven

Cited by 6 publications

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Lepton-flavor-violating Higgs decay h → μτ and muon anomalous magnetic moment in a general two Higgs doublet model

Lepton-flavor-violating Higgs decay h → μτ and muon anomalous magnetic moment in a general two Higgs doublet model

Conference Summary and Outlook: Particle Physics Past, Present, and Future

Electroweak physics

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