New Results from the Muon g - 2 Experiment

Sichtermann, E. P.; Bennett, G. W.; Bousquet, B.; Brown, H.; Bunce, G.; Carey, Robert M.; Cushman, P.; Danby, G. T.; Debevec, P. T.; Deile, M.; Deng, Hui; Deninger, W.; Dhawan, S. K.; Дружинин, В. П.; Duong, L.; Efstathiadis, E.; Farley, F. J. M.; Федотович, Г. В.; Girón, S.; Gray, F.; Grigoriev, D.N.; Grosse‐Perdekamp, M.; Großmann, A.; Hare, M.; Hertzog, D. W.; Huang, X. T.; Hughes, V. W.; Iwasaki, M.; Jungmann, K.; Kawall, D.; Khazin, B. I.; Kindem, J.; Krienen, F.; Kronkvist, I.; Lam, A.; Larsen, Reinhard; Lee, Y. Y.; Logashenko, I.B.; McNabb, R.; Wang, Meng; Mi, J.; Miller, J.; Morse, W. M.; Nikas, D.; Onderwater, C. J. G.; Orlov, Y.; Özben, C. S.; Paley, J. M.; Peng, Qiu‐He; Polly, C. C.; Pretz, J.; Prigl, R.; Putlitz, G. zu; Qian, T.; Redin, S. I.; Rind, O.; Roberts, B. L.; Ryskulov, N.M.; Shagin, P.; Semertzidis, Y. K.; Shatunov, Yu. M.; Solodov, E.; Sossong, M.; Steinmetz, Andrew; Sulak, L.; Trofimov, A.; Urner, D.; Walter, P. von; Warburton, D.; Yamamoto, A.

doi:10.1063/1.1607112

Cited by 3 publications

(1 citation statement)

References 24 publications

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“…The MECO (Muon on Electron COnversion) experiment at Brookhaven [521] aims to improve the limits on µ−e conversion in nuclei by three orders of magnitude. Further constraints can be obtained from muon g −2 [522,523], and the violation of CKM unitarity [524][525][526].…”

Section: Nutev Physicsmentioning

confidence: 99%

Theory of neutrinos: a white paper

et al. 2007

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During 2004, four divisions of the American Physical Society commissioned a study of neutrino physics to take stock of where the field is at the moment and where it is going in the near and far future. Several working groups looked at various aspects of this vast field. The summary was published as a main report entitled "The Neutrino Matrix" accompanied by short 50 page versions of the report of each working group. Theoretical research in this field has been quite extensive and touches many areas and the short 50 page report [1] provided only a brief summary and overview of few of the important points. The theory discussion group felt that it may be of value to the community to publish the entire study as a white paper and the result is the current article. After a brief overview of the present knowledge of neutrino masses and mixing and some popular ways to probe the new physics implied by recent data, the white paper summarizes what can be learned about physics beyond the Standard Model from the various proposed neutrino experiments. It also comments on the impact of the experiments on our understanding of the origin of the matter-antimatter asymmetry of the Universe and the basic nature of neutrino interactions as well as the existence of possible additional neutrinos. Extensive references to original literature are provided.2

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Section: Nutev Physicsmentioning

confidence: 99%

Theory of neutrinos: a white paper

et al. 2007

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Two-loop SUSY corrections to the anomalous magnetic moment of the muon

Heinemeyer¹,

Stöckinger²,

Weiglein³

2004

Nuclear Physics B

159

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We calculate supersymmetric two-loop corrections to the anomalous magnetic moment of the muon, consisting of diagrams with a closed scalar fermion or fermion loop and gauge and/or Higgs boson exchange. We discuss the numerical impact of each subclass of diagrams and determine the leading contributions. We analyze in detail constraints from experimental information on the Higgs boson mass, ∆ρ, and the branching ratios of B → X s γ and B s → µ + µ − . If these constraints are taken into account, the largest possible effect of our two-loop corrections is reduced from more than 3 σ (in terms of the current experimental error) to ∼ 0.5 σ, such that the influence on the total supersymmetric prediction is smaller than previously estimated. However, exceptions arise in rather extreme parameter scenarios with a strong non-universality between the soft breaking parameters in the stop and sbottom sectors. * email: Sven.Heinemeyer@cern.ch †

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Two-loop supersymmetric corrections to lepton anomalous magnetic and electric dipole moments

Feng

Lin

et al. 2006

Phys. Rev. D

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Using the effective Lagrangian method, we analyze the electroweak corrections to the anomalous dipole moments of lepton from some special two-loop topological diagrams which are composed of neutralino (chargino) -slepton (sneutrino) in the minimal supersymmetric extension of the standard model (MSSM). Considering the translational invariance of the inner loop momenta and the electromagnetic gauge invariance, we get all dimension 6 operators and derive their coefficients.After applying equations of motion to the external leptons, the anomalous dipole moments of lepton are obtained. The numerical results imply that there is a parameter space where the two-loop supersymmetric corrections to the muon anomalous dipole moments may be significant.

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New Results from the Muon g - 2 Experiment

Cited by 3 publications

References 24 publications

Theory of neutrinos: a white paper

Theory of neutrinos: a white paper

Two-loop SUSY corrections to the anomalous magnetic moment of the muon

Two-loop supersymmetric corrections to lepton anomalous magnetic and electric dipole moments

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