Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm

Bennett, G. W.; Bousquet, B.; Brown, H.; Bunce, G.; Carey, R. M.; Cushman, P.; Danby, G. T.; Debevec, P. T.; Deile, M.; Deng, Hui; Dhawan, S. K.; Дружинин, В. П.; Duong, L.; Farley, F. M. J.; Fedotovich, G. V.; Gray, F.; Grigoriev, D.N.; Grosse‐Perdekamp, M.; Großmann, A.; Hare, M.; Hertzog, D. W.; Huang, [No Value]; Hughes, V. W.; Iwasaki, M.; Jungmann, K.; Kawall, D.; Khazin, B. I.; Krienen, F.; Kronkvist, [No Value]; Lam, A.; Larsen, R.; Lee, Y.Y.; Logashenko, [No Value]; McNabb, R.; Meng, W.; 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.; Semertzidis, Y. K.; Shagin, P.; Shatunov, Y.-U. M.; Sichtermann, E. P.; Solodov, E. P.; Sossong, M.; Sulak, L.; Trofimov, A.; Walter, P. von; Yamamoto, A.; Huang, X. T.; Kronkvist, I.; Logashenko, I.B.; Polley, C.C.; Walter, R. von

doi:10.1103/physrevlett.92.161802

Cited by 681 publications

(333 citation statements)

References 22 publications

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“…The average experimental value of a µ is 116592080(63) × 10 −11 [39], with an error that is statistics dominated. The dominant uncertainties in the Standard Model computation of a µ arise from hadronic lightby-light scattering and vacuum polarisation diagrams -for recent reviews see [41,40].…”

Section: Jhep08(2007)061mentioning

confidence: 99%

Sparticle spectra and LHC signatures for large volume string compactifications

Conlon

Kom²,

Suruliz³

et al. 2007

J. High Energy Phys.

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Section: Jhep08(2007)061mentioning

confidence: 99%

Sparticle spectra and LHC signatures for large volume string compactifications

Conlon

Kom²,

Suruliz³

et al. 2007

J. High Energy Phys.

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“…This range in ∆(g − 2) µ is the union of the 3σ intervals around the SM value, (0.0 ± 5.9) × 10 −10 from combining [89] the results of refs. [90][91][92] and the experimental measurement [93,94] corrected to an updated value of the muon to proton magnetic moment ratio [95,96] giving ∆(g − 2) µ,exp = (24.9 ± 6.3) × 10 −10 . Three-sigma intervals are used to obtain a continuous range from the union.…”

Section: Jhep10(2015)134mentioning

confidence: 99%

Summary of the ATLAS experiment’s sensitivity to supersymmetry after LHC Run 1 — interpreted in the phenomenological MSSM

Aad

Bergeås

Brenner

et al. 2015

J. High Energ. Phys.

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100

169

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A summary of the constraints from the ATLAS experiment on R-parityconserving supersymmetry is presented. Results from 22 separate ATLAS searches are considered, each based on analysis of up to 20.3 fb −1 of proton-proton collision data at centre-of-mass energies of √ s = 7 and 8 TeV at the Large Hadron Collider. The results are interpreted in the context of the 19-parameter phenomenological minimal supersymmetric standard model, in which the lightest supersymmetric particle is a neutralino, taking into account constraints from previous precision electroweak and flavour measurements as well as from dark matter related measurements. The results are presented in terms of constraints on supersymmetric particle masses and are compared to limits from simplified models. The impact of ATLAS searches on parameters such as the dark matter relic density, the couplings of the observed Higgs boson, and the degree of electroweak fine-tuning is also shown. Spectra for surviving supersymmetry model points with low fine-tunings are presented. The ATLAS collaboration 58 Keywords: Hadron-Hadron Scattering IntroductionDuring the first run of the Large Hadron Collider (LHC), the ATLAS [1] and CMS [2] Collaborations performed a wide range of searches for supersymmetry (SUSY) [3][4][5][6][7][8][9][10][11], using proton-proton (pp) collision data at centre-of-mass energies ( √ s) of 7 and 8 TeV. SUSY, a theoretically favoured framework for extending the Standard Model (SM), is able to address some of its unanswered questions, particularly the hierarchy problem [12][13][14][15], which is related to the fine-tuning needed to obtain the correct mass for the observed Higgs boson. SUSY can also provide credible dark matter candidates [16,17] and can improve the unification of the electroweak and strong interactions [18][19][20][21][22][23][24][25][26].The minimal supersymmetric extension of the Standard Model (MSSM) [27][28][29][30][31] predicts partners for each of the SM states. It predicts a pair of scalar partners -one for each fermion chirality -for each of the SM quarks and leptons. These spin-zero partner particles are known as squarks (q) and sleptons (˜ ) respectively. In the first two generations the pair of chiral partners is largely unmixed, so the mass states can be labelledẽ L andẽ R , where the L and R subscripts denote the scalar partners of the left-and right-handed Standard Model fermion states respectively. In the third generation of quarks and leptons the mixing between the scalars is larger, and the mixed states are labelled by their mass indices e.g.t 1 and t 2 , wheret 1 is lighter by construction. Each state in the SM gluon colour octet has a spinhalf partner known as a gluinog. There are a total of eight spin-half partners of the electroweak gauge and Higgs bosons: the neutral bino (superpartner of the U(1) gauge field); the winos, which are a charged pair and a neutral particle (superpartners of the W bosons of the SU(2) L gauge fields); and the Higgsinos, which are two neutral particles and a charged pai...

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“…It is able to explain the current 3.6σ disagreement between theory and experiment of the muon (g-2) anomalous magnetic moment by introducing new particles in the loops [19][20][21][22][23][24].…”

Section: Supersymmetrymentioning

confidence: 99%

Beyond Standard Model Collider Phenomenology of Higgs Physics and Supersymmetry

Thomas¹

2016

Springer Theses

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In this thesis I study the collider phenomenology of BSM physics at the LHC, concentrating on the Higgs boson and supersymmetery. The implications and effects on cross sections of the loss of unitarity in scattering processes involving multiple vector bosons and/or the Higgs, when the Higgs couplings to the W and the Z are non-SM, is studied using an effective Lagrangian. Subsequently methods to remove unwanted background from transversely polarised vector bosons are explored, which enable an estimation of the potential to measure the Higgs couplings to weak bosons in a model-independent way via vector boson fusion. MSSM effects on Higgs production and decay are also considered, concentrating on the effects due to light stops, sbottoms and staus. Amongst other things, we find that light 3 rd generation squarks generally produce asymmetrical alteration in signal strengths of different production channels, generally causing µ V BF µ ggF > 1. Finally we extend some ATLAS analyses in the low ∆m = mt − mχ0 1 region, extending the excluded masses of light stops. This enables us to limit the maximum effects of light stops on the Higgs, and further limits the parameter space where the light stop scenario of electroweak baryogenesis is viable.

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Measurement of the Negative Muon Anomalous Magnetic Moment to 0.7 ppm

Cited by 681 publications

References 22 publications

Sparticle spectra and LHC signatures for large volume string compactifications

Sparticle spectra and LHC signatures for large volume string compactifications

Summary of the ATLAS experiment’s sensitivity to supersymmetry after LHC Run 1 — interpreted in the phenomenological MSSM

Beyond Standard Model Collider Phenomenology of Higgs Physics and Supersymmetry

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