A New Experiment to Measure the Muon Electric Dipole Moment

Miller, J.; Carey, Robert M.; Logashenko, V.; Lynch, Kevin R.; Roberts, B. L.; Silenko, Alexander J.; Bennett, G. W.; Lazarus, D. M.; Leipuner, L. B.; Marciano, William J.; Meng, W.; Morse, W.M.; Prigl, R.; Semertzidis, Yannis K.; Balakin, V.; Bazhan, A. N.; Dunikov, A.; Khazin, B. I.; Khriplovich, I. B.; Sylvestrov, G.; Orlov, Y.; Jungmann, Klaus-Peter; Debevec, P. T.; Hertzog, D. W.; Onderwater, C. J. G.; Özben, C. S.; Stephenson, E. J.; Auzinsh, M.; Cushman, P.; McNabb, R.; Shafer-Ray, Neil; Yoshimura, K.; Aoki, A.; Kuno, Y.; Sato, Akira; Iwasaki, M.; Farley, F. J. M.

doi:10.1063/1.1664225

Cited by 4 publications

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Flavor physics of leptons and dipole moments

Raidal¹,

Schaaf²,

Bigi³

et al. 2009

Flavor in the Era of the LHC

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This chapter of the report of the "Flavour in the era of the LHC" Workshop discusses the theoretical, phenomenological and experimental issues related to flavour phenomena in the charged lepton sector and in flavour-conserving CP-violating processes. We review the current experimental limits and the main theoretical models for the flavour structure of fundamental particles. We analyze the phenomenological consequences of the available data, setting constraints on explicit models beyond the Standard Model, presenting benchmarks for the discovery potential of forthcoming measurements both at the LHC and at low energy, and exploring options for possible future experiments.

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Flavor physics of leptons and dipole moments

Raidal¹,

Schaaf²,

Bigi³

et al. 2009

Flavor in the Era of the LHC

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CP violation in the SUSY seesaw: leptogenesis and low energy

Davidson¹,

Garayoa²,

Palorini³

et al. 2008

J. High Energy Phys.

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We suppose that the baryon asymmetry is produced by thermal leptogenesis (with flavour effects), at temperatures ∼ 10 9 -10 10 GeV, in the supersymmetric seesaw with universal and real soft terms. The parameter space is restricted by assuming that ℓ α → ℓ β γ processes will be seen in upcoming experiments. We study the sensitivity of the baryon asymmetry to the phases of the lepton mixing matrix, and find that leptogenesis can work for any value of the phases. We also estimate the contribution to the electric dipole moment of the electron, arising from the seesaw, and find that it is (just) beyond the sensitivity of next generation experiments ( 10 −29 e cm). The fourteen dimensional parameter space is efficiently explored with a Monte Carlo Markov Chain, which concentrates on the regions of interest.

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SO(10)SUSY GUT for fermion masses: Lepton flavor andCPviolation

2006

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We discuss the results of a global 2 analysis of a simple SO10 supersymmetric grand unified theory (SUSY GUT) with D 3 family symmetry and low energy R parity. The model describes fermion mass matrices with 14 parameters and gives excellent fits to 20 observable masses and mixing angles in both quark and lepton sectors, giving six predictions. Bi-large neutrino mixing is obtained with hierarchical quark and lepton Yukawa matrices, thus avoiding the possibility of large lepton flavor violation. The model naturally predicts small 1-3 neutrino mixing, with sin 13 ' 0:05-0:06. In this paper we evaluate the predictions for the lepton flavor violating processes, ! e, ! and ! e and also the electric dipole moment of the electron (d e ), the muon, and the tau, assuming universal squark and slepton masses (m 16 ) and a universal soft SUSY breaking A parameter (A 0 ) at the GUT scale. We find Br ! e is naturally below present bounds, but may be observable by MEG. Similarly, d e is below present bounds, but it is within the range of future experiments. We also give predictions for the light Higgs mass (using FEYNHIGGS). We find an upper bound given by m h 127 GeV, with an estimated 3 GeV theoretical uncertainty. Finally we present predictions for SUSY particle masses in the favored region of parameter space.

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A New Experiment to Measure the Muon Electric Dipole Moment

Abstract: A neutrino-factory muon storage ring to provide beams for multiple detectors around the world AIP Conf.

Cited by 4 publications

References 0 publications

Flavor physics of leptons and dipole moments

Flavor physics of leptons and dipole moments

CP violation in the SUSY seesaw: leptogenesis and low energy

SO(10)SUSY GUT for fermion masses: Lepton flavor andCPviolation

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