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4 results on '"J.E. Rice"'

1. Diagnostic Systems on Alcator C-Mod

Author

Yu-Ming Lin, E.M. Edlund, S.M. Wolfe, G. J. Kramer, J.L. Terry, Ian H. Hutchinson, Bruce Lipschultz, J.E. Rice, J. A. Snipes, E. S. Marmar, R.R. Parker, J. H. Irby, P. E. Phillips, R. V. Bravenec, S. D. Scott, A. Dominguez, Brian LaBombard, Robert Granetz, Jerry Hughes, Amanda Hubbard, L. Lin, G. Schilling, D. A. Mossessian, N. P. Basse, Miklos Porkolab, S.J. Wukitch, K. Zhurovich, Vincent Tang, Stewart Zweben, W. L. Rowan, J. Liptac, and C.L. Fiore

Subjects
Cryostat, Nuclear and High Energy Physics, Tokamak, 020209 energy, Cyclotron, 02 engineering and technology, Electron, 01 natural sciences, 010305 fluids & plasmas, law.invention, Nuclear physics, Optics, Alcator C-Mod, law, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, General Materials Science, Magnetohydrodynamic drive, Civil and Structural Engineering, Physics, business.industry, Mechanical Engineering, Plasma, Magnetic field, Nuclear Energy and Engineering, business
Abstract

An overview of the diagnostics installed on the Alcator C-Mod tokamak is presented. Approximately 25 diagnostic systems are being operated on C-Mod. The compact design of the machine and the cryostat enclosing the vacuum vessel and magnetic field coils make access challenging. Diagnostics are used to study four focus areas: transport, plasma boundary, waves, and macrostability. There is significant overlap between these topics, and they all contribute toward the burning plasma and advanced tokamak thrusts. Several advanced and novel diagnostics contribute to the investigation of C-Mod plasmas, e.g., electron cyclotron emission, phase-contrast imaging, gas puff imaging, probe measurements, and active magnetohydrodynamic antennas.

Published
2007

2. Core Atomic Physics Studies in Alcator C-Mod

Author

E. S. Marmar, J.E. Rice, J.L. Terry, and Kevin B. Fournier

Subjects
Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, 020209 energy, chemistry.chemical_element, 02 engineering and technology, 01 natural sciences, 010305 fluids & plasmas, symbols.namesake, Neon, Alcator C-Mod, Physics::Plasma Physics, 0103 physical sciences, Physics::Atomic and Molecular Clusters, 0202 electrical engineering, electronic engineering, information engineering, General Materials Science, Physics::Atomic Physics, Helium, Civil and Structural Engineering, Physics, Argon, Spectrometer, Mechanical Engineering, Krypton, Plasma, Nuclear Energy and Engineering, chemistry, Physics::Space Physics, Rydberg formula, symbols, Atomic physics
Abstract

The Rydberg series (1s2 to 1snp) up to n = 14 of helium-like argon (Z = 18) has been observed from Alcator C-Mod plasmas using a high-resolution X-ray spectrometer array. High-n satellites to these...

Published
2007

3. Confinement and Transport Research in Alcator C-Mod

Author

E.M. Edlund, S.M. Wolfe, Yu-Ming Lin, Ian H. Hutchinson, J.L. Terry, S. D. Scott, P. E. Phillips, Amanda Hubbard, J.A. Snipes, Robert Granetz, S.J. Wukitch, E. S. Marmar, D. A. Mossessian, Miklos Porkolab, Martin Greenwald, Brian LaBombard, L. Lin, J. H. Irby, Nils T. Basse, J.E. Rice, R. V. Bravenec, D. Mikkelsen, K. Zhurovich, William L. Rowan, Bruce Lipschultz, Darin Ernst, C.L. Fiore, P.T. Bonoli, and Jerry Hughes

Subjects
Physics, Nuclear and High Energy Physics, Tokamak, 020209 energy, Mechanical Engineering, 02 engineering and technology, Plasma, Condensed Matter::Mesoscopic Systems and Quantum Hall Effect, 01 natural sciences, 010305 fluids & plasmas, law.invention, Nuclear physics, Nuclear Energy and Engineering, Alcator C-Mod, Physics::Plasma Physics, law, Physics::Space Physics, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, General Materials Science, Atomic physics, Ohmic contact, Scaling, Civil and Structural Engineering
Abstract

Global and local transport experiments in ohmic, L-mode and H-mode regimes on the Alcator C-Mod tokamak are summarized. For ohmic plasmas, earlier results derived for energy confinement scaling in ...

Published
2007

4. H-Mode Pedestal and L-H Transition Studies on Alcator C-Mod

Author

Martin Greenwald, J. H. Irby, Yu-Ming Lin, Ian H. Hutchinson, S.M. Wolfe, Brian LaBombard, D. A. Mossessian, Miklos Porkolab, Robert Granetz, Amanda Hubbard, K. Zhurovich, J.A. Snipes, J.L. Terry, J.E. Rice, E. S. Marmar, Jerry Hughes, and T. M. Biewer

Subjects
Physics, Nuclear and High Energy Physics, 020209 energy, Mechanical Engineering, Mode (statistics), 02 engineering and technology, Transport barrier, Edge (geometry), 01 natural sciences, 010305 fluids & plasmas, Pedestal, Nuclear Energy and Engineering, Alcator C-Mod, 0103 physical sciences, 0202 electrical engineering, electronic engineering, information engineering, General Materials Science, Atomic physics, Civil and Structural Engineering
Abstract

H-mode research on Alcator C-Mod is described, with a focus on the edge transport barrier (ETB). ETB pedestals are characterized using several diagnostics, leading to a thorough description of prof...

Published
2007

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