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Journal Articles

In-beam $$gamma$$-ray spectroscopy of $$^{35}$$Mg and $$^{33}$$Na

Gade, A.*; Basin, D.*; Brown, B. A.*; Campbell, C. M.*; Cook, J. M.*; Ettenauer, S.*; Glasmacher, T.*; Kemper, K. W.*; McDaniel, S.*; Obertelli, A.*; et al.

Physical Review C, 83(4), p.044305_1 - 044305_5, 2011/04

 Times Cited Count:20 Percentile:77.72(Physics, Nuclear)

no abstracts in English

Journal Articles

Two-proton knockout from $$^{32}$$Mg; Intruder amplitudes in $$^{30}$$Ne and implications for the binding of $$^{29,31}$$F

Fallon, P.*; Rodriguez-Vieitez, E.*; Macchiavelli, A. O.*; Gade, A.*; Tostevin, J. A.*; Adrich, P.*; Bazin, D.*; Bowen, M.*; Campbell, C. M.*; Clark, R. M.*; et al.

Physical Review C, 81(4), p.041302_1 - 041302_5, 2010/04

 Times Cited Count:37 Percentile:89.09(Physics, Nuclear)

no abstracts in English

Journal Articles

Pedestal stability comparison and ITER pedestal prediction

Snyder, P. B.*; Aiba, Nobuyuki; Beurskens, M.*; Groebner, R. J.*; Horton, L. D.*; Hubbard, A. E.*; Hughes, J. W.*; Huysmans, G. T. A.*; Kamada, Yutaka; Kirk, A.*; et al.

Nuclear Fusion, 49(8), p.085035_1 - 085035_8, 2009/08

 Times Cited Count:150 Percentile:98.87(Physics, Fluids & Plasmas)

The pressure at the top of the edge transport barrier impacts fusion performance, while large ELMs can constrain material lifetimes. Investigation of intermediate wavelength MHD mode has led to improved understanding of the pedestal height and the mechanism for ELMs. The combination of high resolution diagnostics and a suite of stability codes has made edge stability analysis routine, and contribute both to understanding, and to experimental planning and performance optimization. Here we present extensive comparisons of observations to predicted edge stability boundaries on several tokamaks, both for the standard (Type I) ELM regime, and for small ELM and ELM-free regimes. We further discuss a new predictive model for the pedestal height and width (EPED1), developed by self-consistently combining a simple width model with peeling-ballooning stability calculations. This model is tested against experimental measurements, and used in initial predictions of the pedestal height for ITER.

Journal Articles

Pedestal stability comparison and ITER pedestal prediction

Snyder, P. B.*; Aiba, Nobuyuki; Beurskens, M.*; Groebner, R. J.*; Horton, L. D.*; Hubbard, A. E.*; Hughes, J. W.*; Huysmans, G. T. A.*; Kamada, Yutaka; Kirk, A.*; et al.

Proceedings of 22nd IAEA Fusion Energy Conference (FEC 2008) (CD-ROM), 8 Pages, 2008/10

Investigation of intermediate wavelength MHD modes has led to improved understanding of important constraints on the pedestal height and the mechanism for ELMs. The combination of high resolution pedestal diagnostics and a suite of highly efficient stability codes, has made edge stability analysis routine on several major tokamaks, contributing both to understanding, and to experimental planning and performance optimization. Here we present extensive comparisons of observations to predicted edge stability boundaries on several tokamaks, both for the standard ELM regime, and for small ELM and ELM-free regimes. We further use the stability constraint on pedestal height to test models of the pedestal width, and self-consistently combine a simple width model with MHD stability calculations to develop a new predictive model (EPED1) for the pedestal height and width. This model is tested against experimental measurements, and used in initial predictions of the pedestal height for ITER.

Journal Articles

Intermediate-energy Coulomb excitation of $$^{30}$$Na

Ettenauer, S.*; Zwahlen, H.*; Adrich, P.*; Bazin, D.*; Campbell, C. M.*; Cook, J. M.*; Davies, A. D.*; Dinca, D.-C.*; Gade, A.*; Glasmacher, T.*; et al.

Physical Review C, 78(1), p.017302_1 - 017302_4, 2008/07

 Times Cited Count:13 Percentile:65.44(Physics, Nuclear)

no abstracts in English

Journal Articles

Single-neutron knockout from intermediate energy beams of $$^{30,32}$$Mg; Mapping the transition into the "island of inversion"

Terry, J. R.*; Brown, B. A.*; Campbell, C. M.*; Cook, J. M.*; Davies, A. D.*; Dinca, D.-C.*; Gade, A.*; Glasmacher, T.*; Hansen, P. G.*; Sherrill, B. M.*; et al.

Physical Review C, 77(1), p.014316_1 - 014316_12, 2008/01

 Times Cited Count:68 Percentile:95.08(Physics, Nuclear)

no abstracts in English

Journal Articles

Spectroscopy of $$^{36}$$Mg; Interplay of normal and intruder configurations at the neutron-rich boundary of the "Island of Inversion"

Gade, A.*; Adrich, P.*; Bazin, D.*; Bowen, M. D.*; Brown, B. A.*; Campbell, C. M.*; Cook, J. M.*; Ettenauer, S.*; Glasmacher, T.*; Kemper, K. W.*; et al.

Physical Review Letters, 99(7), p.072502_1 - 072502_4, 2007/08

 Times Cited Count:73 Percentile:91.04(Physics, Multidisciplinary)

no abstracts in English

Journal Articles

Edge localized modes; Recent experimental findings and related issues

Kamiya, Kensaku; Asakura, Nobuyuki; Boedo, J. A.*; Eich, T.*; Federici, G.*; Fenstermacher, M.*; Finken, K.*; Herrmann, A.*; Terry, J.*; Kirk, A.*; et al.

Plasma Physics and Controlled Fusion, 49(7), p.s43 - s62, 2007/07

 Times Cited Count:64 Percentile:91.01(Physics, Fluids & Plasmas)

Edge Localized Mode (ELM) measurements in the tokamaks, including JT-60U, DIII-D, ASDEX-U and JET, are reviewed. The followings are outlines of this presentation. (1) ELM Types and basic scaling, (2) Small ELM regimes and ELM mitigation, (3) ELM filament formation and transverse motion, (4) Power deposition on divertor targets and main chamber wall.

Journal Articles

Progress in the ITER physics basis, 4; Power and particle control

Loarte, A.*; Lipschultz, B.*; Kukushkin, A. S.*; Matthews, G. F.*; Stangeby, P. C.*; Asakura, Nobuyuki; Counsell, G. F.*; Federici, G.*; Kallenbach, A.*; Krieger, K.*; et al.

Nuclear Fusion, 47(6), p.S203 - S263, 2007/06

 Times Cited Count:726 Percentile:96.49(Physics, Fluids & Plasmas)

Progress, since the ITER Physics Basis publication (1999), in understanding the processes that will determine the properties of the plasma edge and its interaction with material elements in ITER is described. Significant progress in experiment area: energy and particle transport, the interaction of plasmas with the main chamber material elements, ELM energy deposition on material elements and the transport mechanism, the physics of plasma detachment and neutral dynamics, the erosion of low and high Z materials, their transport to the core plasma and their migration at the plasma edge, retention of tritium in fusion devices and removal methods. This progress has been accompanied by the development of modelling tools for the physical processes at the edge plasma and plasma-materials interaction. The implications for the expected performance in ITER and the lifetime of the plasma facing materials are discussed.

Journal Articles

Direct evidence for the onset of intruder configurations in neutron-rich Ne isotopes

Terry, J. R.*; Basin, D.*; Brown, B. A.*; Campbell, C. M.*; Church, J. A.*; Cook, J. M.*; Davies, A. D.*; Dinca, D.-C.*; Enders, J.*; Gade, A.*; et al.

Physics Letters B, 640(3), p.86 - 90, 2006/09

 Times Cited Count:55 Percentile:93.35(Astronomy & Astrophysics)

no abstracts in English

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