R. Neu

Publication List Details

Period

1988 - 2009

Number

338

Co-Authors

Tungsten erosion and redeposition in the all-tungsten divertor of ASDEX Upgrade (2009)

Mayer, M., Rohde, V., Ramos, G., Sugiyama, K., Krieger, K., Neu, R., ...

12th International Workshop on Plasma Facing Materials and Components for Fusion Applications, Jülich, Germany, May 11-14, 2009

Long-term compositions of surface layers in the all-tungsten divertor of ASDEX Upgrade (2009)

Hakola, Antti, Likonen, Jari, Koivuranta, Seppo, Mayer, M., Neu, R., Rohde, V., ...

12th International Workshop on Plasma Facing Materials and Components for Fusion Applications, Jülich, Germany, May 11-14, 2009

High heat flux components - readiness to proceed from near term fusion systems to power plants. (2009)

Raffray, A.R., Nygren, R., Whyte, D.G., Abdel-Khalik, S., Dörner, R., Escourbiac, F., ...

36th International Conference on Plasma Science (ICOPS) and 23rd Symposium on Fusion Engineering (SOFE-23), San Diego, Calif., May 31 - June 5, 2009

Status of plasma facing materials for next step fusion devices. (2009)

Linke, J., Pintsuk, G., Prokhodtseva, A., Rödig, M., Garcia-Rosales, C., Centeno, A., ...

14th Internat.Conf.on Fusion Reactor Materials (ICFRM-14), Sapporo, J, September 7-12, 2009

Carbon balance and deuterium inventory from a carbon dominated to a full tungsten ASDEX Upgrade (2008)

Mayer, M., Rohde, V., Hopf, C., Likonen, Jari, Linding, S., ...

PSI18 - 18th International Conference on Plasma Surface Interactions in Controlled Fusion Devices, Toledo, Spain, May 26-30 2008

On the way to a multi-frequency ECRH system for ASDEX upgrade. (2008)

Stober, J., Grünwald, G., Leuterer, F., Manini, A., Monaco, F., Münich, M., ...

15th Joint Workshop on Electron Cyclotron Emission and Electron Cyclotron Resonance Heating, Yosemite National Park, Calif., March 10-13, 2008

R&D on full tungsten divertor and beryllium wall for JET ITER-like wall project (2007)

Hirai, T., Maier, H., Rubel, M., Mertens, Ph., Neu, R., Gauthier, E., ...

The ITER reference materials have been tested separately in tokamaks, plasma simulators, ion beams and high heat flux test beds. In order to perform a fully integrated material test JET has launched...

Chapter 4: Power and particle control (2007)

Loarte, A., Lipschultz, B., Kukushkin, A. S., Matthews, G. F., Stangeby, P. C., Asakura, N., ...

Progress, since the ITER Physics Basis publication (ITER Physics Basis Editors et al 1999 Nucl. Fusion 39 2137-2664), in understanding the processes that will determine the properties of the plasma...

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding - art. no. 055905 (2007)

Angioni, C., Carraro, L., Dannert, T., Dubuit, N., Dux, R., Fuchs, C., ...

Experimental observations on core particle and impurity transport from the Axial Symmetric Divertor Experiment Upgrade [O. Gruber, H.-S. Bosch, S. Gunter , Nucl Fusion 39, 1321 (1999)] and the Joint...

Particle and impurity transport in the Axial Symmetric Divertor Experiment Upgrade and the Joint European Torus, experimental observations and theoretical understanding (2007)

Angioni, C., Carraro, L., Dannert, T., Dubuit, N., Dux, R., Fuchs, C., ...

Experimental observations on core particle and impurity transport from the Axial Symmetric Divertor Experiment Upgrade [O. Gruber, H.-S. Bosch, S. Gunter , Nucl Fusion 39, 1321 (1999)] and the Joint...

Impact of fast vertical and radial plasma movement on type-1 ELMs in ASDEX upgrade (2006)

Lang, P. T., Gruber, O., Mertens, V., Neu, R., Ryter, F., Schneider, W., ...

For the ITER project it is clear that steps have to be taken in order to avoid or mitigate type-I ELMs when operating in the standard H-mode scenario. Otherwise, divertor power loads induced by...

Overview of ASDEX Upgrade results-development of integrated operating scenarios for ITER (2005)

Günter, S., Angioni, C., Apostoliceanu, M., Atanasiu, C., Balden, M., Becker, G., ...

This article based on the 2004 Fusion Energy Conference contribution (Vilamoura, Portugal, 1-6 November 2004)

Studies of the 'Quiescent H-mode' regime in ASDEX Upgrade and JET (2005)

Suttrop, W., Hynonen, V., Kurki-Suonio, T., Lang, P. T., Maraschek, M., Neu, R., ...

The stationary edge localized mode (ELM)-free 'Quiescent H-mode' (QH-mode) regime, obtained with counter neutral beam injection, is studied in ASDEX Upgrade and Joint European Torus. QH-mode plasmas...

Overview of transport, fast particle and heating and current drive physics using tritium in JET plasmas (2005)

Stork, D., Baranov, Y., Belo, P., Bertalot, L., Borba, D., Brzozowski, J. H., ...

Results are presented from the JET Trace Tritium Experimental (TTE) campaign using minority tritium (T) plasmas (n(T)/n(D) < 3%). Thermal tritium particle transport coefficients (D-T, nu(T)) are...

Integrated exhaust scenarios with actively controlled ELMs (2005)

Lang, P. T., Kallenbach, A., Bucalossi, J., Conway, G. D., Degeling, A., Dux, R., ...

An integrated radiative high performance scenario has been established at ASDEX Upgrade based on simultaneous feedback control of the average divertor neutral particle and power flux in combination...

Local 3D perturbation experiments for probing the ELM stability (2005)

Lang, P. T., Hobirk, J., Horton, L. D., Kallenbach, A., Maraschek, M., Mertens, V., ...

Empirical estimates indicate that the transient divertor power load induced by type-I ELMs in the standard H-mode ITER scenario might result in intolerably short target life times. Significant...

Tritium distribution on plasma-facing tiles from ASDEX Upgrade. (2005)

Sugiyama, K., Tanabe, T., Krieger, K., Neu, R., Bekris, N.

16th Internat.Conf.on Plasma Surface Interactions in Controlled Fusion Devices (PSI 2004), Portland, Maine, May 24-28, 2004

Tritium transport experiments on the JET tokamak (2004)

Zastrow, K. D., Adams, J. M., Baranov, Y., Belo, P., Bertalot, L., Brzozowski, J. H., ...

An overview is given of the experimental method, the analysis technique and the results for trace tritium experiments conducted on the JET tokamak in 2003. Observations associated with events such as...

Density peaking in low collisionality ELMy H-mode in JET (2004)

Valovic, M., Budny, R., Garzotti, L., Garbet, X., Korotkov, A. A., Rapp, J., ...

Low collisionality, low particle source. ELMy H-modes (type-III) with sawteeth are produced in JET in order to address the question of density profile evolution in the reference q(95) = 3 ITER...

Towards the realization on JET of an integrated H-mode scenario for ITER (2004)

Ongena, J., Monier-Garbet, P., Suttrop, W., Andrew, P., Becoulet, M., Budny, R., ...

ELMy H-mode experiments at JET in 2000/mid-2002 have focused on discharges with normalized parameters for plasma density, energy confinement and beta similar to those of the ITER Q(DT) = 10 reference...

Materials for the plasma-facing components of fusion reactors. (2004)

Bolt, H., Barabash, V., Krauss, W., Linke, J., Neu, R., Suzuki, S., ...

11th Internat.Conf.on Fusion Reactor Materials (ICFRM-11), Kyoto, J, December 7-12, 2003

Accumulation of impurities in advanced scenarios (2003)

Dux, R., Giroud, C., Neu, R., Peeters, A. G., Stober, J., ...

Impurity behaviour in advanced scenarios at ASDEX Upgrade and JET has been investigated. For ASDEX Upgrade improved H-mode plasmas at δ=0.35, accumulation of tungsten and metallic impurities was...

New results from the tungsten programme at ASDEX Upgrade (2003)

Neu, R., Dux, R., Geier, A., Krieger, K., Maier, H., Pugno, R., ...

Since 1998 an increasing area of tungsten coated tiles has been installed at the central column of ASDEX Upgrade, reaching 7.1 m² in 2001/2002. The tiles were coated commercially by plasma arc...

ELM frequency control by continuous small pellet injection in ASDEX Upgrade (2003)

Lang, P. T., Neuhauser, J., Horton, L. D., Eich, T., Fattorini, L., Fuchs, J. C., ...

Injection of cryogenic deuterium pellets has been successfully applied in ASDEX Upgrade for external edge localized mode (ELM) frequency control in type-I ELMy H-mode discharge scenarios. A pellet...

Dependence of particle transport on heating profiles in ASDEX Upgrade (2003)

Stober, J., Dux, R., Gruber, O., Horton, L., Lang, P., Lorenzini, R., ...

The behaviour of the density profiles in ASDEX Upgrade can be described well with the assumption D α χ and a pinch of the order of the neoclassical Ware pinch. The latter is estimated from slowly...

ELM-free stationary H-mode plasmas in the ASDEX Upgrade tokamak (2003)

Suttrop, W., Maraschek, M., Conway, G. D., Haas, G., Horton, L. D., ...

ELM-free H-mode plasmas with stationary plasma density and radiation level are obtained in the ASDEX Upgrade tokamak with large clearance between the last closed flux surface and the wall, and...

Edge transport and its interconnection with main chamber recycling in ASDEX Upgrade (2003)

Kallenbach, A., Dux, R., Gafert, J., Haas, G., Horton, L. D., Jakobi, M., ...

Edge profiles of electron temperature and density are measured in ASDEX Upgrade with a high spatial resolution of 2–3 mm with Thomson scattering. In the region of the edge transport barrier in ELMy...

Influence of the heating profile on impurity transport in ASDEX Upgrade (2003)

Dux, R., Neu, R., Peeters, A. G., Pereverzev, G., Mück, A., Ryter, F., ...

The transport of silicon has been investigated for various heating scenarios in ASDEX Upgrade H-mode discharges. Inside of r ≈ a/4, the diffusion coefficient D is either mainly neoclassical or...

Erosion and migration of tungsten employed at the main chamber first wall of ASDEX Upgrade (2003)

Krieger, K., Geier, A., Gong, B., Maier, H., Neu, R., Rohde, V., ...

In ASDEX Upgrade, tungsten is employed as plasma facing material at the central column of the plasma main chamber. The campaign averaged tungsten erosion flux was determined by measuring the...

Plasma-wall interaction and first-wall materials in ASDEX Upgrade (2003)

Neu, R., Kallenbach, A., Krieger, K., Rohde, V., Roth, J.

Experiments dealing with plasma-wall interactions and first-wall materials comprise a significant part of the work program of ASDEX Upgrade. To elucidate carbon chemical erosion under...

Recent ECRH results in ASDEX Upgrade (2003)

Leuterer, F., Dux, R., Gantenbein, G., Goddman, T., Hobirk, J., Imbeaux, F., ...

We report about experiments in ASDEX Upgrade using our ECRH system with f = 140 GHz, P = 4 x 0.5 MW, and T = 2 sec. The following topics are covered: studies of modulated power deposition, studies of...

Dependence of particle transport on the heating profile in ASDEX Upgrade (2003)

Stober, J., Dux, R., Gruber, O., Horton, L., Maggi, C., Meo, F., ...

The slow peaking of the density profile for high densities with moderate NBI and its disappearance with central ICRH have been reported at the last IAEA conference in Sorrento. Meanwhile a modell...

Towards the realization on JET of an integrated H-mode scenario for ITER (2003)

Ongena, J., Monier-Garbet, P., Suttrop, W., Andrew, P., Bécoulet, M., Budny, R., ...

ELMy H-Mode experiments at JET since 2000 have focussed on the steady state and simultaneous realization of the ITER QDT=10 requirements in the normalized parameters for density, confinement and...

Parameter similarity studies in JET, ASDEX Upgrade and ALCATOR C-Mod (2003)

Suttrop, W. A., Horton, L. D., Hubbard, A. E., McDonald, D., Barnsley, R., Beurskens, M., ...

Similarity plasmas are studied in JET, ASDEX Upgrade and ALCATOR C-Mod to test the validity of dimensional constraints for core profiles and profiles at the plasma edge in H-modes with and without...

EBIT spectroscopy of Pm-like tungsten (2003)

Hutton, R., Zou, Y., Reyna Almandos, J., Biedermann, C., Radtke, R., Geier, A., ...

Methods of VUV electron beam ion trap (EBIT) spectroscopy are applied to the study of Pm-like tungsten (W13+). These data show that theory appears well capable of dealing with these multi-electron...

Carbon influx studies in the main chamber of ASDEX Upgrade (2003)

Pütterich, T., Dux, R., Gafert, J., Kallenbach, A., Neu, R., Pugno, R., ...

Carbon sources in the main chamber of ASDEX Upgrade, especially the 12 guard limiters at the low field side (LFS), were determined spectroscopically using recently installed lines of sight. Absolute...

The ASDEX Upgrade divertor IIb—a closed divertor for strongly shaped plasmas (2003)

Neu, R., Fuchs, J. C., Kallenbach, A., Maggi, C., Rohde, V., Ryter, F., ...

A new divertor configuration (DIV-IIb) has been implemented in ASDEX Upgrade. In order to accommodate a large variety of plasma shapes with bottom triangularities (δbot) up to 0.48, the outer...

Overview of ASDEX Upgrade results (2003)

Zohm, H., Angioni, C., Arslanbekov, R., Atanasiu, C., Becker, G., Becker, W., ...

Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model...

Overview of ASDEX upgrade results (2003)

Zohm, H., Angioni, C., Arslanbekov, R., Atanasiu, C., Becker, G., Becker, W., ...

Recent results from the ASDEX Upgrade experimental campaigns 2001 and 2002 are presented. An improved understanding of energy and particle transport emerges in terms of a 'critical gradient' model...

Overview of JET results (2003)

Pamela, J., Solano, E. R., Adams, J. M., Agarici, G., Agarici, M., Akhter, H., ...

Scientific and technical activities on JET focus on the issues likely to affect the ITER design and operation. Our understanding of the ITER reference mode of operation, the ELMy H-mode, has...

Key ITER plasma edge and plasma-material interaction issues. (2003)

Federici, G., Andrew, P., Barabaschi, P., Brooks, J., Doerner, R., Geier, A., ...

Proc. of the 15th Internat.Conf.on Plasma Surface Interactions in Controlled Fusion Devices (PSI-15), Gifu, J, May 27-31, 2002

Determination of the tungsten divertor retention at ASDEX Upgrade using a sublimation probe (2002)

Geier, A., Maier, H., Neu, R., Krieger, K., ASDEX Upgrade Team

For the measurement of the divertor retention at ASDEX Upgrade, a sublimation probe has been built with which it is possible to puff metallic impurities into the divertor plasma. This probe offers...

Impurity behaviour in the ASDEX Upgrade divertor tokamak with large area tungsten walls (2002)

Neu, R., Dux, R., Geier, A., Kallenbach, A., Pugno, R., Rohde, V., ...

At the central column of ASDEX Upgrade, an area of 5.5 m(2) of graphite tiles was replaced by tungsten-coated tiles representing about two-thirds of the total area of the central column. No negative...

Properties of the new divertor IIb in ASDEX Upgrade (2002)

Neu, R., Fuchs, J. C., Haas, G., Herrmann, A., Kallenbach, A., Laux, M., ...

A new divertor configuration (DIV IIb) has been implemented in ASDEX Upgrade. In order to accommodate a large variety of plasma shapes with bottom triangularities (delta(bot)) up to 0.48, the outer...

Transport into and across the scrape-off layer in the ASDEX Upgrade divertor tokamak (2002)

Neuhauser, J., Coster, D., Fahrbach, H. U., Fuchs, J. C., Haas, G., Herrmann, A., ...

The elements of transport into and across the scrape-off layer in the poloidal divertor tokamak ASDEX Upgrade are analysed for different operational regimes with emphasis on enhanced confinement...

Steady state advanced scenarios at ASDEX Upgrade (2002)

Sips, A.C.C., Arslanbekov, R., Atanasiu, C., Becker, W., Becker, G., Behler, K., ...

Recent experiments at ASDEX Upgrade have achieved advanced scenarios with high beta(N) (> 3) and confinement enhancement over ITER98(y, 2) scaling, H-H98y2 = 1.1-1.5, in steady state. These...

Behaviour of density profiles of H-mode discharges in ASDEX Upgrade (2002)

Stober, J., Gruber, O., Kaufmann, M., Neu, R., Ryter, F., Sandmann, W., ...

ASDEX Upgrade results on crucial issues of H-mode operation are reported, i.e. density profile shape, onset conditions for neoclassical tearing modes (NTM) and smoothing of the power exhaust without...

Recent progress on JET towards the ITER reference mode of operation at high density (2001)

Ongena, J., Suttrop, W., Becoulet, M., Cordey, G., Dumortier, P., Eich, T., ...

Recent progress towards obtaining high density and high confinement in JET as required for the ITER reference scenario at Q = 10 is summarized. Plasmas with simultaneous confinement H-98(y.2) = 1 and...

The nucleotide sequence of Saccharomyces cerevisiae chromosome VII (1997)

Carbone, MLA, Albermann, K, Albers, M, Arroyo, J, Backes, U, ...

The complete nucleotide sequence of Saccharomyces cerevisiae chromosome VII has 572 predicted open reading frames (ORFs), of which 341 are new. No correlation was found between G+C content and gene...

Elastic and inelastic #a-scattering on light nuclei. (1988)

Abele, H., Jaentsch, H., Neu, R., Staudt, G., Striebele, Ch., Eversheim, P.D., ...

Fruehjahrstagung DPG, Kern- und Mittelenergiephysik, Physikausstellung, Berlin, 21.-25.Maerz, 1988

Measurement and folding-potential analysis of the inelastic #a-scattering on light nuclei. (1988)

Striebel, Ch., Neu, R., Abele, H., Staudt, G., Gils, H.J.

5th Internat.Conf.on Clustering Aspects in Nuclear and Subnuclear Systems (Cluster 88), Kyoto, J, July 25-29, 1988