Search

Your search keyword '"K. Nagaoka"' showing total 118 results

Search Constraints

Start Over You searched for: Author "K. Nagaoka" Remove constraint Author: "K. Nagaoka" Topic atomic physics Remove constraint Topic: atomic physics
118 results on '"K. Nagaoka"'

Search Results

1. Response of H− ions to extraction field in a negative hydrogen ion source

2. First results of deuterium beam operation on neutral beam injectors in the large helical device

3. Effect of the RF wall conditioning on the high performance plasmas in the Large Helical Device

4. Suppression of Trapped Energetic Ions Driven Resistive Interchange Modes with Electron Cyclotron Heating in a Helical Plasma

5. Suppression of fast-ion-driven MHD instabilities by ECH/ECCD on Heliotron J

6. Study of back streaming ion using a slot-type grounded grid in hydrogen negative-ion source

7. Physics-based investigation of negative ion behavior in a negative-ion-rich plasma using integrated diagnostics

8. Negative ion production and beam extraction processes in a large ion source (invited)

9. Commissioning of the first KSTAR neutral beam injection system and beam experiments

10. Spontaneous Toroidal Flow and Impurity Hole in the High Ion Temperature Plasma on LHD

11. Plasma Initiation by Neutral Beam Injection

12. MHD Modes Destabilized by Energetic Ions on LHD

13. Ion Internal Transport Barrier in the Large Helical Device

14. Fast-Ion Response to Energetic-Particle-Driven MHD Activity in Heliotron J

15. Effect of Energetic-Ion-Driven MHD Instabilities on Energetic-Ion-Transport in Compact Helical System and Large Helical Device

16. Considerations from the Viewpoint of Neoclassical Transport Towards Higher Ion Temperature Heliotron Plasmas

17. ION HEATING EXPERIMENTS AND IMPROVEMENT OF ION HEAT TRANSPORT IN LHD

18. IMPROVEMENT OF PLASMA CORE CONFINEMENT VIA ELECTRON-ROOT REALIZATION BY STRONGLY FOCUSED ECRH IN LHD: CORE ELECTRON-ROOT CONFINEMENT

19. Contribution of the Large Helical Device Plasmas to Alfvén Eigenmode Physics in Toroidal Plasmas

20. 10 years of engineering and physics achievements by the Large Helical Device project

21. Optimization of Electron Cyclotron Current Drive in the Magnetic Field Configuration of CHS

22. Zonal flow driven by energetic particle during magneto-hydro-dynamic burst in a toroidal plasma

23. Steady-state operation and high energy particle production of MeV energy in the Large Helical Device

24. Confinement improvement in high-ion temperature plasmas heated with high-energy negative-ion-based neutral beam injection in the Large Helical Device

25. H-mode-like transition and ELM-like bursts in LHD with thick ergodic layer

26. Experimental Observations of O-X-B Heating of Overdense Plasmas in CHS

27. Edge harmonic oscillations at the density pedestal in the H-mode discharges in CHS Heliotron measured using beam emission spectroscopy and magnetic probe

28. Two-dimensional plasma structure in the edge region of the compact helical system

29. Improved Confinement and Related Physics Study in the Compact Helical System

30. High-power and steady-state operation of ICRF heating in the large helical device

31. Simulational study on losses of neutral beam-injected energetic ions via collisional ripple transport in the low aspect ratio helical system CHS

32. Scaling of power threshold for edge transport barrier formation in CHS with density, magnetic field and magnetic configuration

33. Experimental observations of enhanced radial transport of energetic particles with Alfvén eigenmode on the LHD

34. Studies of fast-ion transport induced by energetic particle modes using fast-particle diagnostics with high time resolution in CHS

35. Study of Long-Pulse Plasma Experiment Using ICRF Heating in LHD

36. Reheat Mode Discharges in Search of Attainable High Stored Energy and Density Limit of Compact Helical System

37. High-power and long-pulse injection with negative-ion-based neutral beam injectors in the Large Helical Device

38. Study of an edge transport barrier by Langmuir probes in the compact helical system

39. Turbulence and transport characteristics of a barrier in a toroidal plasma

40. Long-pulse plasma discharge on the Large Helical Device

41. Review of Divertor Studies in LHD

42. ICRF Heated Long-Pulse Plasma Discharges in LHD

43. Exploration of spontaneous vortex formation and intermittent behavior in ECR plasmas: The HYPER-I experiments

44. Long Pulse Plasma Heating Experiment by Ion Cyclotron Heating in LHD

45. High-ion temperature experiments with negative-ion-based neutral beam injection heating in Large Helical Device

46. Extension and characteristics of an ECRH plasma in LHD

47. Local island divertor experiments on LHD

48. Electron ITB Formation with Combination of NBI and ECH in LHD

49. Studies of H− source for large helical device-neutral beam injector (invited)

50. High power beam injection using an improved negative ion source for the large helical device

Catalog

Books, media, physical & digital resources