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LHD Publications in 2017

[1]M. Oya, G. Motojima, M. Tokitani, H. Tanaka, S. Masuzaki, Y. Ueda
The role of the graphite divertor tiles in helium retention on the LHD wall
Nuclear Materials and Energy1358-622017
[doi:10.1016/j.nme.2017.07.006]

OPEN ACCESS

[2]Y. Liu, S. Morita, X. Huang, T. Oishi, M. Goto, H. Zhang
Component investigation of ionization stages on tungsten unresolved transition array spectra for plasma diagnostics based on space-resolved extreme-ultra violet spectroscopy in large helical device
Journal of Applied Physics122233301-1-132017
[doi:10.1063/1.5003447]

OPEN ACCESS

[3]H. Yamada, M. Yokoyama, R. Seki, C. Suzuki, S. Murakami, Y. Yoshimura, H. Yamaguchi, S. Maeta
Effect of Rotational Transform on Thermal Transport in Stellarator–Heliotron Plasmas on LHD
Journal of Fusion Energy36197-2032017
[doi:10.1007/s10894-017-0144-z] [NIFS repository]
[4]M. Berkel, T. Kobayashi, H. Igami, G. Vandersteen, G. Hogeweij, K. Tanaka, N. Tamura, H. Zwart, S. Kubo, S. Ito, H. Tsuchiya, M. Baar
New evidence and impact of electron transport non-linearities based on new perturbative inter-modulation analysis
Nuclear Fusion571260362017
[doi:10.1088/1741-4326/aa827a] [NIFS repository]
[5]M. Yokoyama, R. Seki, C. Suzuki, M. Sato, M. Emoto, S. Murakami, M. Osakabe, T. Tsujimura, Y. Yoshimura, T. Ido, K. Ogawa, S. Satake, Y. Suzuki, T. Goto, K. Ida, N. Pablant, D. Gates, F. Warmer, P. Vincenzi, LHD Experiment Group
Extended capability of the integrated transport analysis suite, TASK3D-a, for LHD experiment
Nuclear Fusion571260162017
[doi:10.1088/1741-4326/aa800a] [NIFS repository]
[6]K. Ida, T. Kobayashi, M. Yoshinuma, T. Akiyama, T. Tokuzawa, H. Tsuchiya, K. Itoh
Observation of distorted Maxwell-Boltzmann distribution of epithermal ions in LHD
Physics of Plasmas241225022017
[doi:10.1063/1.4999644] [NIFS repository]
[7]K. Saito, T. Seki, H. Kasahara, R. Seki, S. Kamio, G. Nomura, T. Mutoh
Fault Detection System for ICRF Transmission Line in LHD
Fusion Engineering and Design123444-4472017
[doi:10.1016/j.fusengdes.2017.03.004] [NIFS repository]
[8]K. Tanaka, K. Nagaoka, S. Murakami, H. Takahashi, M. Osakabe, M. Yokoyama, R. Seki, C. Michael, H. Yamaguchi, C. Suzuki, A. Shimizu, T. Tokuzawa, M. Yoshinuma, T. Akiyama, K. Ida, I. Yamada, R. Yasuhara, H. Funaba, T. Kobayashi, H. Yamada, X. Du, L. Vyacheslavov, D. Mikkelsen, G. Yun
Collisionality dependence and ion species effects on heat transport in He and H plasma, and the role of ion scale turbulence in LHD
Nuclear Fusion571160052017
[doi:10.1088/1741-4326/aa79c6] [NIFS repository]
[9]N. Pu, T. Nishitani, M. Isobe, K. Ogawa, H. Kawase, T. Tanaka, S. Li, S. Yoshihashi, A. Uritani, LHD Experiment Group
In situ calibration of neutron activation system on the large helical device
Review of Scientific Instruments881133022017
[doi:10.1063/1.5009475 ] [NIFS repository]
[10]T. Nishitani, K. Ogawa, M. Isobe
Monte Carlo simulation of the neutron measurement for the Large Helical Device deuterium experiments
Fusion Engineering and Design1231020-10242017
[doi:10.1016/j.fusengdes.2017.02.038]
[11]M. Osakabe, Y. Takeiri, T. Morisaki, G. Motojima, K. Ogawa, M. Isobe, M. Tanaka, S. Murakami, A. Shimizu, K. Nagaoka, K. Nagasaki, T. Fujita, Y. Oya, M. Sakamoto, Y. Ueda, T. Akiyama, H. Kasahara, S. Sakakibara, R. Sakamoto, M. Tokitani, H. Takahashi, H. Yamada, M. Yokoyama, Y. Yoshimura
Current status of Large Helical Device and its prospect for Deuterium experiment
Fusion Science and Technology72199-2102017
[doi:10.1080/15361055.2017.1335145] [NIFS repository]
[12]M. Nunami, M. Sato, M. Nakata, S. Toda, H. Sugama, M. Yokoyama, H. Yamaguchi
Impacts of external momentum torque on impurity particle transport in LHD
Plasma and Fusion Research1212030392017
[doi:10.1585/pfr.12.1203039 ]

OPEN ACCESS

[13]Y. Takeiri, T. Morisaki, M. Osakabe, M. Yokoyama, S. Sakakibara, H. Takahashi, Y. Nakamura, T. Oishi, G. Motojima, S. Murakami, K. Ito, A. Ejiri, S. Imagawa, S. Inagaki, M. Isobe, S. Kubo, S. Masamune, T. Mito, I. Murakami, K. Nagaoka, K. Nagasaki, K. Nishimura, M. Sakamoto, R. Sakamoto, T. Shimozuma, K. Shinohara, H. Sugama, K. Watanabe, J. Ahn, N. Akata, T. Akiyama, N. Ashikawa, J. Baldzuhn, T. Bando, E. Bernard, F. Castejon, H. Chikaraishi, M. Emoto, T. Evans, N. Ezumi, K. Fujii, H. Funaba, M. Goto, T. Goto, D. Gradic, G. Yun, S. Hamaguchi, H. Hasegawa, Y. Hayashi, C. Hidalgo, T. Higashiguchi, Y. Hirooka, Y. Hishinuma, R. Horiuchi, K. Ichiguchi, K. Ida, T. Ido, H. Igami, K. Ikeda, S. Ishiguro, R. Ishizaki, A. Ishizawa, A. Ito, Y. Ito, A. Iwamoto, S. Kamio, K. Kamiya, O. Kaneko, R. Kanno, H. Kasahara, D. Kato, T. Kato, K. Kawahata, G. Kawamura, M. Kisaki, S. Kitajima, W. Ko, M. Kobayashi, S. Kobayashi, T. Kobayashi, K. Koga, A. Kohyama, R. Kumazawa, J. Lee, D. Lopez-Bruna, R. Makino, S. Masuzaki, Y. Matsumoto, H. Matsuura, O. Mitarai, H. Miura, J. Miyazawa, N. Mizuguchi, C. Moon, S. Morita, T. Moritaka, K. Mukai, T. Muroga, S. Muto, T. Mutoh, T. Nagasaka, Y. Nagayama, N. Nakajima, Y. Nakamura, H. Nakanishi, H. Nakano, M. Nakata, Y. Narushima, D. Nishijima, A. Nishimura, S. Nishimura, T. Nishitani, M. Nishiura, Y. Nobuta, H. Noto, M. Nunami, T. Obana, K. Ogawa, S. Ohdachi, M. Ohno, N. Ohno, H. Ohtani, M. Okamoto, Y. Oya, T. Ozaki, B. Peterson, M. Preynas, A. Sagara, K. Saito, H. Sakaue, A. Sanpei, S. Satake, M. Sato, T. Saze, O. Schmitz, R. Seki, T. Seki, I. Sharov, A. Shimizu, M. Shiratani, M. Shoji, C. Skinner, R. Soga, T. Stange, C. Suzuki, Y. Suzuki, S. Takada, K. Takahata, A. Takayama, S. Takayama, Y. Takemura, Y. Takeuchi, H. Tamura, N. Tamura, H. Tanaka, K. Tanaka, M. Tanaka, T. Tanaka, Y. Tanaka, S. Toda, Y. Todo, K. Toi, M. Toida, M. Tokitani, T. Tokuzawa, H. Tsuchiya, T. Tsujimura, K. Tsumori, S. Usami, J. Velasco, H. Wang, T. Watanabe, T. Watanabe, J. Yagi, M. Yajima, H. Yamada, I. Yamada, O. Yamagishi, N. Yamaguchi, T. Yamamoto, N. Yanagi, R. Yasuhara, E. Yatsuka, N. Yoshida, M. Yoshinuma, S. Yoshimura, Y. Yoshimura
Extension of the operational regime of the LHD towards a deuterium experiment
Nuclear Fusion571020232017
[doi:10.1088/1741-4326/aa7fc2] [NIFS repository]
[14]K. Ogawa, M. Isobe, T. Nishitani, H. Kawase, N. Pu
Central Deuteron Temperature Derived from Total Neutron Emission Rate in Electron Cyclotron Heated LHD Plasmas
Plasma and Fusion Research1212020362017
[doi:10.1585/pfr.12.1202036 ]

OPEN ACCESS

[15]T. Dobbins, K. Ida, C. Suzuki, M. Yoshinuma, T. Kobayashi, Y. Suzuki, M. Yoshida
A motional Stark effect diagnostic analysis routine for improved resolution of iota in the core of the large helical device
Review of Scientific Instruments880935182017
[doi:10.1063/1.4995808] [NIFS repository]
[16]M. Shoji, G. Kawamura, R. Smirnov, A. Pigarov, Y. Tanaka, S. Masuzaki, Y. Uesugi
Simulation of impurity transport in the peripheral plasma due to the emission of dust in long pulse discharges on the large helical device
Nuclear Materials and Energy12779-7852017
[doi:10.1016/j.nme.2017.07.002]

OPEN ACCESS

[17]T. Oishi, S. Morita, X. Huang, H. Zhang, Y. Liu, S. Dai, M. Kobayashi, G. Kawamura, M. Goto
Effect of impurity source locations on up-down asymmetry in impurity distributions in the ergodic layer of large helical device
Nuclear Materials and Energy12762-7672017
[doi:10.1016/j.nme.2017.04.002]

OPEN ACCESS

[18]H. Tanaka, G. Kawamura, S. Masuzaki, M. Kobayashi, T. Akiyama, B. Peterson, K. Mukai, R. Sano, S. Dai, R. Sakamoto, T. Morisaki, N. Ohno
Toroidally symmetric/asymmetric effect on the divertor flux due to neon/nitrogen seeding in LHD
Nuclear Materials and Energy12241-2462017
[doi:10.1016/j.nme.2016.12.020]

OPEN ACCESS

[19]M. Tokitani, S. Masuzaki, H. Kasahara, Y. Yoshimura, R. Sakamoto, N. Yoshida, Y. Ueda, T. Mutoh, LHD experiment group, S. Nagata
Initial growth phase of W-fuzz formation in ultra-long pulse helium discharge in LHD
Nuclear Materials and Energy121358-13622017
[doi:10.1016/j.nme.2016.11.023]

OPEN ACCESS

[20]Y. Nakamura, N. Tamura, M. Kobayashi, S. Yoshimura, C. Suzuki, M. Yoshinuma, M. Goto, G. Motojima, K. Nagaoka, K. Tanaka, R. Sakamoto, B. Peterson, K. Ida, M. Osakabe, T. Morisaki
A comprehensive study on impurity behavior in LHD long pulse discharges
Nuclear Materials and Energy12124-1322017
[doi:10.1016/j.nme.2016.11.005]

OPEN ACCESS

[21]G. Motojima, N. Yoshida, S. Masuzaki, R. Sakamoto, M. Tokitani, H. Tanaka, T. Murase, D. Nagata, K. Matsumoto, M. Miyamoto, M. Yajima, M. Sakamoto, H. Yamada, T. Morisaki
Wide-range evaluation of the deposition layer thickness distribution on the first wall by reflection coefficient measurements
Nuclear Materials and Energy121219-12232017
[doi:10.1016/j.nme.2017.04.018]

OPEN ACCESS

[22]M. Kobayashi, S. Morita, M. Goto
2D distribution of hydrogen/impurity radiation and flow formation in stochastic layer during detachment transition in LHD
Nuclear Materials and Energy121043-10482017
[doi:10.1016/j.nme.2016.12.023]

OPEN ACCESS

[23]X. Huang, S. Morita, T. Oishi, I. Murakami, M. Goto, H. Zhang, Y. Liu, LHD experiment group
Formation of impurity transport barrier in LHD plasmas with hollow density profile
Nuclear Fusion570860312017
[doi:10.1088/1741-4326/aa7920]
[24]K. Ogawa, T. Nishitani, M. Isobe, I. Murata, Y. Hatano, S. Matsuyama, H. Nakanishi, K. Mukai, M. Sato, M. Yokota, T. Kobuchi, T. Nishimura, M. Osakabe
Investigation of irradiation effects on highly integrated leading-edge electronic components of diagnostics and control systems for LHD deuterium operation
Nuclear Fusion570860122017
[doi:10.1088/1741-4326/aa71e8] [NIFS repository]
[25]S. Dai, M. Kobayashi, G. Kawamura, S. Masuzaki, H. Tanaka, Y. Suzuki, Y. Feng, D. Wang
Investigation of heat flux deposition on divertor target on the Large Helical Device with EMC3-EIRENE modelling
Plasma Physics and Controlled Fusion590850132017
[doi:10.1088/1361-6587/aa7599] [NIFS repository]
[26]H. Hara, H. Ohashi, B. Li, P. Dunne, G. O’Sullivan, A. Sasaki, C. Suzuki, N. Tamura, H. Sakaue, D. Kato, I. Murakami, T. Higashiguchi
Spectral evolution of soft x-ray emission from optically thin, high electron temperature platinum plasmas
APL Photonics20813012017
[doi:10.1063/1.4997413]

OPEN ACCESS

[27]K. Ikeda, M. Kisaki, H. Nakano, K. Nagaoka, M. Osakabe, S. Kamio, K. Tsumori, S. Geng, Y. Takeiri
Study of back streaming ion using a slot-type grounded grid in hydrogen negative-ion source
AIP conference proceedings18690500042017
[doi:10.1063/1.4995785]

OPEN ACCESS

[28]M. Shoji, G. Kawamura, R. Smirnov, A. Pigarov, Y. Tanaka, S. Masuzaki, Y. Uesugi
Investigation of dust shielding effect of intrinsic ergodic magnetic field line structures in the peripheral plasma in the large helical device
Contributions to Plasma Physics58616-6212017
[doi:10.1002/ctpp.201700125 ] [NIFS repository]
[29]M. Isobe, J. Kim, Y. Zhang, J. Chang, K. Ogawa, J. Kim, Y. Liu, L. Hu
Recent Advances of Scintillator-Based Escaping Fast Ion Diagnostics in Toroidal Fusion Plasmas in Japan, Korea, and China
Fusion Science and Technology7260-682017
[doi:10.1080/15361055.2017.1291044] [NIFS repository]
[30]A. Perek, K. Ida, M. Yoshinuma, M. Goto, Y. Nakamura, M. Emoto, R. Jaspers, LHD Experiment Group
Observation of the bulk ion density peaking in a discharge with an impurity hole in the LHD
Nuclear Fusion570760402017
[doi:10.1088/1741-4326/aa6c51] [NIFS repository]
[31]K. Ida, M. Yoshinuma, H. Tsuchiya, T. Kobayashi, C. Suzuki, M. Yokoyama, A. Shimizu, K. Nagaoka, S. Inagaki, K. Itoh
Response of plasma toroidal flow to the transition between nested and stochastic magnetic field in LHD
Nuclear Fusion570760322017
[doi:10.1088/1741-4326/aa6f84] [NIFS repository]
[32]T. Kobayashi, K. Ida, S. Inagaki, H. Tsuchiya, N. Tamura, G. Choe, G. Yun, H. Park, W. Ko, T. Evans, M. Austin, M. Shafer, M. Ohno, D. Lopez-Bruna, M. Ochando, T. Estrada, C. Hidalgo, C. Moon, H. Igami, Y. Yoshimura, T. Tsujimura, S. Itoh, K. Itoh
Analysis of higher harmonics on bidirectional heat pulse propagation experiment in helical and tokamak plasmas
Nuclear Fusion570760132017
[doi:10.1088/1741-4326/aa6f1f] [NIFS repository]
[33]T. Tokuzawa, Y. Takemura, K. Watanabe, S. Sakakibara, Y. Narushima, H. Tsuchiya, Y. Nagayama, S. Inagaki, K. Ida, M. Yoshinuma, K. Tanaka, Y. Suzuki, I. Yamada
Distorted magnetic island formation during slowing down to mode locking in helical plasmas
Nuclear Fusion570760032017
[doi:10.1088/1741-4326/aa6d26] [NIFS repository]
[34]A. Creely, K. Ida, M. Yoshinuma, T. Tokuzawa, T. Tsujimura, T. Akiyama, R. Sakamoto, M. Emoto, K. Tanaka, C. Michael
Novel Analysis Technique for Measuring Edge Density Fluctuation Profiles with Reflectometry in the Large Helical Device
Review of Scientific Instruments880735092017
[doi:10.1063/1.4993437] [NIFS repository]
[35]T. Ido, K. Itoh, M. Lesur, M. Osakabe, A. Shimizu, K. Ogawa, M. Nishiura, I. Yamada, R. Yasuhara, Y. Kosuga, M. Sasaki, K. Ida, S. Inagaki, S. Itoh, LHD Experiment Group
Observation of subcritical geodesic acoustic mode excitation in the large helical device
Nuclear Fusion570720092017
[doi:10.1088/1741-4326/aa665a] [NIFS repository]
[36]Y. Takemura, K. Watanabe, T. Tokuzawa, S. Sakakibara, Y. Narushima, M. Okamoto, S. Ohdachi, Y. Suzuki, K. Ida, M. Yoshinuma, H. Tsuchiya, I. Yamada
Experimental Study on Slowing-Down Mechanism of Locked-Mode-Like Instability in LHD
Plasma and Fusion Research1214020282017
[doi:10.1585/pfr.12.1402028]

OPEN ACCESS

[37]S. Sakakibara, K. Watanabe, H. Funaba, Y. Suzuki, S. Ohdachi, K. Ida, K. Tanaka, T. Tokuzawa, T. Morisaki, M. Osakabe, Y. Takeiri, LHD Experiment Group
Extension of high-beta plasma operation to low-collisionality regime
Nuclear Fusion570660072017
[doi:10.1088/1741-4326/aa65aa] [NIFS repository]
[38]N. Tamura, C. Suzuki, S. Satake, Y. Nakamura, M. Nunami, H. Funaba, K. Tanaka, M. Yoshinuma, K. Ida, S. Sudo, LHD experiment group
Observation of the ECH effect on the impurity accumulation in the LHD
Physics of Plasmas240561182017
[doi:10.1063/1.4983626]
[39]Y. Nakamura, N. Tamura, M. Yoshinuma, C. Suzuki, S. Yoshimura, M. Kobayashi, M. Yokoyama, M. Nunami, M. Nakata, K. Nagaoka, K. Tanaka, B. Peterson, K. Ida, M. Osakabe, T. Morisaki
Strong suppression of impurity accumulation in steady-state hydrogen discharges with high power NBI heating on LHD
Nuclear Fusion570560032017
[doi:10.1088/1741-4326/aa6187]
[40]M. Nunami, M. Nakata, H. Sugama, K. Tanaka, S. Toda
Microinstabilities in hydrogen- and helium-dominated multi-ion-species plasmas in LHD
Plasma Physics and Controlled Fusion590440132017
[doi:10.1088/1361-6587/aa5aa6] [NIFS repository]
[41]K. Saito, T. Seki, H. Kasahara, R. Seki, S. Kamio, G. Nomura, T. Mutoh
Performance of Impedance Transformer for High-Power ICRF heating in LHD
Journal of Physics: Conference Series8230120072017
[doi:10.1088/1742-6596/823/1/012007]

OPEN ACCESS

[42]N. Tamura, S. Sudo, C. Suzuki, H. Funaba, M. Takagi, N. Satoh, H. Hayashi, H. Maeno, M. Yokota, H. Ogawa
Improvements in a Tracer-Encapsulated Solid Pellet and Its Injector for More Advanced Plasma Diagnostics
Journal of Physics: Conference Series8230120032017
[doi:10.1088/1742-6596/823/1/012003]

OPEN ACCESS

[43]M. Kobayashi, S. Morita, M. Goto, LHD experiment group
Space-resolved visible spectroscopy for two-dimensional measurement of hydrogen and impurity emission spectra and of plasma flow in the edge stochastic layer of LHD
Review of Scientific Instruments880335012017
[doi:10.1063/1.4976963] [NIFS repository]
[44]E. Bernard, R. Sakamoto, M. Tokitani, S. Masuzaki, H. Hayashi, H. Yamada, N. Yoshida
Temperature impact on the micro structure of tungsten exposed to He irradiation in LHD
Journal of Nuclear Materials48424–292017
[doi:10.1016/j.jnucmat.2016.10.040]
[45]J. Beckers, K. Ida, M. Yoshinuma, M. Emoto, R. Seki, M. Yokoyama, R. Jaspers
Implementation of Neoclassical Effects in Momentum Transport Analysis at LHD
Plasma and Fusion Research1214020062017
[doi:10.1585/pfr.12.1402006 ]

OPEN ACCESS

[46]K. Ogawa, T. Nishitani, M. Isobe, M. Sato, M. Yokota, H. Hayashi, T. Kobuchi, T. Nishimura
Effects of gamma-ray irradiation on electronic and non-electronic equipment of Large Helical Device
Plasma Science and Technology190256012017
[doi:10.1088/2058-6272/19/2/025601] [NIFS repository]
[47]H. Zhang, S. Morita, S. Dai, T. Oishi, M. Goto, X. Huang, G. Kawamura, M. Kobayashi, Y. Liu, I. Murakami, Y. Narushima
Vertical profiles and two-dimensional distributions of carbon line emissions from C2+-C5+ ions in attached and RMP-assisted detached plasmas of Large Helical Device
Physics of Plasmas24022510-1-182017
[doi:10.1063/1.4976989] [NIFS repository]
[48]J. Velasco, I. Calvo, S. Satake, A. Alonso, M. Nunami, M. Yokoyama, M. Sato, T. Estrada, J. Fontdecaba, M. Liniers, K. McCarthy, F. Medina, B. Milligen, M. Ochando, F. Parra, H. Sugama, A. Zhezhera
Moderation of neoclassical impurity accumulation in high temperature plasmas of helical devices
Nuclear Fusion570160162017
[doi:10.1088/0029-5515/57/1/016016]
[49]C. Suzuki, I. Murakami, F. Koike, N. Tamura, H. Sakaue, S. Morita, M. Goto, D. Kato, H. Ohashi, T. Higashiguchi, S. Sudo, G. O’Sullivan
Extreme ultraviolet spectroscopy and atomic models of highly charged heavy ions in the Large Helical Device
Plasma Physics and Controlled Fusion590140092017
[doi:10.1088/0741-3335/59/1/014009] [NIFS repository]
[50]Kobayashi Tatsuya,ITOH Kimitaka,IDA Katsumi,INAGAKI Shigeru,ITOH Sanae -I.
Method for Estimating Harmonic Frequency Dependence of Diffusion Coefficient and Convective Velocity in Heat Pulse Propagation Experiment
Journal of the Physical Society of Japan86-70745012017
[doi: 10.7566/JPSJ.86.074501] [NIFS repository]
[51]Kobayashi Tatsuya,ITOH Kimitaka,Kamiya K.,ITOH Sanae -I.,Miura Y.,Nagashima Y.,FUJISAWA Akihide,INAGAKI Shigeru,IDA Katsumi,Hoshino K.
Model validation for radial electric field excitation during L–H transition in JFT-2M tokamak
Nuclear Fusion 57-70720052017
[doi: 10.1088/1741-4326/aa5d03] [NIFS repository]
[52]SAKAMOTO Ryuichi,Bernard Elodie,Kreter Arkadi,Martin Celine,Pegourie Bernard,Pieters Gregory,Rousseau Bernard,Grisolia Christian,YOSHIDA Naoaki
Surface morphology in tungsten and RAFM steel exposed to helium plasma in PSI-2
Physica Scripta 2017-T170 014062 2017
[doi: 10.1088/1402-4896/aa93a2] [NIFS repository]
[53]NUGA Hideo,YAGI Masatoshi,FUKUYAMA Atsushi
Simulations of runaway electron generation including the hot-tail effect
Nuclear Fusion 57-8086011 2017
[doi: 10.1088/1741-4326/aa7367] [NIFS repository]