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LHD Publications in 2021

[1]K. Mukai, S. Masuzaki, Y. Hayashi, T. Oishi, C. Suzuki, M. Kobayashi, T. Tokuzawa, H. Tanaka, K. Tanaka, T. Kinoshita, H. Sakai, B. Peterson
Steady-state sustainment of divertor detachment with multi-species impurity seeding in LHD
Nuclear Fusion611260182021
[doi:10.1088/1741-4326/ac2bbc] [NIFS repository under embargo until 2022/10/24]
[2]M. Tanaka, H. Kato, N. Suzuki, H. Chimura, S. Masuzaki, H. Takahashi, T. Seki, M. Osakabe
Removal of tritium from vacuum vessel by RF heated plasmas in LHD
Physica Scripta961240072021
[doi:10.1088/1402-4896/ac1bf2] [NIFS repository under embargo until 2024/03/31]
[3]D. Kato, H. Sakaue, I. Murakami, M. Goto, T. Oishi, N. Tamura, H. Funaba, S. Morita
Assessment of W density in LHD core plasmas using visible forbidden lines of highly charged W ions
Nuclear Fusion611160082021
[doi:10.1088/1741-4326/ac22d1] [NIFS repository under embargo until 2022/09/22]
[4]S. Kamio, V. Moiseenko, Y. Kovtun, H. Kasahara, K. Saito, R. Seki, M. Kanda, G. Nomura, T. Seki, Y. Takemura, T. Wauters, R. Brakel, A. Dinklage, D. Hartmann, H. Laqua, T. Stange, A. Alonso, S. Lazerson, Y. Kazakov, J. Ongena, H. Thomsen, G. Fuchert, I. Garkusha
First experiments on plasma production using field-aligned ICRF fast wave antennas in the Large Helical Device
Nuclear Fusion611140042021
[doi:10.1088/1741-4326/ac277b]

OPEN ACCESS

[5]H. Nakanishi, Y. Ito, H. Maeno, M. Ohsuna
Research and Technology Notes:Study of White Rabbit-based sub-nanosecond precision timing distribution for fusion experiments
プラズマ・核融合学会誌(Journal of Plasma and Fusion Research)97597-6032021
[url-link]

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[6]T. Oishi, S. Morita, D. Kato, I. Murakami, H. Sakaue, Y. Kawamoto, T. Kawate, M. Goto
Simultaneous observation of tungsten spectra of W0 to W46+ ions in visible, VUV and EUV wavelength ranges in the Large Helical Device
Atoms9692021
[doi:10.3390/atoms9030069]

OPEN ACCESS

[7]S. Era, D. Kato, H. Sakaue, T. Umezaki, N. Nakamura, I. Murakami
Emission Lines in 290–360 nm of Highly Charged Tungsten Ions W20+–W29+
Atoms9632021
[doi:10.3390/atoms9030063]

OPEN ACCESS

[8]N. Kambara, T. Kawate, T. Oishi, Y. Kawamoto, H. Sakaue, D. Kato, N. Nakamura, H. Hara, I. Murakami
Evaluation of Fe XIV Intensity Ratio for Electron Density Diagnostics by Laboratory Measurements
Atoms9602021
[doi:10.3390/atoms9030060]

OPEN ACCESS

[9]C. Suzuki, F. Koike, I. Murakami, T. Oishi, N. Tamura
Spectra of Ga-like to Cu-like praseodymium and neodymium ions observed in the Large Helical Device
Atoms9462021
[doi:10.3390/atoms9030046]

OPEN ACCESS

[10]N. Tamura, M. Yoshinuma, K. Ida, C. Suzuki, M. Goto, T. Oishi, M. Shoji, K. Mukai, H. Funaba
Simultaneous observation of silicon and boron impurity behaviors in the core region of a mid-density LHD plasma
Plasma and Fusion Research1612020942021
[doi:10.1585/pfr.16.1202094]

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[11]K. Ogawa, M. Isobe, H. Nuga, S. Kamio, Y. Fujiwara, M. Kobayashi, S. Sangaroon, E. Takada, R. Seki, H. Yamaguchi, S. Murakami, J. Jo, M. Osakabe
A study of beam ion and deuterium–deuterium fusion-born triton transports due to energetic particle-driven magnetohydrodynamic instability in the large helical device deuterium plasmas
Nuclear Fusion610960352021
[doi:10.1088/1741-4326/ac0d8a]

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[12]H. Matsuura, K. Kimura, D. Umezaki, K. Ogawa, M. Isobe, T. Nishitani, Y. Kawamoto, T. Oishi, M. Goto, N. Tamura, M. Osakabe, S. Sugiyama
Effect of nuclear elastic scattering on the D(d,n)3He fusion reactivity induced by energetic protons observed in the large helical device
Nuclear Fusion610940012021
[doi:10.1088/1741-4326/ac13e6] [NIFS repository under embargo until 2022/07/29]
[13]K. Tanaka, K. Nagaoka, K. Ida, H. Yamada, T. Kobayashi, S. Satake, M. Nakata, T. Kinoshita, Y. Ohtani, T. Tokuzawa, H. Takahashi, F. Warmer, K. Mukai, S. Murakami, H. Nakano, M. Osakabe, T. Morisaki, M. Nunami, T. Tala, T. Tsujimura, Y. Takemura, M. Yokoyama, R. Seki, H. Igami, Y. Yoshimura, S. Kubo, T. Shimozuma, T. Akiyama, I. Yamada, R. Yasuhara, H. Funaba, M. Yoshinuma, M. Goto, T. Oishi, S. Morita, G. Motojima, M. Shoji, S. Masuzaki, C. Michael, L. Vacheslavov, R. Sakamoto
Isotope effects on transport in LHD
Plasma Physics and Controlled Fusion630940012021
[doi:10.1088/1361-6587/abffb6]

OPEN ACCESS

[14]N. Tamura, H. Hayashi, N. Uejima, H. Maeno, Y. Ito, M. Yokota, H. Ogawa
Development of a double-barreled Tracer Encapsulated Solid Pellet (TESPEL) injection system for LHD
Journal of Instrumentation16C080032021
[doi:10.1088/1748-0221/16/08/C08003]
[15]K. Ogawa, M. Isobe, S. Sangaroon, E. Takada, T. Nakada, S. Murakami, J. Jo, G. Zhong, Y. Zhang, S. Tamaki, I. Murata
Time-resolved secondary triton burnup 14 MeV neutron measurement by a new scintillating fiber detector in middle total neutron emission ranges in deuterium large helical device plasma experiments
AAPPS Bulletin31202021
[doi:10.1007/s43673-021-00023-2]

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[16]Y. Takemura, R. Yasuhara, H. Funaba, H. Uehara, D. Den hartog, K. Watanabe, S. Sakakibara, Y. Narushima, S. Ohdachi
Mode Structure of Locked-Mode-Like Instability in LHD and Its Effects on Confinement Degradation
Plasma and Fusion Research1614020912021
[doi:10.1585/pfr.16.1402091]

OPEN ACCESS

[17]T. Oishi, N. Ashikawa, F. Nespoli, S. Masuzaki, M. Shoji, E. Gilson, R. Lunsford, S. Morita, M. Goto, Y. Kawamoto, C. Suzuki, Z. Sun, A. Nagy, D. Gates, T. Morisaki, The LHD Experimental Group
Line identification of boron and nitrogen emissions in extreme- and vacuum-ultraviolet wavelength ranges in the impurity powder dropping experiments of the Large Helical Device and its application to spectroscopic diagnostics
Plasma Science and Technology230840022021
[doi:10.1088/2058-6272/abfd88] [NIFS repository under embargo until 2022/06/29]
[18]M. Kobayashi, N. Suzuki, T. Saze, H. Miyake, K. Nishimura, H. Hayashi, T. Kobuchi, K. Ogawa, M. Isobe, M. Osakabe
The Evaluation of a Simple Measurement Method using NaI(Tl) Scintillation Survey-Meter for Radiation Safety Management of Radioactivated Armor Tiles of LHD Vacuum Vessel
Radiation Safety Management2020-282021
[doi:10.12950/rsm.210416]

OPEN ACCESS

[19]H. Igami, R. Yanai, S. Ito, Y. Yoshimura, S. Kubo, H. Takahashi, T. Shimozuma, T. Tsujimura, Y. Mizuno
Development of the molybdenum millimeter wave target tile for ECRH antenna alignment after the evacuation in LHD
Plasma and Fusion Research1624050662021
[doi:10.1585/pfr.16.2405066]

OPEN ACCESS

[20]R. Yanai, T. Tsujimura, S. Kubo, R. Yoneda, Y. Yoshimura, M. Nishiura, H. Igami, H. Takahashi, T. Shimozuma
Upgrading LHDGauss code by including obliquely propagating wave absorption effect for ECH
Plasma and Fusion Research1624020842021
[doi:10.1585/pfr.16.2402084]

OPEN ACCESS

[21]Y. Kawamoto, S. Morita, M. Goto, T. Oishi
Qualitative Improvement of Zeff Diagnostic Based on Visible Bremsstrahlung Profile Measurement by Changing Observation Cross Section in LHD
Plasma and Fusion Research1624020722021
[doi:10.1585/pfr.16.2402072]

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[22]K. Ogawa, M. Isobe, M. Yokoyama
Extending the total neutron emission rate of steady-state deuterium large helical plasma guided by a data-driven approach
Fusion Engineering and Design1671123672021
[doi:10.1016/j.fusengdes.2021.112367] [NIFS repository under embargo until 2023/11/20]
[23]S. Nakagawa, T. Hochin, H. Nomiya, H. Nakanishi, M. Shoji
Prediction of unusual plasma discharge by using Support Vector Machine
Fusion Engineering and Design1671123602021
[doi:10.1016/j.fusengdes.2021.112360] [NIFS repository under embargo until 2023/02/27]
[24]H. Ishihara, A. Kuzmin, M. Kobayashi, T. Shikama, K. Sawada, S. Saito, H. Nakamura, K. Fujii, M. Hasuo, The LHD Experimental Group
Ro-vibrational population distribution in the ground state of hydrogen isotopologues in LHD peripheral plasmas deduced from emission spectroscopy
Journal of Quantitative Spectroscopy and Radiative Transfer2671075922021
[doi:10.1016/j.jqsrt.2021.107592] [NIFS repository under embargo until 2023/06/30]
[25]B. Reman, R. Dendy, T. Akiyama, S. Chapman, J. Cook, H. Igami, S. Inagaki, K. Saito, R. Seki, M. Kim, S. Thatipamula, G. Yun
Density dependence of ion cyclotron emission from deuterium plasmas in the Large Helical Device
Nuclear Fusion610660232021
[doi:10.1088/1741-4326/abf661] [NIFS repository under embargo until 2022/05/09]
[26]K. Ogawa, M. Isobe, S. Sugiyama, D. Spong, S. Sangaroon, R. Seki, H. Nuga, H. Yamaguchi, S. Kamio, Y. Fujiwara, M. Kobayashi, J. Jo, M. Osakabe
Characteristics of neutron emission profile from neutral beam heated plasmas of the Large Helical Device at various magnetic field strengths
Plasma Physics and Controlled Fusion630650102021
[doi:10.1088/1361-6587/abf575] [NIFS repository under embargo until 2022/04/27]
[27]I. Sharov, V. Sergeev, I. Miroshnikov, N. Tamura, S. Sudo
Spatial characteristics of luminous hydrocarbon pellet clouds in the Large Helical Device
Plasma Physics and Controlled Fusion630650022021
[doi:10.1088/1361-6587/abf314]
[28]K. Mukai, B. Peterson, N. Ezumi, N. Shigematsu, S. Ohshima, A. Miyashita, R. Matoike
Sensitivity Improvement of Infrared Imaging Video Bolometer for Divertor Plasma Measurement
Review of Scientific Instruments920635212021
[doi:10.1063/5.0043664] [NIFS repository]
[29]N. Tamura, M. Yoshinuma, X. Yin, K. Ida, C. Suzuki, M. Shoji, K. Mukai, H. Funaba
A new multi-tracer technique in the TESPEL method for a simultaneous study of behaviors of Low- and Mid/High-Z impurities in high-temperature plasmas
Review of Scientific Instruments920635162021
[doi:10.1063/5.0043495]
[30]S. Sangaroon, K. Ogawa, M. Isobe, M. Kobayashi, S. Conroy, Y. Zhang, T. Fan, M. Osakabe
Neutron and gamma-ray transport calculations in support of the design of the radiation shielding for the TOFED neutron spectrometer at LHD
Fusion Engineering and Design1661122962021
[doi:10.1016/j.fusengdes.2021.112296] [NIFS repository under embargo until 2023/05/29]
[31]Y. Zhang, L. Ge, Z. Hu, J. Sun, X. Li, K. Ogawa, M. Isobe, S. Sangaroon, L. Liao, D. Yang, G. Gorini, M. Nocente, M. Tardocchi, T. Fan
Design and optimization of an advanced time-of-flight neutron spectrometer for deuterium plasmas of the large helical device
Review of Scientific Instruments920535472021
[doi:10.1063/5.0043766] [NIFS repository]
[32]M. Sanders, K. Ida, M. Yoshinuma, C. Suzuki, Y. Yoshimura, R. Seki, M. Emoto, M. Yoshida, T. Kobayashi
Analysis of the Motional Stark Effect (MSE) diagnostic to measure the rotational transform and current profile in the Large Helical Device
Review of Scientific Instruments920535032021
[doi:10.1063/5.0018859] [NIFS repository]
[33]H. Nuga, R. Seki, K. Ogawa, S. Kamio, Y. Fujiwara, H. Yamaguchi, M. Osakabe, M. Isobe, S. Murakami, M. Yokoyama
Analysis of NB Fast-Ion Loss Mechanisms in MHD Quiescent LHD Plasmas
Plasma and Fusion Research1624020522021
[doi:10.1585/pfr.16.2402052]

OPEN ACCESS

[34]Y. Hayashi, S. Masuzaki, G. Motojima, D. Hwangbo, Y. Fujiwara, The LHD Experimental Group
Observation of arc trails with significant damage due to glow discharge wall conditioning in the Large Helical Device
Plasma and Fusion Research1612020612021
[doi:10.1585/pfr.16.1202061]

OPEN ACCESS

[35]Y. Hayashi, M. Kobayashi, K. Mukai, S. Masuzaki, T. Murase, The LHD Experimental Group
Divertor heat load distribution measurements with infrared thermography in the LHD helical divertor
Fusion Engineering and Design1651122352021
[doi:10.1016/j.fusengdes.2021.112235] [NIFS repository under embargo until 2023/01/21]
[36]H. Nakanishi, K. Yamanaka, S. Tokunaga, T. Ozeki, Y. Ishii, Y. Homma, H. Ohtsu, N. Nakajima, M. Emoto, T. Yamamoto, M. Ohsuna, T. Ito, S. Imazu, M. Nonomura, M. Yokota, H. Ogawa, H. Maeno, M. Aoyagi, M. Yoshida, T. Inoue, O. Nakamura, S. Abe, S. Urushidani
Design for the Distributed Data Locator Service for Multi-site Data Repositories
Fusion Engineering and Design1651121972021
[doi:10.1016/j.fusengdes.2020.112197] [NIFS repository under embargo until 2023/04/29]
[37]M. Okamoto, H. Tomita, K. Watanabe, M. Sato, Y. Takemura, S. Sakakibara, K. Ida, M. Yoshinuma, LHD Experiment Group
Linear MHD analyses of locked-mode-like instabilities in LHD
Nuclear Fusion610460052021
[doi:10.1088/1741-4326/abd7ba] [NIFS repository under embargo until 2022/03/04]
[38]T. Kobayashi, T. Nishizawa, M. Sasaki, M. Yoshinuma, K. Ida
Method for estimating the frequency-wavenumber resolved power spectrum density using the maximum entropy method for limited spatial points
Plasma Physics and Controlled Fusion630450112021
[doi:10.1088/1361-6587/abe024] [NIFS repository under embargo until 2022/02/18]
[39]T. Tokuzawa, K. Tanaka, T. Tsujimura, S. Kubo, M. Emoto, S. Inagaki, K. Ida, M. Yoshinuma, K. Watanabe, A. Ejiri, T. Saito, K. Yamamoto, LHD Experiment Group
W-band millimeter-wave back-scattering system for high wave number turbulence measurements in LHD
Review of Scientific Instruments92043536 -1 -42021
[doi:10.1063/5.0043474] [NIFS repository]
[40]S. Hamaguchi, S. Moriuchi, H. Noguchi, H. Tanoue, T. Mito
Reliable long-term operation of superconducting bus lines for the LHD
Journal of Physics: Conference Series18570120142021
[doi:10.1088/1742-6596/1857/1/012014]

OPEN ACCESS

[41]S. Kamio, Y. Fujiwara, K. Ogawa, R. Seki, K. Nagaoka, H. Nuga, S. Sangaroon, M. Isobe, M. Osakabe, C. Cheng
Initial Results of Hydrogen and Deuterium Beam Ion Simultaneous Transport due to Toroidal Alfvén Eigenmode in the Large Helical Device
Plasma and Fusion Research1624020442021
[doi:10.1585/pfr.16.2402044]

OPEN ACCESS

[42]W. Hu, T. Kobayashi, Y. Suzuki, M. Yoshinuma, T. Tokuzawa, K. Ida
Correlation analysis between density and magnetic field low frequency fluctuations in improved confinement mode on LHD
Plasma and Fusion Research1624020312021
[doi:10.1585/pfr.16.2402031]

OPEN ACCESS

[43]S. Sangaroon, K. Ogawa, M. Isobe, Y. Fujiwara, H. Yamaguchi, S. Kamio, R. Seki, H. Nuga, M. Kobayashi, M. Osakabe
Characterization of the New Vertical Neutron Camera Designed for the Low Neutron Emission Rate Plasma in Large Helical Device
Plasma and Fusion Research1614020392021
[doi:10.1585/pfr.16.1402039]

OPEN ACCESS

[44]K. Ogawa, M. Isobe, M. Osakabe
Progress on Integrated Neutron Diagnostics for Deuterium Plasma Experiments and Energetic Particle Confinement Studies in the Large Helical Device During the Campaigns from FY2017 to FY2019
Plasma and Fusion Research1611020232021
[doi:10.1585/pfr.16.1102023]

OPEN ACCESS

[45]T. Oishi, S. Morita, D. Kato, I. Murakami, H. Sakaue, Y. Kawamoto, M. Goto, The LHD Experimental Group
Identification of Forbidden Emission Lines from Highly Ionized Tungsten Ions in VUV Wavelength Range in LHD for ITER Edge Plasma Diagnostics
Nuclear Materials and Energy261009322021
[doi:10.1016/j.nme.2021.100932]

OPEN ACCESS

[46]I. Murakami, D. Kato, T. Oishi, M. Goto, Y. Kawamoto, C. Suzuki, H. Sakaue, S. Morita
Progress of tungsten spectral modeling for ITER edge plasma diagnostics based on tungsten spectroscopy in LHD
Nuclear Materials and Energy261009232021
[doi:10.1016/j.nme.2021.100923]

OPEN ACCESS

[47]S. Masuzaki, M. Yajima, K. Ogawa, G. Motojima, M. Tanaka, M. Tokitani, M. Isobe, T. Otsuka
Investigation of the distribution of remaining tritium in divertor in LHD
Nuclear Materials and Energy261008842021
[doi:10.1016/j.nme.2020.100884]

OPEN ACCESS

[48]M. Nishiura, T. Shimizu, S. Kobayashi, T. Tokuzawa, K. Ichinose, S. Kubo
Q-band high-performance notch filters at 56 and 77 GHz notches for versatile fusion plasma diagnostics
Review of Scientific Instruments920347112021
[doi:10.1063/5.0041243] [NIFS repository]
[49]Y. Ohtani, K. Tanaka, H. Igami, K. Ida, Y. Suzuki, Y. Takemura, H. Tsuchiya, M. Sanders, M. Yoshinuma, T. Tokuzawa, I. Yamada, R. Yasuhara, H. Funaba, M. Shoji, T. Bando
Effects of core stochastization on particle and momentum transport
Nuclear Fusion610340022021
[doi:10.1088/1741-4326/abd6b1]

OPEN ACCESS

[50]H. Nakanishi, K. Yamanaka, S. Tokunaga, T. Ozeki, Y. Homma, H. Ohtsu, Y. Ishii, N. Nakajima, T. Yamamoto, M. Emoto, M. Ohsuna, S. Imazu, T. Inoue, O. Nakamura, S. Abe, S. Urushidani
Demonstration of High-speed Data Replication Relay across Multiple Repository Sites Using a Global Loop Path
Plasma and Fusion Research1624050172021
[doi:10.1585/pfr.16.2405017]

OPEN ACCESS

[51]M. Shoji, G. Kawamura, J. Romazanov, A. Kirschner, A. Eksaeva, D. Borodin, S. Masuzaki, S. Brezinsek
Simulation of Impurity Transport and Deposition in the Closed Helical Divertor in the Large Helical Device
Plasma and Fusion Research1624030042021
[doi:10.1585/pfr.16.2403004]

OPEN ACCESS

[52]K. Ogawa, M. Isobe, R. Seki, H. Nuga, S. Sangaroon, J. Jo, M. Osakabe
Neutron Emission Rate Characteristics of an Electron Cyclotron Heated Large Helical Device Deuterium Plasma
Plasma and Fusion Research1624020082021
[doi:10.1585/pfr.16.2402008]

OPEN ACCESS

[53]T. Oishi, S. Morita, M. Kobayashi, K. Mukai, G. Kawamura, S. Masuzaki, Y. Hayashi, C. Suzuki, Y. Kawamoto, M. Goto, The LHD Experimental Group
EUV and VUV Spectra of NeIII-NeX Line Emissions Observed in the Impurity Gas-puffing Experiments of the Large Helical Device
Plasma and Fusion Research1624020062021
[doi:10.1585/pfr.16.2402006]

OPEN ACCESS

[54]D. Ito, H. Yazawa, M. Tomitaka, T. Kumagai, S. Kono, M. Yamauchi, T. Misawa, T. Kobuchi, H. Hayashi, H. Miyake, K. Ogawa, T. Nishitani, M. Isobe
Development of a Wide Dynamic Range Neutron Flux Measurement Instrument Having Fast Time Response for Fusion Experiments
Plasma and Fusion Research1614050182021
[doi:10.1585/pfr.16.1405018]

OPEN ACCESS

[55]G. Motojima, S. Masuzaki, T. Morisaki, M. Kobayashi, R. Sakamoto, Y. Tsuchibushi, T. Murase, Y. Takeiri, The LHD Experimental Group
Application of Divertor Pumping to Long-Pulse Discharge for Particle Control in LHD
Plasma and Fusion Research1612020142021
[doi:10.1585/pfr.16.1202014]

OPEN ACCESS

[56]N. Nimavat, M. Goto, G. Seguineaud, T. Oishi, S. Morita
Measurement of polarization in Lyman-α line caused by anisotropic electron collisions in LHD plasma
Journal of Quantitative Spectroscopy and Radiative Transfer2601074302021
[doi:10.1016/j.jqsrt.2020.107430] [NIFS repository under embargo until 2022/11/11]
[57]T. Tsujimura, R. Yanai, Y. Mizuno, K. Tanaka, Y. Yoshimura, T. Tokuzawa, M. Nishiura, R. Sakamoto, G. Motojima, S. Kubo, T. Shimozuma, H. Igami, H. Takahashi, M. Yoshinuma, S. Ohshima, The LHD Experimental Group
Improved performance of electron cyclotron resonance heating by perpendicular injection in the Large Helical Device
Nuclear Fusion610260122021
[doi:10.1088/1741-4326/abc977] [NIFS repository]
[58]Y. Takemura, K. Watanabe, S. Sakakibara, S. Ohdachi, Y. Narushima, K. Ida, M. Yoshinuma, LHD Experiment Group
External RMP effect on locked-mode-like instability in helical plasmas
Nuclear Fusion610260112021
[doi:10.1088/1741-4326/abc935] [NIFS repository]
[59]T. Oishi, S. Morita, D. Kato, I. Murakami, H. Sakaue, Y. Kawamoto, M. Goto, The LHD Experimental Group
Observation of line emissions from Ni-like W46 + ions in wavelength range of 7–8 Å in the Large Helical Device
Physica Scripta960256022021
[doi:10.1088/1402-4896/abd0ba] [NIFS repository]
[60]K. Ida, M. Yoshinuma, K. Tanaka, M. Nakata, T. Kobayashi, Y. Fujiwara, R. Sakamoto, G. Motojima, S. Masuzaki, The LHD Experimental Group
Characteristics of plasma parameters and turbulence in the isotope-mixing and the non-mixing states in hydrogen–deuterium mixture plasmas in the large helical device
Nuclear Fusion610160122021
[doi:10.1088/1741-4326/abbf62] [NIFS repository]