論文 要素モデルの統合が実現する壁からプラズマまでを含めた中性粒子輸送研究 (小特集 磁場閉じ込め核融合装置における水素原子分子輸送研究の新展開) プラズマ・核融合学会誌 = Journal of plasma and fusion research,98(1):5-19 2022(Jan.) Author:齋藤 誠紀;中村 浩章;澤田 圭司;河村 学思;小林 政弘
Isotope effect of rovibrational distribution of hydrogen molecules desorbed from amorphous carbon JAPANESE JOURNAL OF APPLIED PHYSICS,61(SA):SA1005 2022 Author:Nakamura, Hiroaki; Saito, Seiki; Sawada, Takumi; Sawada, Keiji; Kawamura, Gakushi; Kobayashi, Masahiro; Hasuo, Masahiro;
Electron and Proton Energy Loss via Rovibrational Excitation of Molecular Hydrogen in Fusion Detached Plasmas Plasma and Fusion Research,17:2403044-1-4 2022 Author:Keiji SAWADA
Reduction of pulsed particle load with dynamic pressure induced by transient recycled neutral flux Plasma Physics and Controlled Fusion,64:105013 2022 Author:Yuki Hayashi, Hirohiko Tanaka, Noriyasu Ohno, Shin Kajita, Thomas Morgan, Hennie van der Meiden, John Scholten, Jordy Vernimmen, Hiroki Natsume, Keiji Sawada, Shota Masuda
イオン源プラズマの原子・分子過程 (小特集 イオン源の数値シミュレーション技術の進展と応用) プラズマ・核融合学会誌 = Journal of plasma and fusion research,97(10):572-576 2021(Oct.) Author:柴田 崇統;澤田 圭司
Ro-vibrational population distribution in the ground state of hydrogen isotopologues in LHD peripheral plasmas deduced from emission spectroscopy Journal of Quantitative Spectroscopy & Radiative Transfer,267:107592 2021 Author:Hiroki Ishihara, Arseniy Kuzmin, Masahiro Kobayashi, Taiichi Shikama, Keiji Sawada, Seiki Saito, Hiroaki Nakamura, Keisuke Fujii, Masahiro Hasuo, the LHD Experiment Group.
Neutral transport code for rovibrational population calculation of molecular hydrogen in large helical device plasmas Contrib. Plasm. Phys.,:e201900153 2020 Author:K. Sawada, H. Nakamura, S. Saito, G. Kawamura, M. Kobayashi, K. Haga, R. Migita, T. Sawada, M. Hasuo
Molecular Dynamics Simulation Model of Hydrogen Recycling on Carbon Divertor for Neutral Transport Analysis in LHD Contrib. Plasm. Phys.,:e201900152 2020 Author:S. Saito, H. Nakamura, K. Sawada, G. Kawamura, M. Kobayashi, M. Hasuo
Detached helium plasma simulation by a one-dimensional fluid code with detailed collisional-radiative model PHYSICS OF PLASMAS,27(10):102505 2020 Author:Tanaka, H.; Saeki, I.; Ohno, N.; Kajita, S.; Ido, T.; Natsume, H.; Hatayama, A.; Hoshino, K.; Sawada, K.; Goto, M.
Development of a Molecular Dynamics Method with Heat Transfer into Bulk for Ion Injection into Materials PLASMA AND FUSION RESEARCH,15:2403073 2020 Author:Saito, Seiki; Nakamura, Hiroaki; Sawada, Keiji; Kobayashi, Masahiro; Gakushi, Kawamura; Masahiro, Hasuo
Molecular dynamics simulation for hydrogen recycling on tungsten divertor for neutral transport analysis JAPANESE JOURNAL OF APPLIED PHYSICS,(60):SAAB08 2020 Author:Saito, Seiki; Nakamura, Hiroaki; Sawada, Keiji; Kobayashi, Masahiro; Kawamura, Gakushi; Sawada, Takumi; Masahiro, Hasuo
Spectroscopic Measurement of Hydrogen Atom Density in a Plasma Produced with 28 GHz ECH in QUEST ATOMS,8:44 2020 Author:Mori, Satoru; Shikama, Taiichi; Hanada, Kazuaki; Yoneda, Nao; Kuzmin, Arseniy; Hasuo, Masahiro; Idei, Hiroshi; Onchi, Takumi; Ejiri, Akira; Osawa, Yuki; Peng, Yi; Matsuzaki, Kyohei; Kado, Shinichiro; Sawada, Keiji; Ido, Takeshi; Nakamura, Kazuo; Ikezoe, Ryuya; Nagashima, Yoshihiko; Hasegawa, Makoto; Kuroda, Kengo; Higashijima, Aki; Nagata, Takahiro; Shimabukuro, Shun
Impact of additional plasma heating on detached plasma formation in divertor simulation experiments using the GAMMA 10/PDX tandem mirror Nuclear Materials and Energy,18:216-221 2019 Author:Y. Nakashima, M.S. Islam, T. Iijima, M. Sakamoto, N. Ezumi, M. Yoshikawa, N. Asakura, M. Fukumoto, A. Hatayama, M. Hirata, M. Ichimura, R. Ikezoe, T. Imai, M.M. Islam, T. Kariya, J. Kohagura, S. Masuzaki, R. Minami, T. Nakano, K. Nojiri, T. Numakura, K. Sawada, M. Shoji, A. Terakado, S. Togo, S. Yamashita, T. Yoshimoto
Reaction processes of molecular activated recombination leading to detachment of divertor simulation plasma in GAMMA 10/PDX Nuclear Materials and Energy,20:100679 2019 Author:A. Terakado, M. Sakamoto, N. Ezumi, K. Nojiri, T. Mikami, Y. Kinoshita, S. Togo, T. Iijima, K. Sawada, S. Kado, Y. Nakashima
Hydrogen recycling study with a high temperature target in the divertor simulation experiment in GAMMA 10 / PDX Plasma and Fusion Research,13:3402096 2018 Author:Akihiro TERAKADO, Mizuki SAKAMOTO, Naomichi EZUMI, Kunpei NOJIRI, Tomohiro MIKAMI, Satoshi TOGO, Takaaki IIJIMA, Takayuki YOKODO, Keiji SAWADA
Molecular activated recombination in divertor simulation plasma on GAMMA 10/PDX Nuclear Materials and Energy,12:1004-1009 2017 Author:M. Sakamoto, A. Terakado, K. Nojiri, N. Ezumi, Y. Nakashima, K. Sawada, K. Ichimura, M. Fukumoto, K. Oki, K. Shimizu, N. Ohno, S. Masuzaki, S. Togo, J. Kohagura, M. Yoshikawa
Rovibrationally Resolved Time-Dependent Collisional-Radiative Model of Molecular Hydrogen and Its Application to a Fusion Detached Plasma Atoms,4(4):29 2016 Author:Keiji Sawada and Motoshi Goto
Photon Trapping Effects in DEMO Divertor Plasma Contrib. Plasma Phys,56:657–662 2016 Author:K. Hoshino, K. Sawada, R. Idei, S. Tokunaga, N. Asakura, K. Shimizu, N. Ohno
Particle source and edge confinement study based on spectroscopic diagnosis in the LHD Plasma Physics and Controlled Fusion,58:84001-84005 2016 Author:M. Goto, K. Sawada, T. Oishi, S. Morita
Energy Density Dependence of Hydrogen Combustion Efficiency in Atmospheric Pressure Microwave Plasma Fusion Science and Technology,67:650-653 2015 Author:T. Yoshida, N. Ezumi, K. Sawada, Y. Tanaka, M. Tanaka, K. Nishimura
Hydrogen atomic and molecular emission locations and intensities in the LHD edge plasma determined from simultaneously observed polarization spectra Plasma and Fusion Research,10:3402041 2015 Author:K. Fujii, K. Sawada, M Goto, S. Morita, M. Hasuo
Influence of Plasma-Neutral Collisions on Probe Measurements in Atmospheric Pressure Plasmas Contributions to Plasma Physics,54:304–307 2014 Author:N. Ezumi, K. Takahashi, T. Yoshida, Y. Hatada, Y. Hayashi, C. Uchiyama, S. Iio, K. Sawada, N. Ohno, Zh. Kiss'ovski
Determination of electron temperature and density at plasma edge in the Large Helical Device with opacity-incorporated helium collisional-radiative model Journal of Quantitative Spectroscopy and Radiative Transfer,137:23-28 2014 Author:M. Goto, K. Sawada
Numerical study of the H0 atomic density and the Balmer line intensity profiles in a hydrogen negative ion source with the effect of non-equilibrium electron energy distribution function Plasma and Fusion Research,9:1401011 2014 Author:Takanori Shibata, Mieko Kashiwagi, Akiyoshi Hatayama, Keiji Sawada, Takashi Inoue, Masaya Hanada
Coordinated Research Projects (CRP) (小特集 IAEAにおける原子分子データ Coordinated Research Projects (CRP)) プラズマ・核融合学会誌,89(9):583-599 2013(Sep.) Author:高木 秀一;小池 文博;中村 信行;坂上 裕之;澤田 圭司;後藤 基志;加藤 太治;芦川 直子;西村 好史;齋藤 純;横川 大輔;周 建斌;WITEK Henryk A.;IRLE Stephan
Deuterium atomic density estimation in recombining plasmas using self‐absorption spectroscopy IEEJ Transactions on Electrical and Electronic Engineering,8:1-6 2013 Author:S. Kajita, T. Nishiwaki, N. Ohno, Noriyasu, K. Sawada, M. Takagi
Influence of the Probe Electrode on Probe Measurements for Atmospheric Pressure Microwave Plasma Torch Contrib. Plasma Phys.,53:81-85 2013 Author:N. Ezumi, N. Kodama, K. Akahane, S. Shiozawa, K. Sawada, N. Ohno
Optical Emission and Mass Spectra Observations during Hydrogen Combustion in Atmospheric Pressure Microwave Plasma Plasma and Fusion Research,7:2401075 2012 Author:N. Ezumi, K. Akahane, K. Sawada, Y. Tanaka, M. Tanaka, T. Uda and K. Nishimura
Evaluation of hydrogen atom density in the plasma core regionbased on the Balmer-αline profile Nucl. Fusion,51:23005 2011 Author:M. Goto, K. Sawada, K. Fujii, M. Hasuo, S. Morita
Spectroscopic diagnostic of helium-hydrogen rf plasma under the influence of radiation trapping Plasma and Fusion Res.,6:1401010 2011 Author:K. Sawada, M. Goto, N. Ezumi
A Collisional-Radiative Model for Hydrogen Atom Including Velocity Changing Collisions Plasma and Fusion Research,6:2401125 2011 Author:Keisuke FUJII, Taiichi SHIKAMA, Keiji SAWADA, Motoshi GOTO, Shigeru MORITA and Masahiro HASUO
Collisional-radiative model for spectroscopic diagnostic of optically thick helium plasma Plasma and Fusion Res.,5:001 2010 Author:K. Sawada, Y. Yamada, T. Miyachika, N.Ezumi, A. Iwamae, M. Goto
Development of multiwavelength-range fine-resolution spectrometer for hydrogen emissions and its applicationto large helical device periphery plasmas Rev. Sci. Instrum.,81(3):033106 2010 Author:K. Fujii, K. Mizushiri, T. Nishioka, T. Shikama, A. Iwamae, M. Goto, S. Morita,S Kado, K. Sawada, M. Hasuo
FDTD simulation on plasmon in gold nanorod excited by scanning near field optical microscopy Plasma and Fusion Res.,5:S2110 2010 Author:K. Sawada, H. Nakamura, T. Maruoka, Y. Tamura, K. Imura, T. Saiki, H. Okamoto
Magnetic axial dependency of Hα emission location in peripheral plasmas of Large Helical Device as determined by plasma polarization spectroscopy Plasma and Fusion Res.,5:032 2010 Author:A. Iwamae, A. Sakaue, N. Neshi, J. Yanagibayashi, M. Hasuo, D. Nakamura, K. Sawada, M. Goto, S. Morita
Atomic and molecular processes with lithium in peripheral plasmas Fusion Engineering and Design,(85):854–857 2010 Author:I. Murakami, D. Kato, Y. Hirooka, K. Sawada
Simulation of electric quadrupole and magnetic dipole transition efficiencies in optical near fields generated by a subwavelength slit array J. Phys. Soc. Jpn.,78:024301 2009 Author:K. Deguchi, M. Okuda, A. Iwamae, H. Nakamura, K. Sawada and M. Hasuo
Spatial structure of volume recombination in JT-60U detached divertor plasmas Plasma and Fusion Res.,4:025 2009 Author:K. Fujimoto, T. Nakano, H. Kubo, K. Sawada, T. Takizuka, H. Kawashima, K. Shimizu, N. Asakura
Alignment creation and deviation from statistical population distribution in hydrogenn = 3 levels observed on MSE spectra of LHD plasma Plasma Phys. Control. Fusion,51:115004 2009 Author:A. Iwamae, A. Sakaue, M. Atake, K. Sawada, M. Goto, S. Morita
Surface temperature effects on hydrogen and impurity release from the limiter studied by means of visible and near infrared spectroscopic measurement in TRIAM-1M J. Nucl. Mater.,363-365:938-943 2007 Author:R. Bhattacharyay, H. Zushi, K. Nakashima, T. Shikama, M. Sakamoto, M. Ogawa, K. Nakamura, N. Yoshida, S. Kado, K. Sawada, Y. Hirooka, K. Hanada, K.N. Sato, H. Idei, K. Sasaki, H. Xu, M. Hasegawa, K. Uehara, A. Tsushima, N. Kimura, Y. Nozaki, S. Kawasaki, H. Nakashima, A. Higashijima
Detailed atomic, molecular and radiation kinetics in current 2D and 3D edge plasmafluid codes ,363-365:649-657 2007 Author:D. Reiter, V. Kotov, P. Börner, K. Sawada, R.K. Janev, B. Kuppers
Contribution of hydrogen molecular assisted recombination processes to population of hydrogen atom in divertor simulator MAP-II J. Nucl. Mater.,363-365:395-399 2007 Author:A. Okamoto, S. Kado, K. Sawada, Y. Kuwahara, Y. Iida, S. Tanaka
Modification of tomography technique for two-dimensional spectroscopic measurement in JT-60U divertor plasmas Plasma and Fusion Res.,2:S1121 2007 Author:K. Fujimoto, T. Nakano, H. Kubo, K. Sawada, T. Takizuka, K. Shimizu, H. Kawashima,N. Asakura
Simulation of optical near field of a sub-wavelength gold slit array and its electric quadrupole interactionwith 1s excitons in Cu2O Phys. Stat. Sol.,c 3:3547-3552 2006 Author:M. Okuda, K. Deguchi, A. Iwamae, N. Nakamura, K. Sawada, M. Hasuo
Iterative numerical method for inclusion of radiation trapping into collisional-radiative model J. Plasma Physics,72:1025-1029 2006 Author:K. Sawada
FDTD modeling of polarization near-field scanning optical microscope J. Plasma Physics,72:1019-1023 2006 Author:K. Sawada, M. Sakai, Y. Kohashi, T. Saiki and H. Nakamura
Iterative numerical method for the inclusion of radiation trapping into a collisional-radiative model JOURNAL OF PLASMA PHYSICS,72:1025-1029 2006 Author:Sawada, K
FDTD modeling of a polarization near-field scanning optical microscope JOURNAL OF PLASMA PHYSICS,72:1019-1023 2006 Author:Sawada, K; Sakai, M; Kohashi, Y; Saiki, T; Nakamura, H
Spectroscopic study of hydrogen particlebehavior in attached and detached divertor plasmas of JT-60U J. Nucl. Mater.,337-339:161-165 2005 Author:H. Kubo, H. Takenaga, K. Sawada, T. Nakano, S.Kobayashi, S.Higashijima, N. Asakura, K. Shimizu
Determinationof the hydrogen and helium ion densities in the initial and final stages of a plasma in the Large Helical Device by optical spectroscopy PHYSICS OF PLASMAS,10(5):1402-1410 2003 Author:Goto, M; Morita, S; Sawada, K; Fujimoto, T; Yamamoto, S; Miyazawa, J; Yamada, H; Toi, K
Emission radiation of hydrogen and helium atoms and ions a plasma CONTRIBUTIONS TO PLASMA PHYSICS,42(2-4):212-217 2002 Author:Goto, M; Sawada, K; Fujimoto, T
Relations between the ionization or recombination flux and the emission radiation for hydrogen and helium in plasma PHYSICS OF PLASMAS,9(10):4316-4324 2002 Author:Goto, M; Sawada, K; Fujimoto, T
Effect of initial vibrational excitation of molecular hydrogen on molecular assisted recombination in divertor plasmas CONTRIBUTIONS TO PLASMA PHYSICS,42(6-7):603-607 2002 Author:Sawada, K; Fujimoto, T
FDTD analysis of a near-field optical fiber probe with a double tapered structure IEICE TRANSACTIONS ON ELECTRONICS,E85C(12):2055-2058 2002 Author:Sawada, K; Nakamura, H; Kambe, H; Saiki, T
Spatial resolution of near-field scanning optical microscopy with sub-wavelength aperture PROGRESS OF THEORETICAL PHYSICS SUPPLEMENT,(138):173-174 2000 Author:Nakamura, H; Sawada, K; Kambe, H; Saiki, T; Sato, T
Ultraviolet photoemission studies of valence bands in lead halides JOURNAL OF THE PHYSICAL SOCIETY OF JAPAN,67(6):2140-2141 1998 Author:Itoh, M; Shiokawa, T; Sawada, K; Kamada, M
Phonon broadening of line widths of Auger-free luminescence in wide-gap ionic crystals JOURNAL OF LUMINESCENCE,72-4:762-764 1997 Author:Itoh, M; Sawada, K; Hara, H; Ohno, N; Kamada, M
Effective ionization and dissociation rate coefficients of molecular hydrogen in plasma (vol 78, pg 2913, 1995) JOURNAL OF APPLIED PHYSICS,80(1):606-606 1996 Author:Sawada, K; Fujimoto, T
EFFECTIVE IONIZATION AND DISSOCIATION RATE COEFFICIENTS OF MOLECULAR-HYDROGEN IN PLASMA JOURNAL OF APPLIED PHYSICS,78(5):2913-2924 1995 Author:SAWADA, K; FUJIMOTO, T
講演・口頭発表等 Collisional-radiative model of molecular hydrogen IAEA CRP on atomic and molecular data for state-resolved modelling of hydrogen and helium and their isotopes in fusion plasma 2016 Presenter:Keiji Sawada
Revision of Collisional-Radiative Models and Neutral-Transport Code for Hydrogen and Helium Species IAEA first Research Coordination Meeting on Atomic and Molecular Data for State-Resolved Modelling of Hydrogen and Helium and Their Isotopes in Fusion Plasma 2011 Presenter:Keiji Sawada
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