Effects of poloidal magnetic configurations on expansions of electron cyclotron wall conditioning plasma and hydrogen removal in the integrated commissioning phase of JT-60SA

Authors: M. Fukumoto, T. Nakano, T. Wakatsuki, S. Kojima, Y. Ohtani, R. Sano, S. Inoue, H. Urano, M. Yoshida

Source: Nuclear Materials and Energy, Vol 42, Iss , Pp 101816- (2025)

Subject Terms: Electron cyclotron wall conditioning, Helium, Hydrogen, Trapped particle configuration, Horizontal magnetic configuration, JT-60SA, Nuclear engineering. Atomic power, TK9001-9401

File Description: electronic resource

Relation: http://www.sciencedirect.com/science/article/pii/S2352179124002394; https://doaj.org/toc/2352-1791

Access URL: https://doaj.org/article/9fdbdfd4cf2d49858d78e4f28d4df98b

Diamagnetic energy measurements and evaluation of poloidal beta and internal inductance during the first operational phase at JT-60SA

Authors: S. Inoue, N. Oyama, M. Takechi, S. Tsuji-Iio, Y. Ohtani, R. Sano, S. Kojima, Y. Miyata, H. Yamazaki, T. Koabashi, T. Wakatsuki, H. Urano, M. Yoshida, T. Suzuki

Source: Nuclear Fusion, Vol 65, Iss 3, p 036031 (2025)

Subject Terms: diamagnetic measurement, poloidal beta, internal inductance, JT-60SA, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

File Description: electronic resource

Relation: https://doaj.org/toc/0029-5515

Access URL: https://doaj.org/article/05464bb45467476db7310f6897145802

Elastic, optoelectronic and photocatalytic properties of semiconducting CsNbO3: first principles insights

Authors: M. Monira, M. A. Helal, M. N. H. Liton, M. Kamruzzaman, S. Kojima

Source: Scientific Reports, Vol 13, Iss 1, Pp 1-13 (2023)

Subject Terms: Medicine, Science

File Description: electronic resource

Relation: https://doaj.org/toc/2045-2322

Access URL: https://doaj.org/article/ebd8e12e3488482aa4aea0318380926f

Achievement of the first tokamak plasma with low inductive electric field in JT-60SA

Authors: T. Wakatsuki, H. Urano, M. Yoshida, N. Tsujii, S. Inoue, S. Kojima, T. Nakano, M. Fukumoto, Y. Ohtani, R. Sano, S. Ide

Source: Nuclear Fusion, Vol 64, Iss 10, p 104003 (2024)

Subject Terms: start-up, JT-60SA, TPC, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

File Description: electronic resource

Relation: https://doaj.org/toc/0029-5515

Access URL: https://doaj.org/article/4e2b7f03d9f4404cb5fdf86efcd94c1d

Characteristics of disruptions observed in the initial operation phase of JT-60SA

Authors: T. Yokoyama, S. Inoue, S. Kojima, T. Wakatsuki, H. Urano, R. Sano, Y. Ohtani, S. Sumida, T. Nakano, M. Takechi, T. Szepesi, M. Yoshida, the JT-60SA Integrated Project Team

Source: Nuclear Fusion, Vol 64, Iss 12, p 126031 (2024)

Subject Terms: JT-60SA, disruptions, MHD instabilities, tearing modes, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

File Description: electronic resource

Relation: https://doaj.org/toc/0029-5515

Access URL: https://doaj.org/article/e47ff4a3434d48fa957e35cc899c0be0

Vertical instability prediction and its direction control using a support vector machine in integrated commissioning of JT-60SA solely based on magnetics

Authors: S. Inoue, S. Kojima, Y. Miyata, T. Wakatsuki, T. Yokoyama, M. Takechi, H. Urano, M. Yoshida, T. Suzuki, the JT-60SA Integrated Project Team

Source: Nuclear Fusion, Vol 65, Iss 1, p 016013 (2024)

Subject Terms: vertical instability, equilibrium control, resistive wall mode, machine learning, support vector machine, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

File Description: electronic resource

Relation: https://doaj.org/toc/0029-5515

Access URL: https://doaj.org/article/cedff4e3761a44268770431c71f446fc

Generalized Regression Neural Network Based Channel Identification and Compensation Using Scattered Pilot

Authors: H. He, S. Kojima, T. Omura, K. Maruta, C. J. Ahn

Source: Radioengineering, Vol 30, Iss 4, Pp 695-703 (2021)

Subject Terms: ofdm, fast fading, channel estimation, generalized regression neural network, dfce, scattered pilot, Electrical engineering. Electronics. Nuclear engineering, TK1-9971

File Description: electronic resource

Relation: https://www.radioeng.cz/fulltexts/2021/21_04_0695_0703.pdf; https://doaj.org/toc/1210-2512

Access URL: https://doaj.org/article/1f065424922b4891b54a7e19295d604c

Adaptive Tikhonov regularization and dynamic control points for accurate shape parameter control of plasmas

Authors: S. Inoue, S. Kojima, Y. Miyata, H. Urano, T. Suzuki

Source: Nuclear Fusion, Vol 64, Iss 1, p 016014 (2023)

Subject Terms: equilibrium control, plasma magnetic control, vertical displacement event, vertical instability, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

File Description: electronic resource

Relation: https://doaj.org/toc/0029-5515

Access URL: https://doaj.org/article/c89778e8dd7146b78aa1fc644097d771

Characterization of early current quench time during massive impurity injection in JT-60SA

Authors: T. Yokoyama, A. Matsuyama, Y. Yamamoto, S. Miyamoto, Y. Shibata, S. Inoue, S. Kojima, S. Nakamura, T. Wakatsuki, M. Yoshida

Source: Nuclear Fusion, Vol 63, Iss 12, p 126049 (2023)

Subject Terms: JT-60SA, disruptions, massive gas injection, current quench, runaway electrons, Nuclear and particle physics. Atomic energy. Radioactivity, QC770-798

File Description: electronic resource

Relation: https://doaj.org/toc/0029-5515

Access URL: https://doaj.org/article/888304904ec44fd19d956b47a07a6bff

Enhancing laser beam performance by interfering intense laser beamlets

Authors: A. Morace, N. Iwata, Y. Sentoku, K. Mima, Y. Arikawa, A. Yogo, A. Andreev, S. Tosaki, X. Vaisseau, Y. Abe, S. Kojima, S. Sakata, M. Hata, S. Lee, K. Matsuo, N. Kamitsukasa, T. Norimatsu, J. Kawanaka, S. Tokita, N. Miyanaga, H. Shiraga, Y. Sakawa, M. Nakai, H. Nishimura, H. Azechi, S. Fujioka, R. Kodama

Source: Nature Communications, Vol 10, Iss 1, Pp 1-9 (2019)

Subject Terms: Science

File Description: electronic resource

Relation: https://doaj.org/toc/2041-1723

Access URL: https://doaj.org/article/f6b3b1936b414dfbba241270c3506db9

Broadband Brillouin scattering study of ferroelectric instability of barium sodium niobate

Authors: S. Kojima

Source: Condensed Matter Physics, Vol 25, Iss 4, p 43702 (2022)

Subject Terms: brillouin scattering, ferroelectric, order-disorder, central peak, barium sodium niobate, Physics, QC1-999

File Description: electronic resource

Relation: https://doaj.org/toc/1607-324X; https://doaj.org/toc/2224-9079

Access URL: https://doaj.org/article/3a33fc401ca04ec2b94f20d44203edc7

Guiding of relativistic electron beams in dense matter by laser-driven magnetostatic fields

Authors: M. Bailly-Grandvaux, J. J. Santos, C. Bellei, P. Forestier-Colleoni, S. Fujioka, L. Giuffrida, J. J. Honrubia, D. Batani, R. Bouillaud, M. Chevrot, J. E. Cross, R. Crowston, S. Dorard, J.-L. Dubois, M. Ehret, G. Gregori, S. Hulin, S. Kojima, E. Loyez, J.-R. Marquès, A. Morace, Ph. Nicolaï, M. Roth, S. Sakata, G. Schaumann, F. Serres, J. Servel, V. T. Tikhonchuk, N. Woolsey, Z. Zhang

Source: Nature Communications, Vol 9, Iss 1, Pp 1-8 (2018)

Subject Terms: Science

File Description: electronic resource

Relation: https://doaj.org/toc/2041-1723

Access URL: https://doaj.org/article/439b3e2e42f646b6b9401605880b1509

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Temperature-dependent IR and Raman scattering studies of phase transitions in K2MgWO2(PO4)2.

Authors: Mączka, M., Majchrowski, A., Hanuza, J., S. Kojima

Source: Journal of Physics: Condensed Matter; 2013, Vol. 25 Issue 2, p1-8, 8p

The magmatic- and hydrothermal-dominated fumarolic system at the Active Crater of Lascar volcano, northern Chile.

Authors: F. Tassi, E. Medina, A. Delgado Huertas, R. Poreda, S. Kojima

Source: Bulletin of Volcanology; Mar2009, Vol. 71 Issue 2, p171-183, 13p

Subject Terms: FLUID mechanics, PERMEABILITY, HIGH temperatures, GLOW discharges

Effects of Mitiglinide on Glucose-Induced Insulin Release into the Portal Vein and Fat-Induced Triglyceride Elevation in Prediabetic and Diabetic OLETF Rats.

Authors: Y. Mori, K. Ojima, Y. Fujimori, I. Aoyagi, H. Kusama, Y. Yamazaki, S. Kojima, N. Shibata, Y. Itoh, N. Tajima

Source: Endocrine (1355008X); Apr2006, Vol. 29 Issue 2, p309-316, 8p

Terahertz Time-Domain Spectroscopy of Dielectric Response in LiNbO&sub3;.

Authors: S. Kojima¹ kojima@bk.tsukuba.ac.jp, H. Kitahara², S. Nishizawa³, Takeda, M. Wada²

Source: Ferroelectrics. 2004, Vol. 303 Issue 1, p221-225. 5p. 4 Graphs.

Subject Terms: *LITHIUM niobate, *DIELECTRICS, *FERROELECTRIC crystals, *TIME-domain analysis, *PHONON spectra, *FERROELECTRICITY

Cytokine and chemokine responses in a cerebral malaria-susceptible or -resistant strain of mice to Plasmodium berghei ANKA infection: early chemokine expression in the brain.

Authors: S. Hanum P., M. Hayano, S. Kojima

Source: International Immunology; 5/1/2003, Vol. 15 Issue 5, p633-640, 8p

Subject Terms: MALARIA, BRAIN diseases, CEREBRAL malaria, PLASMODIIDAE

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