2,481 results on '"Nagashima, Y."'
Search Results
2. A Case of Pathologically Complete Response After Nivolumab Combined with Chemotherapy in a Gastric Cancer Patient with Virchow’s Lymph Node Metastasis
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Izumo W, Hosoda K, Kuramochi H, Nakajima G, Maeda S, Ito S, Nagashima Y, and Itabashi M
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gastric cancer ,virchow's lymph metastasis ,complete response ,pre-operative treatment ,nivolumab ,Diseases of the digestive system. Gastroenterology ,RC799-869 - Abstract
Wataru Izumo,1 Kei Hosoda,1 Hidekazu Kuramochi,2 Go Nakajima,2 Shinsuke Maeda,1 Shunichi Ito,1 Yoji Nagashima,3 Michio Itabashi1 1Department of Surgery, Institute of Gastroenterology, Tokyo Women’s Medical University, Tokyo, 162-8666, Japan; 2Department of Chemotherapy and Palliative Care, Tokyo Women’s Medical University, Tokyo, 162-8666, Japan; 3Department of Surgical Pathology, Tokyo Women’s Medical University Hospital, Tokyo, 162-8666, JapanCorrespondence: Wataru Izumo, Department of Surgery, Institute of Gastroenterology, Tokyo Women’s Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo, 162-8666, Japan, Tel +81-3-3353-8111, Fax +81-3-5269-7507, Email izumo.wataru@twmu.ac.jpAbstract: Gastric cancer with Virchow’s lymph node metastasis (LNM) is not indicated for initial curative surgery. Although there have been some case reports of curative resections after pre-operative treatment, including immune checkpoint inhibitors (ICIs), there is no consensus regarding the optimal timing of surgery. We describe a rare case of initially unresectable gastric cancer treated preoperatively with nivolumab combined chemotherapy, which achieved a pathologically complete response. An 82-year-old man was referred for gastric cancer treatment. Contrast-enhanced computed tomography revealed stomach wall thickening and swollen left supraclavicular LN. This gastric cancer was assessed as unresectable due to the presence of Virchow’s LNM; therefore, chemotherapy and ICI using S-1 plus oxaliplatin plus nivolumab were administered. After three courses of treatment, the primary tumor and Virchow’s LN showed a marked reduction in size. The patient underwent Virchow’s LNM resection as a preliminary step to determine indications for curative surgery. A pathological examination revealed no viable cancer cells were found inside the resected LN. The patient underwent distal gastrectomy. Pathological examination revealed complete degeneration of the primary tumor and regional LN without residual carcinoma. The patient did not receive adjuvant chemotherapy and survived with no evidence of recurrence for one year after the initial treatment.Keywords: gastric cancer, Virchow’s lymph metastasis, complete response, pre-operative treatment, nivolumab
- Published
- 2023
3. Rotational movement analysis based on Fourier-rectangular function transform for cylindrical plasma.
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Nishimura, D., Fujisawa, A., Yamasaki, K., Nagashima, Y., Moon, C., Nishizawa, T., Kobayashi, T.-K., Kobayashi, T., Shimizu, A., Tokuzawa, T., and Ido, T.
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CYLINDRICAL plasmas ,STELLAR oscillations ,PLASMA dynamics - Abstract
This article presents a method to estimate the rotational velocity of a cylindrical plasma from its two-dimensional images by an extended use of the Fourier-rectangular function transform, which was proposed to analyze the structure and dynamics of a cylindrical plasma [K. Yamasaki e t a l., J. Appl. Phys. 126 , 043304 (2019)]. The proposed method is applied to tomography images of plasmas produced in a linear cylindrical device and succeeds in obtaining the radial distribution of rotational velocity and its fluctuations, providing an interesting finding, that is, the existence of flow modulation associated with m = 1 mode fluctuations. [ABSTRACT FROM AUTHOR]
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- 2023
- Full Text
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4. Temporal-spatial structures of plasmas flows and turbulence around tearing mode islands in the edge tokamak plasmas
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Zhao, KJ, Nagashima, Y, Li, FM, Shi, Yuejiang, Diamond, PH, Dong, JQ, Itoh, K, Itoh, S-I, Zhuang, G, Liu, H, Chen, ZP, Cheng, J, Nie, L, Ding, YH, Hu, QM, Chen, ZY, Rao, B, Cheng, ZF, Gao, L, Zhang, XQ, Yang, ZJ, Wang, NC, Wang, L, Jin, W, Yan, W, Xu, JQ, Wu, YF, Yan, LW, Fujisawa, A, Inagaki, S, Kosuga, Y, and Sasaki, M
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tearing mode ,magetic island ,plasma flow ,turbulence ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Fluids & Plasmas - Abstract
The temporal-spatial structures of plasma flows and turbulence around tearing mode islands are presented. The experiments were performed using Langmuir probe arrays in the edge plasmas of J-TEXT tokamak. The correlation analyses clearly show that the flows have similar structures of m/n = 3/1 as the magnetic island does (m and n are the poloidal and toroidal mode numbers, respectively). The sign of the potential fluctuations for the flows inverses and the powers significantly reduce at q = 3 surface. Approaching to the last closed flux surface for the magnetic islands, the radially elongated flow structure forms. The flows are concentrated near separatrix and show quadrupole structures. The turbulence is concentrated near X-point and partly trapped inside the magnetic islands.
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- 2017
5. Mesoscale electric fluctuations interacting with zonal flows, magnetic fluctuations and turbulence
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Zhao, KJ, Nagashima, Y, Diamond, PH, Dong, JQ, Itoh, K, Itoh, S-I, Yan, LW, Cheng, J, Fujisawa, A, Inagaki, S, Kosuga, Y, Sasaki, M, Huang, ZH, Yu, DL, Li, Q, Ji, XQ, Song, XM, Huang, Y, Liu, Yi, Yang, QW, Ding, XT, and Duan, XR
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magnetic fluctuations ,turbulence ,zonal flows ,mesoscale electric fluctuations ,nonlinear synchronization ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Fluids & Plasmas - Published
- 2017
6. Erratum: Molecular Ion Desorption from LiF(110) Surfaces by Positron Annihilation [Phys. Rev. Lett. 131 , 143201 (2023)]
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Tachibana, T., primary, Hoshi, D., additional, and Nagashima, Y., additional
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- 2024
- Full Text
- View/download PDF
7. Synchronization of Geodesic Acoustic Modes and Magnetic Fluctuations in Toroidal Plasmas
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Zhao, KJ, Nagashima, Y, Diamond, PH, Dong, JQ, Itoh, K, Itoh, S-I, Yan, LW, Cheng, J, Fujisawa, A, Inagaki, S, Kosuga, Y, Sasaki, M, Wang, ZX, Wei, L, Huang, ZH, Yu, DL, Hong, WY, Li, Q, Ji, XQ, Song, XM, Huang, Y, Liu, Yi, Yang, QW, Ding, XT, and Duan, XR
- Subjects
Mathematical Sciences ,Physical Sciences ,Engineering ,General Physics - Abstract
The synchronization of geodesic acoustic modes (GAMs) and magnetic fluctuations is identified in the edge plasmas of the HL-2A tokamak. Mesoscale electric fluctuations (MSEFs) having components of a dominant GAM, and m/n=6/2 potential fluctuations are found at the same frequency as that of the magnetic fluctuations of m/n=6/2 (m and n are poloidal and toroidal mode numbers, respectively). The temporal evolutions of the MSEFs and the magnetic fluctuations clearly show the frequency entrainment and the phase lock between the GAM and the m/n=6/2 magnetic fluctuations. The results indicate that GAMs and magnetic fluctuations can transfer energy through nonlinear synchronization. Such nonlinear synchronization may also contribute to low-frequency zonal flow formation, reduction of turbulence level, and thus confinement regime transitions.
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- 2016
8. The Physics of the B Factories
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Bevan, A. J., Golob, B., Mannel, Th., Prell, S., Yabsley, B. D., Abe, K., Aihara, H., Anulli, F., Arnaud, N., Aushev, T., Beneke, M., Beringer, J., Bianchi, F., Bigi, I. I., Bona, M., Brambilla, N., rodzicka, J. B, Chang, P., Charles, M. J., Cheng, C. H., Cheng, H. -Y., Chistov, R., Colangelo, P., Coleman, J. P., Drutskoy, A., Druzhinin, V. P., Eidelman, S., Eigen, G., Eisner, A. M., Faccini, R., Flood, K. T ., Gambino, P., Gaz, A., Gradl, W., Hayashii, H., Higuchi, T., Hulsbergen, W. D., Hurth, T., Iijima, T., Itoh, R., Jackson, P. D., Kass, R., Kolomensky, Yu. G., Kou, E., Križan, P., Kronfeld, A., Kumano, S., Kwon, Y. J., Latham, T. E., Leith, D. W. G. S., Lüth, V., Martinez-Vidal, F., Meadows, B. T., Mussa, R., Nakao, M., Nishida, S., Ocariz, J., Olsen, S. L., Pakhlov, P., Pakhlova, G., Palano, A., Pich, A., Playfer, S., Poluektov, A., Porter, F. C., Robertson, S. H., Roney, J. M., Roodman, A., Sakai, Y., Schwanda, C., Schwartz, A. J., Seidl, R., Sekula, S. J., Steinhauser, M., Sumisawa, K., Swanson, E. S., Tackmann, F., Trabelsi, K., Uehara, S., Uno, S., van der Water, R., Vasseur, G., Verkerke, W., Waldi, R., Wang, M. Z., Wilson, F. F., Zupan, J., Zupanc, A., Adachi, I., Albert, J., Banerjee, Sw., Bellis, M., Ben-Haim, E., Biassoni, P., Cahn, R. N., Cartaro, C., Chauveau, J., Chen, C., Chiang, C. C., Cowan, R., Dalseno, J., Davier, M., Davies, C., Dingfelder, J. C., nard, B. Eche, Epifanov, D., Fulsom, B. G., Gabareen, A. M., Gary, J. W., Godang, R., Graham, M. T., Hafner, A., Hamilton, B., Hartmann, T., Hayasaka, K., Hearty, C., Iwasaki, Y., Khodjamirian, A., Kusaka, A., Kuzmin, A., Lafferty, G. D., Lazzaro, A., Li, J., Lindemann, D., Long, O., Lusiani, A., Marchiori, G., Martinelli, M., Miyabayashi, K., Mizuk, R., Mohanty, G. B., Muller, D. R., Nakazawa, H., Ongmongkolkul, P., Pacetti, S., Palombo, F., Pedlar, T. K., Piilonen, L. E., Pilloni, A., Poireau, V., Prothmann, K., Pulliam, T., Rama, M., Ratcliff, B. N., Roudeau, P., Schrenk, S., Schroeder, T., Schubert, K. R., Shen, C. P., Shwartz, B., Soffer, A., Solodov, E. P., Somov, A., Starič, M., Stracka, S., Telnov, A. V., Todyshev, K. Yu., Tsuboyama, T., Uglov, T., Vinokurova, A., Walsh, J. J., Watanabe, Y., Won, E., Wormser, G., Wright, D. H., Ye, S., Zhang, C. C., Abachi, S., Abashian, A., Abe, N., Abe, R., Abe, T., Abrams, G. S., Adam, I., Adamczyk, K., Adametz, A., Adye, T., Agarwal, A., Ahmed, H., Ahmed, M., Ahmed, S., Ahn, B. S., Ahn, H. S., Aitchison, I. J. R., Akai, K., Akar, S., Akatsu, M., Akemoto, M., Akhmetshin, R., Akre, R., Alam, M. S., Albert, J. N., Aleksan, R., Alexander, J. P., Alimonti, G., Allen, M. T., Allison, J., Allmendinger, T., Alsmiller, J. R. G., Altenburg, D., Alwyn, K. E., An, Q., Anderson, J., Andreassen, R., Andreotti, D., Andreotti, M., Andress, J. C., Angelini, C., Anipko, D., Anjomshoaa, A., Anthony, P. L., Antillon, E. A., Antonioli, E., Aoki, K., Arguin, J. F., Arinstein, K., Arisaka, K., Asai, K., Asai, M., Asano, Y., Asgeirsson, D. J., Asner, D. M., Aso, T., Aspinwall, M. L., Aston, D., Atmacan, H., Aubert, B., Aulchenko, V., Ayad, R., Azemoon, T., Aziz, T., Azzolini, V., Azzopardi, D. E., Baak, M. A., Back, J. J., Bagnasco, S., Bahinipati, S., Bailey, D. S., Bailey, S., Bailly, P., van Bakel, N., Bakich, A. M., Bala, A., Balagura, V., Baldini-Ferroli, R., Ban, Y., Banas, E., Band, H. R., Banerjee, S., Baracchini, E., Barate, R., Barberio, E., Barbero, M., Bard, D. J., Barillari, T., Barlow, N. R., Barlow, R. J., Barrett, M., Bartel, W., Bartelt, J., Bartoldus, R., Batignani, G., Battaglia, M., Bauer, J. M., Bay, A., Beaulieu, M., Bechtle, P., Beck, T. W., Becker, J., Becla, J., Bedny, I., Behari, S., Behera, P. K., Behn, E., Behr, L., Beigbeder, C., Beiline, D., Bell, R., Bellini, F., Bellodi, G., Belous, K., Benayoun, M., Benelli, G., Benitez, J. F., Benkebil, M., Berger, N., Bernabeu, J., Bernard, D., Bernet, R., Bernlochner, F. U., Berryhill, J. W., Bertsche, K., Besson, P., Best, D. S., Bettarini, S., Bettoni, D., Bhardwaj, V., Bhimji, W., Bhuyan, B., Biagini, M. E., Biasini, M., van Bibber, K., Biesiada, J., Bingham, I., Bionta, R. M., Bischofberger, M., Bitenc, U., Bizjak, I., Blanc, F., Blaylock, G., Blinov, V. E., Bloom, E., Bloom, P. C., Blount, N. L., Blouw, J., Bly, M., Blyth, S., Boeheim, C. T., Bomben, M., Bondar, A., Bondioli, M., Bonneaud, G. R., Bonvicini, G., Booke, M., Booth, J., Borean, C., Borgland, A. W., Borsato, E., Bosi, F., Bosisio, L., Botov, A. A., Bougher, J., Bouldin, K., Bourgeois, P., Boutigny, D., Bowerman, D. A., Boyarski, A. M., Boyce, R. F., Boyd, J. T., Bozek, A., Bozzi, C., Bračko, M., Brandenburg, G., Brandt, T., Brau, B., Brau, J., Breon, A. B., Breton, D., Brew, C., Briand, H., Bright-Thomas, P. G., Brigljević, V., Britton, D. I., Brochard, F., Broomer, B., Brose, J., Browder, T. E., Brown, C. L., Brown, C. M., Brown, D. N., Browne, M., Bruinsma, M., Brunet, S., Bucci, F., Buchanan, C., Buchmueller, O. L., Bünger, C., Bugg, W., Bukin, A. D., Bula, R., Bulten, H., Burchat, P. R., Burgess, W., Burke, J. P., Button-Shafer, J., Buzykaev, A. R., Buzzo, A., Cai, Y., Calabrese, R., Calcaterra, A., Calderini, G., Camanzi, B., Campagna, E., Campagnari, C., Capra, R., Carassiti, V., Carpinelli, M., Carroll, M., Casarosa, G., Casey, B. C. K., Cason, N. M., Castelli, G., Cavallo, N., Cavoto, G., Cecchi, A., Cenci, R., Cerizza, G., Cervelli, A., Ceseracciu, A., Chai, X., Chaisanguanthum, K. S., Chang, M. C., Chang, Y. H., Chang, Y. W., Chao, D. S., Chao, M., Chao, Y., Charles, E., Chavez, C. A., Cheaib, R., Chekelian, V., Chen, A., Chen, E., Chen, G. P., Chen, H. F., Chen, J. -H., Chen, J. C., Chen, K. F., Chen, P., Chen, S., Chen, W. T., Chen, X., Chen, X. R., Chen, Y. Q., Cheng, B., Cheon, B. G., Chevalier, N., Chia, Y. M., Chidzik, S., Chilikin, K., Chistiakova, M. V., Cizeron, R., Cho, I. S., Cho, K., Chobanova, V., Choi, H. H. F., Choi, K. S., Choi, S. K., Choi, Y., Choi, Y. K., Christ, S., Chu, P. H., Chun, S., Chuvikov, A., Cibinetto, G., Cinabro, D., Clark, A. R., Clark, P. J., Clarke, C. K., Claus, R., Claxton, B., Clifton, Z. C., Cochran, J., Cohen-Tanugi, J., Cohn, H., Colberg, T., Cole, S., Colecchia, F., Condurache, C., Contri, R., Convert, P., Convery, M. R., Cooke, P., Copty, N., Cormack, C. M., Corso, F. Dal, Corwin, L. A., Cossutti, F., Cote, D., Ramusino, A. Cotta, Cottingham, W. N., Couderc, F., Coupal, D. P., Covarelli, R., Cowan, G., Craddock, W. W., Crane, G., Crawley, H. B., Cremaldi, L., Crescente, A., Cristinziani, M., Crnkovic, J., Crosetti, G., Cuhadar-Donszelmann, T., Cunha, A., Curry, S., D'Orazio, A., Dû, S., Dahlinger, G., Dahmes, B., Dallapiccola, C., Danielson, N., Danilov, M., Das, A., Dash, M., Dasu, S., Datta, M., Daudo, F., Dauncey, P. D., David, P., Davis, C. L., Day, C. T., De Mori, F., De Domenico, G., De Groot, N., De la Vaissière, C., de la Vaissière, Ch., de Lesquen, A., De Nardo, G., de Sangro, R., De Silva, A., DeBarger, S., Decker, F. J., Sanchez, P. del Amo, Del Buono, L., Del Gamba, V., del Re, D., Della Ricca, G., Denig, A. G., Derkach, D., Derrington, I. M., DeStaebler, H., Destree, J., Devmal, S., Dey, B., Di Girolamo, B., Di Marco, E., Dickopp, M., Dima, M. O., Dittrich, S., Dittongo, S., Dixon, P., Dneprovsky, L., Dohou, F., Doi, Y., Doležal, Z., Doll, D. A., Donald, M., Dong, L., Dong, L. Y., Dorfan, J., Dorigo, A., Dorsten, M. P., Dowd, R., Dowdell, J., Drásal, Z., Dragic, J., Drummond, B. W., Dubitzky, R. S., Dubois-Felsmann, G. P., Dubrovin, M. S., Duh, Y. C., Duh, Y. T., Dujmic, D., Dungel, W., Dunwoodie, W., Dutta, D., Dvoretskii, A., Dyce, N., Ebert, M., Eckhart, E. A., Ecklund, S., Eckmann, R., Eckstein, P., Edgar, C. L., Edwards, A. J., Egede, U., Eichenbaum, A. M., Elmer, P., Emery, S., Enari, Y., Enomoto, R., Erdos, E., Erickson, R., Ernst, J. A., Erwin, R. J., Escalier, M., Eschenburg, V., Eschrich, I., Esen, S., Esteve, L., Evangelisti, F., Everton, C. W., Eyges, V., Fabby, C., Fabozzi, F., Fahey, S., Falbo, M., Fan, S., Fang, F., Fanin, C., Farbin, A., Farhat, H., Fast, J. E., Feindt, M., Fella, A., Feltresi, E., Ferber, T., Fernholz, R. E., Ferrag, S., Ferrarotto, F., Ferroni, F., Field, R. C., Filippi, A., Finocchiaro, G., Fioravanti, E., da Costa, J. Firmino, Fischer, P. -A., Fisher, A., Fisher, P. H., Flacco, C. J., Flack, R. L., Flaecher, H. U., Flanagan, J., Flanigan, J. M., Ford, K. E., Ford, W. T., Forster, I. J., Forti, A. C., Forti, F., Fortin, D., Foster, B., Foulkes, S. D., Fouque, G., Fox, J., Franchini, P., Sevilla, M. Franco, Franek, B., Frank, E. D., Fransham, K. B., Fratina, S., Fratini, K., Frey, A., Frey, R., Friedl, M., Fritsch, M., Fry, J. R., Fujii, H., Fujikawa, M., Fujita, Y., Fujiyama, Y., Fukunaga, C., Fukushima, M., Fullwood, J., Funahashi, Y., Funakoshi, Y., Furano, F., Furman, M., Furukawa, K., Futterschneider, H., Gabathuler, E., Gabriel, T. A., Gabyshev, N., Gaede, F., Gagliardi, N., Gaidot, A., Gaillard, J. -M., Gaillard, J. R., Galagedera, S., Galeazzi, F., Gallo, F., Gamba, D., Gamet, R., Gan, K. K., Gandini, P., Ganguly, S., Ganzhur, S. F., Gao, Y. Y., Gaponenko, I., Garmash, A., Tico, J. Garra, Garzia, I., Gaspero, M., Gastaldi, F., Gatto, C., Gaur, V., Geddes, N. I., Geld, T. L., Genat, J. -F., George, K. A., George, M., George, S., Georgette, Z., Gershon, T. J., Gill, M. S., Gillard, R., Gilman, J. D., Giordano, F., Giorgi, M. A., Giraud, P. -F., Gladney, L., Glanzman, T., Glattauer, R., Go, A., Goetzen, K., Goh, Y. M., Gokhroo, G., Goldenzweig, P., Golubev, V. B., Gopal, G. P., Gordon, A., Gorišek, A., Goriletsky, V. I., Gorodeisky, R., Gosset, L., Gotow, K., Gowdy, S. J., Graffin, P., Grancagnolo, S., Grauges, E., Graziani, G., Green, M. G., Greene, M. G., Grenier, G. J., Grenier, P., Griessinger, K., Grillo, A. A., Grinyov, B. V., Gritsan, A. V., Grosdidier, G., Perdekamp, M. Grosse, Grosso, P., Grothe, M., Groysman, Y., Grünberg, O., Guido, E., Guler, H., Gunawardane, N. J. W., Guo, Q. H., Guo, R. S., Guo, Z. J., Guttman, N., Ha, H., Ha, H. C., Haas, T., Haba, J., Hachtel, J., Hadavand, H. K., Hadig, T., Hagner, C., Haire, M., Haitani, F., Haji, T., Haller, G., Halyo, V., Hamano, K., Hamasaki, H., de Monchenault, G. Hamel, Hamilton, J., Hamilton, R., Hamon, O., Han, B. Y., Han, Y. L., Hanada, H., Hanagaki, K., Handa, F., Hanson, J. E., Hanushevsky, A., Hara, K., Hara, T., Harada, Y., Harrison, P. F., Harrison, T. J., Harrop, B., Hart, A. J., Hart, P. A., Hartfiel, B. L., Harton, J. L., Haruyama, T., Hasan, A., Hasegawa, Y., Hast, C., Hastings, N. C., Hasuko, K., Hauke, A., Hawkes, C. M., Hayashi, K., Hazumi, M., Hee, C., Heenan, E. M., Heffernan, D., Held, T., Henderson, R., Henderson, S. W., Hertzbach, S. S., Hervé, S., Heß, M., Heusch, C. A., Hicheur, A., Higashi, Y., Higasino, Y., Higuchi, I., Hikita, S., Hill, E. J., Himel, T., Hinz, L., Hirai, T., Hirano, H., Hirschauer, J. F., Hitlin, D. G., Hitomi, N., Hodgkinson, M. C., Höcker, A., Hoi, C. T., Hojo, T., Hokuue, T., Hollar, J. J., Hong, T. M., Honscheid, K., Hooberman, B., Hopkins, D. A., Horii, Y., Hoshi, Y., Hoshina, K., Hou, S., Hou, W. S., Hryn'ova, T., Hsiung, Y. B., Hsu, C. L., Hsu, S. C., Hu, H., Hu, T., Huang, H. C., Huang, T. J., Huang, Y. C., Huard, Z., Huffer, M. E., Hufnagel, D., Hung, T., Hutchcroft, D. E., Hyun, H. J., Ichizawa, S., Igaki, T., Igarashi, A., Igarashi, S., Igarashi, Y., Igonkina, O., Ikado, K., Ikeda, H., Ikeda, K., Ilic, J., Inami, K., Innes, W. R., Inoue, Y., Ishikawa, A., Ishino, H., Itagaki, K., Itami, S., Itoh, K., Ivanchenko, V. N., Iverson, R., Iwabuchi, M., Iwai, G., Iwai, M., Iwaida, S., Iwamoto, M., Iwasaki, H., Iwasaki, M., Iwashita, T., Izen, J. M., Jackson, D. J., Jackson, F., Jackson, G., Jackson, P. S., Jacobsen, R. G., Jacoby, C., Jaegle, I., Jain, V., Jalocha, P., Jang, H. K., Jasper, H., Jawahery, A., Jayatilleke, S., Jen, C. M., Jensen, F., Jessop, C. P., Ji, X. B., John, M. J. J., Johnson, D. R., Johnson, J. R., Jolly, S., Jones, M., Joo, K. K., Joshi, N., Joshi, N. J., Judd, D., Julius, T., Kadel, R. W., Kadyk, J. A., Kagan, H., Kagan, R., Kah, D. H., Kaiser, S., Kaji, H., Kajiwara, S., Kakuno, H., Kameshima, T., Kaminski, J., Kamitani, T., Kaneko, J., Kang, J. H., Kang, J. S., Kani, T., Kapusta, P., Karbach, T. M., Karolak, M., Karyotakis, Y., Kasami, K., Katano, G., Kataoka, S. U., Katayama, N., Kato, E., Kato, Y., Kawai, H., Kawai, M., Kawamura, N., Kawasaki, T., Kay, J., Kay, M., Kelly, M. P., Kelsey, M. H., Kent, N., Kerth, L. T., Khan, A., Khan, H. R., Kharakh, D., Kibayashi, A., Kichimi, H., Kiesling, C., Kikuchi, M., Kikutani, E., Kim, B. H., Kim, C. H., Kim, D. W., Kim, H., Kim, H. J., Kim, H. O., Kim, H. W., Kim, J. B., Kim, J. H., Kim, K. T., Kim, M. J., Kim, P., Kim, S. K., Kim, S. M., Kim, T. H., Kim, Y. I., Kim, Y. J., King, G. J., Kinoshita, K., Kirk, A., Kirkby, D., Kitayama, I., Klemetti, M., Klose, V., Klucar, J., Knecht, N. S., Knoepfel, K. J., Knowles, D. J., Ko, B. R., Kobayashi, N., Kobayashi, S., Kobayashi, T., Kobel, M. J., Koblitz, S., Koch, H., Kocian, M. L., Kodyš, P., Koeneke, K., Kofler, R., Koike, S., Koishi, S., Koiso, H., Kolb, J. A., Kolya, S. D., Kondo, Y., Konishi, H., Koppenburg, P., Koptchev, V. B., Kordich, T. M. B., Korol, A. A., Korotushenko, K., Korpar, S., Kouzes, R. T., Kovalskyi, D., Kowalewski, R., Kozakai, Y., Kozanecki, W., Kral, J. F., Krasnykh, A., Krause, R., Kravchenko, E. 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M., Zhulanov, V., Ziegler, T., Ziegler, V., Zioulas, G., Zisman, M., Zito, M., Zürcher, D., Zwahlen, N., Zyukova, O., Živko, T., and Žontar, D.
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High Energy Physics - Experiment ,High Energy Physics - Phenomenology - Abstract
This work is on the Physics of the B Factories. Part A of this book contains a brief description of the SLAC and KEK B Factories as well as their detectors, BaBar and Belle, and data taking related issues. Part B discusses tools and methods used by the experiments in order to obtain results. The results themselves can be found in Part C. Please note that version 3 on the archive is the auxiliary version of the Physics of the B Factories book. This uses the notation alpha, beta, gamma for the angles of the Unitarity Triangle. The nominal version uses the notation phi_1, phi_2 and phi_3. Please cite this work as Eur. Phys. J. C74 (2014) 3026., Comment: 928 pages, version 3 (arXiv:1406.6311v3) corresponds to the alpha, beta, gamma version of the book, the other versions use the phi1, phi2, phi3 notation
- Published
- 2014
- Full Text
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9. Plasma equilibrium based on EC-driven current profile with toroidal rotation on QUEST
- Author
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Nakamura, K., Alam, M.M., Jiang, Y.Z., Mitarai, O., Takechi, M., Hasegawa, M., Tokunaga, K., Hanada, K., Idei, H., Nagashima, Y., Onchi, T., Kuroda, K., Watanabe, O., Higashijima, A., Nagata, T., Shimabukuro, S., Kawasaki, S., and Fukuyama, A.
- Published
- 2019
- Full Text
- View/download PDF
10. High voltage electrical system of 8.56 GHz CW klystron for electron cyclotron heating on QUEST spherical tokamak
- Author
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Onchi, T., Idei, H., Nakamura, K., Nagata, T., Kawasaki, S., Ashida, R., Fukuyama, M., Hasegawa, M., Ikezoe, R., Higashijima, A., Kuroda, K., Nagashima, Y., and Hanada, K.
- Published
- 2019
- Full Text
- View/download PDF
11. 28-GHz ECHCD system with beam focusing launcher on the QUEST spherical tokamak
- Author
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Idei, H., Onchi, T., Kariya, T., Tsujimura, T.I., Kubo, S., Kobayashi, S., Sakaguchi, M., Imai, T., Hasegawa, M., Nakamura, K., Mishra, K., Fukuyama, M., Yunoki, M., Kojima, S., Watanabe, O., Kuroda, K., Hanada, K., Nagashima, Y., Ejiri, A., Matsumoto, N., Ono, M., Higashijima, A., Nagata, T., Shimabukoro, S., Takase, Y., Fukuyama, A., and Murakami, S.
- Published
- 2019
- Full Text
- View/download PDF
12. Molecular Ion Desorption from LiF(110) Surfaces by Positron Annihilation
- Author
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Tachibana, T., primary, Hoshi, D., additional, and Nagashima, Y., additional
- Published
- 2023
- Full Text
- View/download PDF
13. Sawtooth-triggered limit-cycle oscillations and I-phase in the HL-2A tokamak
- Author
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Zhao, KJ, Cheng, J, Diamond, PH, Dong, JQ, Yan, LW, Hong, WY, Xu, M, Tynan, G, Miki, K, Huang, ZH, Itoh, K, Itoh, S-I, Fujisawa, A, Nagashima, Y, Inagaki, S, Wang, ZX, Wei, L, Song, XM, Lei, GJ, Li, Q, Ji, XQ, Liu, Yi, Yang, QW, Ding, XT, and Duan, XR
- Subjects
Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Fluids & Plasmas - Abstract
Transitions between low (L-mode) and intermediate (I-phase) confinement regimes triggered by sawteeth are investigated using multiple Langmuir probe arrays in the edge plasmas of the HL-2A tokamak. The I-phase is characterized by limit-cycle oscillations (LCOs). Repeated L-I-L transitions induced by sawtooth heat pulses are also observed. Statistical analyses show that the delay time of the L-I transition relative to sawtooth crashes is less than ∼1 ms. The intensity of turbulence bursts in the I-phase is stronger than those observed in L-mode plasmas. Measurements are consistent with zonal flow reducing turbulence intensity in the frequency band ∼20-100 kHz, while the LCO turbulence of frequency higher than 100 kHz has more power than that in the L-mode. The analyses of time-resolved power transfers between turbulence and zonal flows suggest that power transfers exist between turbulence and zonal flows. The direction of the power transfers is from turbulence into geodesic acoustic modes in ohmic plasmas. © 2013 IAEA, Vienna.
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- 2013
14. The ASACUSA CUSP: an antihydrogen experiment
- Author
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Kuroda, N., Ulmer, S., Murtagh, D. J., Van Gorp, S., Nagata, Y., Diermaier, M., Federmann, S., Leali, M., Malbrunot, C., Mascagna, V., Massiczek, O., Michishio, K., Mizutani, T., Mohri, A., Nagahama, H., Ohtsuka, M., Radics, B., Sakurai, S., Sauerzopf, C., Suzuki, K., Tajima, M., Torii, H. A., Venturelli, L., Wünschek, B., Zmeskal, J., Zurlo, N., Higaki, H., Kanai, Y., Lodi Rizzini, E., Nagashima, Y., Matsuda, Y., Widmann, E., Yamazaki, Y., Wada, Michiharu, editor, Schury, Peter, editor, and Ichikawa, Yuichi, editor
- Published
- 2017
- Full Text
- View/download PDF
15. Search for Dark Matter WIMPs using Upward Through-going Muons in Super-Kamiokande
- Author
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Collaboration, Super-Kamiokande, Desai, S., Ashie, Y., Fukuda, S., Fukuda, Y., Ishihara, K., Itow, Y., Koshio, Y., Minamino, A., Miura, M., Moriyama, S., Nakahata, M., Namba, T., Nambu, R., Obayashi, Y., Sakurai, N., Shiozawa, M., Suzuki, Y., Takeuchi, H., Takeuchi, Y., Yamada, S., Ishitsuka, M., Kajita, T., Kaneyuki, K., Nakayama, S., Okada, A., Ooyabu, T., Saji, C., Earl, M., Kearns, E., Stone, J. L., Sulak, L. R., Walter, C. W., Wang, W., Goldhaber, M., Barszczak, T., Casper, D., Cravens, J. P., Gajewski, W., Kropp, W. R., Mine, S., Liu, D. W., Smy, M. B., Sobel, H. W., Sterner, C. W., Vagins, M. R., Ganezer, K. S., Hill, J., Keig, W. E., Kim, J. Y., Lim, I. T., Ellsworth, R. W., Tasaka, S., Guillian, G., Kibayashi, A., Learned, J. G., Matsuno, S., Takemori, D., Messier, M. D., Hayato, Y., Ichikawa, A. K., Ishida, T., Ishii, T., Iwashita, T., Kameda, J., Kobayashi, T., Maruyama, T., Nakamura, K., Nitta, K., Oyama, Y., Sakuda, M., Totsuka, Y., Suzuki, A. T., Hasegawa, M., Hayashi, K., Inagaki, T., Kato, I., Maesaka, H., Morita, T., Nakaya, T., Nishikawa, K., Sasaki, T., Ueda, S., Yamamoto, S., Haines, T. J., Dazeley, S., Hatakeyama, S., Svoboda, R., Blaufuss, E., Goodman, J. A., Sullivan, G. W., Turcan, D., Scholberg, K., Habig, A., Jung, C. K., Kato, T., Kobayashi, K., Malek, M., Mauger, C., McGrew, C., Sarrat, A., Sharkey, E., Yanagisawa, C., Toshito, T., Mitsuda, C., Miyano, K., Shibata, T., Kajiyama, Y., Nagashima, Y., Takita, M., Yoshida, M., Kim, H. I., Okazawa, H., Ishizuka, T., Choi, Y., Seo, H. K., Gando, Y., Hasegawa, T., Inoue, K., Shirai, J., Suzuki, A., Koshiba, M., Hashimoto, T., Nakajima, Y., Nishijima, K., Harada, T., Ishino, H., Morii, M., Nishimura, R., Watanabe, Y., Kielczewska, D., Zalipska, J., Gran, R., Shiraishi, K. K., Washburn, K., and Wilkes, R. J.
- Subjects
High Energy Physics - Experiment ,Astrophysics - Abstract
We present the results of indirect searches for Weakly Interacting Massive Particles (WIMPs) with 1679.6 live days of data from the Super-Kamiokande detector using neutrino-induced upward through-going muons. The search is performed by looking for an excess of high energy muon neutrinos from WIMP annihilations in the Sun, the core of the Earth, and the Galactic Center, as compared to the number expected from the atmospheric neutrino background. No statistically significant excess was seen. We calculate flux limits in various angular cones around each of the above celestial objects. We obtain conservative model-independent upper limits on WIMP-nucleon cross-section as a function of WIMP mass and compare these results with the corresponding results from direct dark matter detection experiments., Comment: 10 pages, 14 figures, Submitted to Phys. Rev. D
- Published
- 2004
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16. Spatial structures and interaction of multiple sheared flow populations in tokamak edge turbulence
- Author
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Zhao, KJ, Dong, JQ, Yan, LW, Diamond, PH, Cheng, J, Hong, WY, Huang, ZH, Xu, M, Tynan, GR, Itoh, K, Itoh, S-I, Fujisawa, A, Nagashima, Y, Inagaki, S, Wang, ZX, Wei, L, Li, Q, Ji, XQ, Huang, Y, Liu, Yi, Zhou, J, Song, XM, Yang, QW, Ding, XT, and Duan, XR
- Subjects
Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Fluids & Plasmas - Abstract
The radial structures of multiple sheared flow populations and fluctuations are simultaneously measured using combinations of Langmuir probe arrays in the edge plasmas of the HL-2A tokamak with ohmic and electron cyclotron resonance heating (ECRH). The maximum of geodesic acoustic mode (GAM) amplitude locates at ∼2-3 cm inside the last close flux surface (LCFS). The low-frequency zonal flow (LFZF) and GAM tend to coexist in the inner region. The dependences of the amplitudes of the multiple sheared flows and turbulence on ECRH heating power are also investigated. The measured turbulent Reynolds stresses are shown to be strongly correlated with the sheared flows, as predicted by theory. The turbulence is modulated at the each frequency of the multiple sheared flows simultaneously, and the particle fluxes induced by the turbulence are significantly reduced near the LCFS and in the GAM peaking region. The analyses also show that the spatial structures of the turbulent envelopes at the LFZF and GAM frequencies are similar to those observed in LFZF and GAM. © 2013 IAEA, Vienna.
- Published
- 2013
17. Non-Gaussian properties of global momentum and particle fluxes in a cylindrical laboratory plasma
- Author
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Nagashima, Y, Itoh, SI, Inagaki, S, Arakawa, H, Kasuya, N, Fujisawa, A, Kamataki, K, Yamada, T, Shinohara, S, Oldenbürger, S, Yagi, M, Takase, Y, Diamond, PH, and Itoh, K
- Subjects
Fluids & Plasmas ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Astronomical and Space Sciences ,Classical Physics ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics - Abstract
Non-Gaussian statistical properties of the azimuthally averaged momentum and particle fluxes driven by turbulence have been simultaneously observed in inhomogeneous magnetized plasmas for the first time. We identified the stretched Gaussian distribution of the both fluxes and the transition from the point-wise distribution to averaged ones was confirmed. The change of the particle flux precedes that of the momentum flux, demonstrating that the momentum flux is induced by the relaxation of density gradient. © 2011 American Institute of Physics.
- Published
- 2011
18. Spectroscopic measurement of increases in hydrogen molecular rotational temperature with plasma-facing surface temperature and due to collisional-radiative processes in tokamaks
- Author
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Yoneda, N., primary, Shikama, T., additional, Scotti, F., additional, Hanada, K., additional, Iguchi, H., additional, Idei, H., additional, Onchi, T., additional, Ejiri, A., additional, Ido, T., additional, Kono, K., additional, Peng, Y., additional, Osawa, Y., additional, Yatomi, G., additional, Kidani, A., additional, Kudo, M., additional, Hiraka, R., additional, Takeda, K., additional, Bell, R.E., additional, Maan, A., additional, Boyle, D.P., additional, Majeski, R., additional, Soukhanovskii, V.A., additional, Groth, M., additional, McLean, A.G., additional, Wilcox, R.S., additional, Lasnier, C., additional, Nakamura, K., additional, Nagashima, Y., additional, Ikezoe, R., additional, Hasegawa, M., additional, Kuroda, K., additional, Higashijima, A., additional, Nagata, T., additional, Shimabukuro, S., additional, Niiya, I., additional, Sekiya, I., additional, and Hasuo, M., additional
- Published
- 2023
- Full Text
- View/download PDF
19. Observation of the parametric-modulational instability between the drift-wave fluctuation and azimuthally symmetric sheared radial electric field oscillation in a cylindrical laboratory plasma
- Author
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Nagashima, Y, Itoh, SI, Shinohara, S, Fukao, M, Fujisawa, A, Terasaka, K, Kawai, Y, Tynan, GR, Diamond, PH, Yagi, M, Inagaki, S, Yamada, T, and Itoh, K
- Subjects
modulational instability ,parametric instability ,plasma drift waves ,plasma fluctuations ,plasma nonlinear processes ,plasma oscillations ,Fluids & Plasmas ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Astronomical and Space Sciences ,Classical Physics ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics - Abstract
Observation of the parametric-modulational interaction between the drift-wave fluctuation (7-8 kHz) and azimuthally symmetric sheared radial electric field structure (∼0.4 kHz) in a cylindrical laboratory plasma is presented. Oscillation of the sheared radial electric field is synchronized at modulations of the radial wave number and Reynolds stress per mass density of the drift-wave spectrum. Bispectral analysis at the location where the sheared radial electric field has finite radial wave numbers shows that nonlinear energy transfers from the drift wave to the sheared radial electric field occur. Nonlocal energy transfers of fluctuations via "channel of the azimuthally symmetric sheared radial electric field" in spectral space as well as real space are discovered. © 2009 American Institute of Physics.
- Published
- 2009
20. Plasma equilibrium based on RF-driven current profile without assuming nested magnetic surfaces on QUEST
- Author
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Nakamura, K., Alam, M.M., Jiang, Y.Z., Mitarai, O., Kurihara, K., Kawamata, Y., Sueoka, M., Takechi, M., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., Fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Nagata, T., and Fukuyama, A.
- Published
- 2017
- Full Text
- View/download PDF
21. Experimental studies of zonal flow and field in compact helical system plasma
- Author
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Fujisawa, A, Itoh, K, Shimizu, A, Nakano, H, Ohshima, S, Iguchi, H, Matsuoka, K, Okamura, S, Minami, T, Yoshimura, Y, Nagaoka, K, Ida, K, Toi, K, Takahashi, C, Kojima, M, Nishimura, S, Isobe, M, Suzuki, C, Akiyama, T, Ido, T, Nagashima, Y, Itoh, SI, and Diamond, PH
- Subjects
Fluids & Plasmas ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Astronomical and Space Sciences ,Classical Physics ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics - Abstract
The experimental studies on zonal flows and turbulence have been carried out in Compact Helical System [K. Matsuoka, S. Kubo, M. Hosokawa, in Plasma Physics and Controlled Nuclear Fusion Research, Proc. 12th Int. Conf., Nice, 1988 (International Atomic Energy Agency, Vienna, 1989, Vol. 2, p. 411] using twin heavy ion beam probes. The paper presents the experimental observations of stationary zonal flow, nonlinear couplings between zonal flow and turbulence, and the role of zonal flow in the improved confinement, together with the recent discovery of zonal magnetic field. The presented experimental results strongly support the new paradigm that the plasma transport should be considered as a system of drift wave and zonal flows, and provides the first direct evidence for turbulence dynamo that the structured magnetic field can be really generated by turbulence. © 2008 American Institute of Physics.
- Published
- 2008
22. Coexistence of zonal flows and drift-waves in a cylindrical magnetized plasma
- Author
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Nagashima, Y, Itoh, SI, Shinohara, S, Fukao, M, Fujisawa, A, Terasaka, K, Kawai, Y, Kasuya, N, Tynan, GR, Diamond, PH, Yagi, M, Inagaki, S, Yamada, T, and Itoh, K
- Subjects
turbulence ,drift-wave ,zonal flow ,linear magnetized plasma ,envelope analysis ,bispectral analysis ,General Physics ,Mathematical Sciences ,Physical Sciences - Abstract
Spatiotemporal structures of fluctuations with frequencies lower than the ion cyclotron frequency in a cylindrical magnetized plasma are investigated. Drift-wave and low-frequency zonal flow coexist. Electrostatic potentials of the zonal flow and the drift-wave are distributed widely in radius. The radial wave number profile of the zonal flow has a shear structure at the radial location where the drift-wave has a maximal normalized fluctuation amplitude. On the other hand, the radial wave number profile of the drift-wave shows vortex tilting, resulting in the generation of stationary turbulence Reynolds stress gradient per mass density. The envelope and bispectral analyses indicate significant nonlinear interactions between the zonal flow and the drift-wave. ©2008 The Physical Society of Japan.
- Published
- 2008
23. Experimental progress on zonal flow physics in toroidal plasmas
- Author
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Fujisawa, A, Ido, T, Shimizu, A, Okamura, S, Matsuoka, K, Iguchi, H, Hamada, Y, Nakano, H, Ohshima, S, Itoh, K, Hoshino, K, Shinohara, K, Miura, Y, Nagashima, Y, Itoh, S-I, Shats, M, Xia, H, Dong, JQ, Yan, LW, Zhao, KJ, Conway, GD, Stroth, U, Melnikov, AV, Eliseev, LG, Lysenko, SE, Perfilov, SV, Hidalgo, C, Tynan, GR, Holland, C, Diamond, PH, McKee, GR, Fonck, RJ, Gupta, DK, and Schoch, PM
- Subjects
Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Fluids & Plasmas - Abstract
The present status of experiments on zonal flows in magnetic confinement experiments is examined. The innovative use of traditional and modern diagnostics has revealed unambiguously the existence of zonal flows, their spatio-temporal characteristics, their relationship to turbulence and their effects on confinement. In particular, a number of observations have been accumulated on the oscillatory branch of zonal flows, named geodesic acoustic modes, suggesting the necessity for theories to give their proper description. In addition to these basic properties of zonal flows, several new methods have elucidated the processes of zonal flow generation from turbulence. Further investigation of the relationship between zonal flows and confinement is strongly encouraged as cross-device activity including low temperature, toroidal and linear devices. © 2007 IAEA.
- Published
- 2007
24. Experimental Evidence of a Zonal Magnetic Field in a Toroidal Plasma
- Author
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Fujisawa, A, Itoh, K, Shimizu, A, Nakano, H, Ohshima, S, Iguchi, H, Matsuoka, K, Okamura, S, Minami, T, Yoshimura, Y, Nagaoka, K, Ida, K, Toi, K, Takahashi, C, Kojima, M, Nishimura, S, Isobe, M, Suzuki, C, Akiyama, T, Nagashima, Y, Itoh, S-I, and Diamond, PH
- Subjects
Mathematical Sciences ,Physical Sciences ,Engineering ,General Physics - Abstract
A zonal magnetic field is found in a toroidal plasma. The magnetic field has a symmetric bandlike structure, which is uniform in the toroidal and poloidal directions and varies radially with a finite wavelength of mesoscale, which is analogous to zonal flows. A time-dependent bicoherence analysis reveals that the magnetic field should be generated by the background plasma turbulence. The discovery is classified as a new kind of phenomenon of structured magnetic field generation, giving insight into phenomena such as dipole field generation in rotational planets.
- Published
- 2007
25. On Imaging of Plasma Turbulence
- Author
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ITOH, K, FUJISAWA, A, NAGASHIMA, Y, ITOH, S-I, YAGI, M, DIAMOND, PH, FUKUYAMA, A, and HALLATSCHEK, K
- Subjects
Astronomical and Space Sciences ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics - Published
- 2007
26. Physics of zonal flowsa)
- Author
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Itoh, K, Itoh, S-I, Diamond, PH, Hahm, TS, Fujisawa, A, Tynan, GR, Yagi, M, and Nagashima, Y
- Subjects
Astronomical and Space Sciences ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Classical Physics ,Fluids & Plasmas - Abstract
Zonal flows, which means azimuthally symmetric band-like shear flows, are ubiquitous phenomena in nature and the laboratory. It is now widely recognized that zonal flows are a key constituent in virtually all cases and regimes of drift wave turbulence, indeed, so much so that this classic problem is now frequently referred to as "drift wave-zonal flow turbulence." In this review, new viewpoints and unifying concepts are presented, which facilitate understanding of zonal flow physics, via theory, computation and their confrontation with the results of laboratory experiment. Special emphasis is placed on identifying avenues for further progress. © 2006 American Institute of Physics.
- Published
- 2006
27. On the bicoherence analysis of plasma turbulence
- Author
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Itoh, K, Nagashima, Y, Itoh, SI, Diamond, PH, Fujisawa, A, Yagi, M, and Fukuyama, A
- Subjects
Fluids & Plasmas ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics ,Astronomical and Space Sciences ,Classical Physics ,Atomic ,Molecular ,Nuclear ,Particle and Plasma Physics - Abstract
The bicoherence of fluctuations in a system of drift waves and zonal flows is discussed. In strong drift-wave turbulence, where broadband fluctuations are excited, the bicoherence is examined. A Langevin equation formalism of turbulent interactions allows us to relate the bicoherence coefficient to the projection of nonlinear force onto the test mode. The dependence of the summed bicoherence on the amplitude of zonal flows is clarified. The importance of observing biphase is also stressed. The results provide a basis for measurement of nonlinear interaction in a system of drift waves and zonal flow. © 2005 American Institute of Physics.
- Published
- 2005
28. AB1690 SERUM PEPTIDES AS CANDIDATE BIOMARKERS FOR RELAPSING POLYCHONDRITIS
- Author
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Kurokawa, M., primary, Sato, T., additional, Sato, M., additional, Nagai, K., additional, Fukasawa, M., additional, Nagashima, Y., additional, Uchida, T., additional, Tsutiya, A., additional, Omoteyama, K., additional, Arito, M., additional, Takakuwa, Y., additional, Ooka, S., additional, Suematsu, N., additional, Kawahata, K., additional, Yamano, Y., additional, and Kato, T., additional
- Published
- 2023
- Full Text
- View/download PDF
29. Spectroscopic measurement of increases in hydrogen molecular rotational temperature with plasma-facing surface temperature and due to collisional-radiative processes in tokamaks
- Author
-
Yoneda, N., Shikama, T., Scotti, F., Hanada, K., Iguchi, H., Idei, H., Onchi, T., Ejiri, A., Ido, T., Kono, K., Peng, Y., Osawa, Y., Yatomi, G., Kidani, A., Kudo, M., Hiraka, R., Takeda, K., Bell, R.E., Maan, A., Boyle, D.P., Majeski, R., Soukhanovskii, V.A., Groth, M., McLean, A.G., Wilcox, R.S., Lasnier, C., Nakamura, K., Nagashima, Y., Ikezoe, R., Hasegawa, M., Kuroda, K., Higashijima, A., Nagata, T., Shimabukuro, S., Niiya, I., Sekiya, I., Hasuo, M., Yoneda, N., Shikama, T., Scotti, F., Hanada, K., Iguchi, H., Idei, H., Onchi, T., Ejiri, A., Ido, T., Kono, K., Peng, Y., Osawa, Y., Yatomi, G., Kidani, A., Kudo, M., Hiraka, R., Takeda, K., Bell, R.E., Maan, A., Boyle, D.P., Majeski, R., Soukhanovskii, V.A., Groth, M., McLean, A.G., Wilcox, R.S., Lasnier, C., Nakamura, K., Nagashima, Y., Ikezoe, R., Hasegawa, M., Kuroda, K., Higashijima, A., Nagata, T., Shimabukuro, S., Niiya, I., Sekiya, I., and Hasuo, M.
- Published
- 2023
30. Analysis of plasma equilibrium based on orbit-driven current density profile in steady-state plasma on QUEST
- Author
-
Nakamura, K., Alam, M.M., Jiang, Y.Z., Mitarai, O., Kurihara, K., Kawamata, Y., Sueoka, M., Takechi, M., Hasegawa, M., Tokunaga, K., Araki, K., Zushi, H., Hanada, K., Fujisawa, A., Idei, H., Nagashima, Y., Kawasaki, S., Nakashima, H., Higashijima, A., Nagata, T., and Fukuyama, A.
- Published
- 2016
- Full Text
- View/download PDF
31. Hydrogen flux measurements with permeation probes in spherical tokamak QUEST
- Author
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Kuzmin, A., Zushi, H., Takagi, I., Sharma, S.K., Hirooka, Y., Kobayashi, M., Sakamoto, M., Hanada, K., Onchi, T., Oyama, Y., Youshida, N., Nakamura, K., Fujisawa, A., Idei, H., Nagashima, Y., Hasegawa, M., and Mishra, K.
- Published
- 2016
- Full Text
- View/download PDF
32. Results from One Thousand Days of Real-Time, Directional Solar-Neutrino Data
- Author
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Hirata, K. S., primary, Inoue, K., additional, Kajita, T., additional, Kifune, T., additional, Kihara, K., additional, Nakahata, M., additional, Nakamura, K., additional, Ohara, S., additional, Sato, N., additional, Suzuki, Y., additional, Totsuka, Y., additional, Yaginuma, Y., additional, Mori, M., additional, Oyama, Y., additional, Suzuki, A., additional, Takahashi, K., additional, Yamada, M., additional, Koshiba, M., additional, Suda, T., additional, Tajima, T., additional, Miyano, K., additional, Miyata, H., additional, Takei, H., additional, Fukuda, Y., additional, Kodera, E., additional, Nagashima, Y., additional, Takita, M., additional, Kaneyuki, K., additional, Tanimori, T., additional, Bcicr, E. W., additional, Feldscher, L. R., additional, Frank, E. D., additional, Frati, W., additional, Kim, S. B., additional, Mann, A. K., additional, Newcomer, F. M., additional, Berg, R. Van, additional, and Zhang, W., additional
- Published
- 2018
- Full Text
- View/download PDF
33. Global gas balance and influence of atomic hydrogen irradiation on the wall inventory in steady-state operation of QUEST tokamak
- Author
-
Kuzmin, A., Zushi, H., Takagi, I., Sharma, S.K., Rusinov, A., Inoue, Y., Hirooka, Y., Zhou, H., Kobayashi, M., Sakamoto, M., Hanada, K., Yoshida, N., Nakamura, K., Fujisawa, A., Matsuoka, K., Idei, H., Nagashima, Y., Hasegawa, M., Onchi, T., Banerjee, S., and Mishra, K.
- Published
- 2015
- Full Text
- View/download PDF
34. Particle balance in long duration RF driven plasmas on QUEST
- Author
-
Hanada, K., Zushi, H., Yoshida, N., Yugami, N., Honda, T., Hasegawa, M., Mishra, K., Kuzmin, A., Nakamura, K., Fujisawa, A., Idei, H., Nagashima, Y., Watanabe, O., Onchi, T., Watanabe, H., Tokunaga, K., Higashijima, A., Kawasaki, S., Nakashima, H., Takase, Y., Fukuyama, A., Mitarai, O., and Peng, Y.K.M.
- Published
- 2015
- Full Text
- View/download PDF
35. Observation of heat flux and plasma flow in scrape off layer in QUEST
- Author
-
Onchi, T., Mahira, Y., Nagaoka, K., Tashima, S., Banerjee, S., Mishra, K., Idei, H., Hanada, K., Nakamura, K., Fujisawa, A., Nagashima, Y., Hasegawa, M., Matsuoka, K., Kuzmin, A., Watanabe, O., Kawasaki, S., Nakashima, H., and Higashijima, A.
- Published
- 2015
- Full Text
- View/download PDF
36. Profiles of a positronium beam produced using the photodetachment of positronium negative ions
- Author
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Michishio, K., Suzuki, R.H., Wada, K., Mochizuki, I., Hyodo, T., Yagishita, A., and Nagashima, Y.
- Published
- 2015
- Full Text
- View/download PDF
37. Modal polarization analysis using Fourier-rectangular function transform in a cylindrical plasma.
- Author
-
Nishimura, D., Fujisawa, A., Nagashima, Y., Moon, C., Yamasaki, K., Kobayashi, T.-K., Inagaki, S., Yamada, T., Kawachi, Y., Kasuya, N., Kosuga, Y., and Sasaki, M.
- Subjects
CYLINDRICAL plasmas ,MODAL analysis ,PLASMA dynamics - Abstract
Fourier-rectangular function (FRF) transform [K. Yamasaki et al., J. Appl. Phys. 126, 043304 (2019)] is used to analyze the structure and dynamics of plasma with cylindrical symmetry. In this article, a new technique based on FRF transform is proposed to elucidate the polarization characteristics of azimuthal modes and fluctuations. The application results are shown for a two-dimensional tomography image of linear cylindrical plasma. The method successfully resolves the polarization characteristics of azimuthal modes and attributes the intermittent behavior of the m = 1 mode to its polarization characteristics. [ABSTRACT FROM AUTHOR]
- Published
- 2021
- Full Text
- View/download PDF
38. Conceptual design of a heavy ion beam probe for the QUEST spherical tokamak
- Author
-
Ido, T., primary, Hasegawa, M., additional, Ikezoe, R., additional, Onchi, T., additional, Hanada, K., additional, Idei, H., additional, Kuroda, K., additional, and Nagashima, Y., additional
- Published
- 2022
- Full Text
- View/download PDF
39. The impact of right atrium and left atrium reverse remodeling for functional regurgitation of atrioventricular valve among patients who were underwent ablation for atrial fibrillation
- Author
-
Nemoto, N, primary, Samejima, Y, additional, Takenaka, H, additional, Yaguchi, T, additional, Kameda, Y, additional, Shimizu, T, additional, Sahara, N, additional, Nagashima, Y, additional, and Anzai, H, additional
- Published
- 2022
- Full Text
- View/download PDF
40. Optical properties in Ag+-doped phosphate glass irradiated with X-rays and α-particles
- Author
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Miyamoto, Y., Ohno, T., Takei, Y., Nanto, H., Kurobori, T., Yanagida, T., Yoshikawa, A., Nagashima, Y., and Yamamoto, T.
- Published
- 2013
- Full Text
- View/download PDF
41. Positronium-atom/Molecule interactions: Momentum-Transfer Cross Sections and Z eff
- Author
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Nagashima, Y., Saito, F., Shinohara, N., Hyodo, T., Surko, Clifford M., editor, and Gianturco, Franco A., editor
- Published
- 2001
- Full Text
- View/download PDF
42. Intense Radioisotope Sources for Spin Polarized Positron Beams
- Author
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Saito, F., Hyodo, T., Nagashima, Y., Kurihara, T., Suzuki, N., Itoh, Y., Goto, A., Surko, Clifford M., editor, and Gianturco, Franco A., editor
- Published
- 2001
- Full Text
- View/download PDF
43. The ASACUSA CUSP: an antihydrogen experiment
- Author
-
Kuroda, N., Ulmer, S., Murtagh, D. J., Van Gorp, S., Nagata, Y., Diermaier, M., Federmann, S., Leali, M., Malbrunot, C., Mascagna, V., Massiczek, O., Michishio, K., Mizutani, T., Mohri, A., Nagahama, H., Ohtsuka, M., Radics, B., Sakurai, S., Sauerzopf, C., Suzuki, K., Tajima, M., Torii, H. A., Venturelli, L., Wünschek, B., Zmeskal, J., Zurlo, N., Higaki, H., Kanai, Y., Rizzini, E. Lodi, Nagashima, Y., Matsuda, Y., Widmann, E., and Yamazaki, Y.
- Published
- 2015
- Full Text
- View/download PDF
44. The GBAR antimatter gravity experiment
- Author
-
Pérez, P., Banerjee, D., Biraben, F., Brook-Roberge, D., Charlton, M., Cladé, P., Comini, P., Crivelli, P., Dalkarov, O., Debu, P., Douillet, A., Dufour, G., Dupré, P., Eriksson, S., Froelich, P., Grandemange, P., Guellati, S., Guérout, R., Heinrich, J. M., Hervieux, P.-A., Hilico, L., Husson, A., Indelicato, P., Jonsell, S., Karr, J.-P., Khabarova, K., Kolachevsky, N., Kuroda, N., Lambrecht, A., Leite, A. M. M., Liszkay, L., Lunney, D., Madsen, N., Manfredi, G., Mansoulié, B., Matsuda, Y., Mohri, A., Mortensen, T., Nagashima, Y., Nesvizhevsky, V., Nez, F., Regenfus, C., Rey, J.-M., Reymond, J.-M., Reynaud, S., Rubbia, A., Sacquin, Y., Schmidt-Kaler, F., Sillitoe, N., Staszczak, M., Szabo-Foster, C. I., Torii, H., Vallage, B., Valdes, M., Van der Werf, D. P., Voronin, A., Walz, J., Wolf, S., Wronka, S., and Yamazaki, Y.
- Published
- 2015
- Full Text
- View/download PDF
45. K-shell ionization of Cu by positron impact
- Author
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Mukoyama, T., Nagashima, Y., and Tőkési, K.
- Published
- 2012
- Full Text
- View/download PDF
46. Fourier-rectangular function analysis for cylindrical plasma images.
- Author
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Yamasaki, K., Fujisawa, A., Nagashima, Y., Moon, C., Inagaki, S., Kasuya, N., Kosuga, Y., Sasaki, M., and Yamada, T.
- Subjects
CYLINDRICAL plasmas ,RADIAL basis functions ,GEOMETRIC tomography ,FOURIER series ,IMAGING systems - Abstract
An analysis method is developed for imaging measurement systems, such as the tomography system or fast camera imaging, in order to extract the spatial structure properties of fluctuation. In this analysis method, rectangular functions and Fourier series are adopted for the basis functions of the radial and azimuthal coordinates, respectively. The examples of this analysis method show that this method is useful for quantifying the spatial structure of the 2D image such as the radial profile of the power and the rotation angle of each azimuthal mode. The method proposed in this article allows us to elucidate the features of the 2D spatial structure of phenomena in magnetized plasma. [ABSTRACT FROM AUTHOR]
- Published
- 2019
- Full Text
- View/download PDF
47. Behavioral Changes After Cerebral Infarction in the Rat: Long-Term Spatial Cognitive Impairment and Cerebral Acetylcholine Levels
- Author
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Tamura, A., Nagashima, H., Hirakawa, M., Narita, K., Nagashima, Y., Nakayama, H., Yonemori, F., Okada, M., Fujiwara, M., Sano, K., Ito, Umeo, editor, Kirino, Takaaki, editor, Kuroiwa, Toshihiko, editor, and Klatzo, Igor, editor
- Published
- 1997
- Full Text
- View/download PDF
48. Radiophotoluminescence from silver-doped phosphate glass
- Author
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Miyamoto, Y., Takei, Y., Nanto, H., Kurobori, T., Konnai, A., Yanagida, T., Yoshikawa, A., Shimotsuma, Y., Sakakura, M., Miura, K., Hirao, K., Nagashima, Y., and Yamamoto, T.
- Published
- 2011
- Full Text
- View/download PDF
49. The Gbar project, or how does antimatter fall?
- Author
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Indelicato, Paul, Chardin, G., Grandemange, P., Lunney, D., Manea, V., Badertscher, A., Crivelli, P., Curioni, A., Marchionni, A., Rossi, B., Rubbia, A., Nesvizhevsky, V., Brook-Roberge, D., Comini, P., Debu, P., Dupré, P., Liszkay, L., Mansoulié, B., Pérez, P., Rey, J.-M., Reymond, B., Ruiz, N., Sacquin, Y., Vallage, B., Biraben, F., Cladé, P., Douillet, A., Dufour, G., Guellati, S., Hilico, L., Lambrecht, A., Guérout, R., Karr, J.-P., Nez, F., Reynaud, S., Szabo, C. I., Tran, V.-Q., Trapateau, J., Mohri, A., Yamazaki, Y., Charlton, M., Eriksson, S., Madsen, N., van der Werf, D.P., Kuroda, N., Torii, H., Nagashima, Y., Schmidt-Kaler, F., Walz, J., Wolf, S., Hervieux, P.-A., Manfredi, G., Voronin, A., Froelich, P., Wronka, S., and Staszczak, M.
- Published
- 2014
- Full Text
- View/download PDF
50. Towards a spin polarized antihydrogen beam
- Author
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Kuroda, N., Ulmer, S., Murtagh, D. J., Van Gorp, S., Nagata, Y., Diermaier, M., Federmann, S., Leali, M., Malbrunot, C., Mascagna, V., Massiczek, O., Michishio, K., Mizutani, T., Mohri, A., Nagahama, H., Ohtsuka, M., Radics, B., Sakurai, S., Sauerzopf, C., Suzuki, K., Tajima, M., Torii, H. A., Venturelli, L., Wünschek, B., Zmeskal, J., Zurlo, N., Higaki, H., Kanai, Y., Lodi-Rizzini, E., Nagashima, Y., Matsuda, Y., Widmann, E., and Yamazaki, Y.
- Published
- 2014
- Full Text
- View/download PDF
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