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Confirmation of the topology of the Wendelstein 7-X magnetic field to better than 1:100,000
Authors :
Pedersen, T Otte, M Lazerson, S Helander, P Bozhenkov, S Biedermann, C Klinger, T Wolf, R Bosch, H Abramovic, I Akaslompolo, S Aleynikov, P Aleynikova, K Ali, A Alonso, A Anda, G Andreeva, T Ascasibar, E Baldzuhn, J Banduch, M Barbui, T Beidler, C Benndorf, A Beurskens, M Biel, W Birus, D Blackwell, B Blanco, E Blatzheim, M Bluhm, T Bockenhoff, D Bolgert, P Borchardt, M Bottger, L Brakel, R Brandt, C Brauer, T Braune, H Burhenn, R Buttenschon, B Bykov, V Calvo, I Cappa, A Carls, A De Carvalho, B Castejon, F Cianciosa, M Cole, M Costea, S Cseh, G Czarnecka, A Dal Molin, A De La Cal, E De La Pena, A Degenkolbe, S Dhard, C Dinklage, A Dostal, M Drevlak, M Drewelow, P Drews, P Dudek, A Durodie, F Dzikowicka, A Von Eeten, P Effenberg, F Endler, M Erckmann, V Estrada, T Fahrenkamp, N Fellinger, J Feng, Y Figacz, W Ford, O Fornal, T Frerichs, H Fuchert, G Garcia-Munoz, M Geiger, B Geiger, J Gierse, N Gogoleva, A Goncalves, B Gradic, D Grahl, M Gross, S Grote, H Grulke, O Guerard, C Haas, M Harris, J Hartfuss, H Hartmann, D Hathiramani, D Hein, B Heirnich, S Henneberg, S Hennig, C Hernandez, J Hidalgo, C Hidalgo, U Hirsch, M Hofel, U Holbe, H Holting, A Houry, M Huber, V Ionita, C Israeli, B Jablonski, S Jakubowski, M Van Vuuren, A Jenzsch, H Kaczmarczyk, J Kallmeyer, J Kamionka, U Kasahara, H Kenmochi, N Kernbichler, W Killer, C Kinna, D Kleiber, R Knauer, J Kochl, F Kocsis, G Kolesnichenko, Y Konies, A Konig, R Kornejew, P Koster, F Kramer-Flecken, A Krampitz, R Krawzyk, N Kremeyer, T Krychowiak, M Ksiazek, I Kubkowska, M Kuhner, G Kurki-Suonio, T Kurz, P Kuttler, K Kwak, S Landreman, M Langenberg, A Lapayese, F Laqua, H Laube, R Laux, M Lentz, H Lewerentz, M Liang, Y Liu, S Lobsien, J Cisquella, J Lopez-Bruna, D Lore, J Lorenz, A Lui, S Lutsenko, V Maassberg, H Maisano-Brown, J Marchuk, O Marrelli, L Marsen, S Marushchenko, N Masuzaki, S Mccarthy, K Mcneely, P Medina, F Milojevic, D Mishchenko, A Missal, B Mittelstaedt, J Mollen, A Moncada, V Monnich, T Moseev, D Nagel, M Naujoks, D Neilson, G Neubauer, O Neuner, U Ngo, T Niemann, H Nuhrenberg, C Nuhrenberg, J Ochando, M Ogawa, K Ongena, J Oosterbeek, H Pablant, N Pacella, D Pacios, L Panadero, N Pasch, E Pastor, I Pavone, A Pawelec, E Pedrosa, A Perseo, V Peterson, B Pilopp, D Pisano, F Piulatti, M Plunk, G Preynas, M Proll, J Sitjes, A Purps, F Rack, M Rahbarnia, K Riemann, J Risse, K Rong, P Rosenberger, J Rudischhauser, L Rummel, K Rummel, T Runov, A Rust, N Ryc, L Saitoh, H Satake, S Schacht, J Schmitz, O Schmuck, S Schneider, B Schneider, M Schneider, W Schrittwieser, R Schroder, M Schroder, T Schroder, R Schumacher, H Schweer, B Seki, R Sinha, P Sipilae, S Slaby, C Smith, H Sousa, J Spring, A Standley, B Stange, T Von Stechow, A Stephey, L Stoneking, M Stridde, U Suzuki, Y Svensson, J Szabolics, T Szepesi, T Thomsen, H Travere, J Traverso, P Mora, H Tsuchiya, H Tsuijmura, T Turkin, Y Valet, S Van Milligen, B Vela, L Velasco, J Vergote, M Vervier, M Viebke, H Vilbrandt, R Von Thun, C Wagner, F Wang, E Wang, N Warmer, F Wauters, T Wegener, L Wegner, T Weir, G Wendorf, J Wenzel, U Werner, A Wie, Y Wiegel, B Wilde, F Windisch, T Winkler, M Winters, V Wright, A Wurden, G Xanthopoulos, P Yamada, I Yasuhara, R Yokoyama, M Zhang, D Zilker, M Zimbal, A Zocco, A Zoletnik, S Pedersen T. S. Otte M. Lazerson S. Helander P. Bozhenkov S. Biedermann C. Klinger T. Wolf R. C. Bosch H. -S. Abramovic I. Akaslompolo S. Aleynikov P. Aleynikova K. Ali A. Alonso A. Anda G. Andreeva T. Ascasibar E. Baldzuhn J. Banduch M. Barbui T. Beidler C. Benndorf A. Beurskens M. Biel W. Birus D. Blackwell B. Blanco E. Blatzheim M. Bluhm T. Bockenhoff D. Bolgert P. Borchardt M. Bottger L. -G. Brakel R. Brandt C. Brauer T. Braune H. Burhenn R. Buttenschon B. Bykov V. Calvo I. Cappa A. Carls A. De Carvalho B. B. Castejon F. Cianciosa M. Cole M. Costea S. Cseh G. Czarnecka A. Dal Molin A. De La Cal E. De La Pena A. Degenkolbe S. Dhard C. P. Dinklage A. Dostal M. Drevlak M. Drewelow P. Drews P. Dudek A. Durodie F. Dzikowicka A. Von Eeten P. Effenberg F. Endler M. Erckmann V. Estrada T. Fahrenkamp N. Fellinger J. Feng Y. Figacz W. Ford O. Fornal T. Frerichs H. Fuchert G. Garcia-Munoz M. Geiger B. Geiger J. Gierse N. Gogoleva A. Goncalves B. Gradic D. Grahl M. Gross S. Grote H. Grulke O. Guerard C. Haas M. Harris J. Hartfuss H. -J. Hartmann D. Hathiramani D. Hein B. Heirnich S. Henneberg S. Hennig C. Hernandez J. Hidalgo C. Hidalgo U. Hirsch M. Hofel U. Holbe H. Holting A. Houry M. Huber V. Ionita C. Israeli B. Jablonski S. Jakubowski M. Van Vuuren A. J. Jenzsch H. Kaczmarczyk J. Kallmeyer J. -P. Kamionka U. Kasahara H. Kenmochi N. Kernbichler W. Killer C. Kinna D. Kleiber R. Knauer J. Kochl F. Kocsis G. Kolesnichenko Y. Konies A. Konig R. Kornejew P. Koster F. Kramer-Flecken A. Krampitz R. Krawzyk N. Kremeyer T. Krychowiak M. Ksiazek I. Kubkowska M. Kuhner G. Kurki-Suonio T. Kurz P. Kuttler K. Kwak S. Landreman M. Langenberg A. Lapayese F. Laqua H. Laqua H. -P. Laube R. Laux M. Lentz H. Lewerentz M. Liang Y. Liu S. Lobsien J. -F. Cisquella J. L. Lopez-Bruna D. Lore J. Lorenz A. Lui S. Lutsenko V. Maassberg H. Maisano-Brown J. Marchuk O. Marrelli L. Marsen S. Marushchenko N. Masuzaki S. McCarthy K. McNeely P. Medina F. Milojevic D. Mishchenko A. Missal B. Mittelstaedt J. Mollen A. Moncada V. Monnich T. Moseev D. Nagel M. Naujoks D. Neilson G. H. Neubauer O. Neuner U. Ngo T. -T. Niemann H. Nuhrenberg C. Nuhrenberg J. Ochando M. Ogawa K. Ongena J. Oosterbeek H. Pablant N. Pacella D. Pacios L. Panadero N. Pasch E. Pastor I. Pavone A. Pawelec E. Pedrosa A. Perseo V. Peterson B. Pilopp D. Pisano F. Piulatti M. E. Plunk G. Preynas M. Proll J. Sitjes A. P. Purps F. Rack M. Rahbarnia K. Riemann J. Risse K. Rong P. Rosenberger J. Rudischhauser L. Rummel K. Rummel T. Runov A. Rust N. Ryc L. Saitoh H. Satake S. Schacht J. Schmitz O. Schmuck S. Schneider B. Schneider M. Schneider W. Schrittwieser R. Schroder M. Schroder T. Schroder R. Schumacher H. W. Schweer B. Seki R. Sinha P. Sipilae S. Slaby C. Smith H. Sousa J. Spring A. Standley B. Stange T. Von Stechow A. Stephey L. Stoneking M. Stridde U. Suzuki Y. Svensson J. Szabolics T. Szepesi T. Thomsen H. Travere J. -M. Traverso P. Mora H. T. Tsuchiya H. Tsuijmura T. Turkin Y. Valet S. Van Milligen B. Vela L. Velasco J. -L. Vergote M. Vervier M. Viebke H. Vilbrandt R. Von Thun C. P. Wagner F. Wang E. Wang N. Warmer F. Wauters T. Wegener L. Wegner T. Weir G. Wendorf J. Wenzel U. Werner A. Wie Y. Wiegel B. Wilde F. Windisch T. Winkler M. Winters V. Wright A. Wurden G. Xanthopoulos P. Yamada I. Yasuhara R. Yokoyama M. Zhang D. Zilker M. Zimbal A. Zocco A. Zoletnik S. Pedersen, T Otte, M Lazerson, S Helander, P Bozhenkov, S Biedermann, C Klinger, T Wolf, R Bosch, H Abramovic, I Akaslompolo, S Aleynikov, P Aleynikova, K Ali, A Alonso, A Anda, G Andreeva, T Ascasibar, E Baldzuhn, J Banduch, M Barbui, T Beidler, C Benndorf, A Beurskens, M Biel, W Birus, D Blackwell, B Blanco, E Blatzheim, M Bluhm, T Bockenhoff, D Bolgert, P Borchardt, M Bottger, L Brakel, R Brandt, C Brauer, T Braune, H Burhenn, R Buttenschon, B Bykov, V Calvo, I Cappa, A Carls, A De Carvalho, B Castejon, F Cianciosa, M Cole, M Costea, S Cseh, G Czarnecka, A Dal Molin, A De La Cal, E De La Pena, A Degenkolbe, S Dhard, C Dinklage, A Dostal, M Drevlak, M Drewelow, P Drews, P Dudek, A Durodie, F Dzikowicka, A Von Eeten, P Effenberg, F Endler, M Erckmann, V Estrada, T Fahrenkamp, N Fellinger, J Feng, Y Figacz, W Ford, O Fornal, T Frerichs, H Fuchert, G Garcia-Munoz, M Geiger, B Geiger, J Gierse, N Gogoleva, A Goncalves, B Gradic, D Grahl, M Gross, S Grote, H Grulke, O Guerard, C Haas, M Harris, J Hartfuss, H Hartmann, D Hathiramani, D Hein, B Heirnich, S Henneberg, S Hennig, C Hernandez, J Hidalgo, C Hidalgo, U Hirsch, M Hofel, U Holbe, H Holting, A Houry, M Huber, V Ionita, C Israeli, B Jablonski, S Jakubowski, M Van Vuuren, A Jenzsch, H Kaczmarczyk, J Kallmeyer, J Kamionka, U Kasahara, H Kenmochi, N Kernbichler, W Killer, C Kinna, D Kleiber, R Knauer, J Kochl, F Kocsis, G Kolesnichenko, Y Konies, A Konig, R Kornejew, P Koster, F Kramer-Flecken, A Krampitz, R Krawzyk, N Kremeyer, T Krychowiak, M Ksiazek, I Kubkowska, M Kuhner, G Kurki-Suonio, T Kurz, P Kuttler, K Kwak, S Landreman, M Langenberg, A Lapayese, F Laqua, H Laube, R Laux, M Lentz, H Lewerentz, M Liang, Y Liu, S Lobsien, J Cisquella, J Lopez-Bruna, D Lore, J Lorenz, A Lui, S Lutsenko, V Maassberg, H Maisano-Brown, J Marchuk, O Marrelli, L Marsen, S Marushchenko, N Masuzaki, S Mccarthy, K Mcneely, P Medina, F Milojevic, D Mishchenko, A Missal, B Mittelstaedt, J Mollen, A Moncada, V Monnich, T Moseev, D Nagel, M Naujoks, D Neilson, G Neubauer, O Neuner, U Ngo, T Niemann, H Nuhrenberg, C Nuhrenberg, J Ochando, M Ogawa, K Ongena, J Oosterbeek, H Pablant, N Pacella, D Pacios, L Panadero, N Pasch, E Pastor, I Pavone, A Pawelec, E Pedrosa, A Perseo, V Peterson, B Pilopp, D Pisano, F Piulatti, M Plunk, G Preynas, M Proll, J Sitjes, A Purps, F Rack, M Rahbarnia, K Riemann, J Risse, K Rong, P Rosenberger, J Rudischhauser, L Rummel, K Rummel, T Runov, A Rust, N Ryc, L Saitoh, H Satake, S Schacht, J Schmitz, O Schmuck, S Schneider, B Schneider, M Schneider, W Schrittwieser, R Schroder, M Schroder, T Schroder, R Schumacher, H Schweer, B Seki, R Sinha, P Sipilae, S Slaby, C Smith, H Sousa, J Spring, A Standley, B Stange, T Von Stechow, A Stephey, L Stoneking, M Stridde, U Suzuki, Y Svensson, J Szabolics, T Szepesi, T Thomsen, H Travere, J Traverso, P Mora, H Tsuchiya, H Tsuijmura, T Turkin, Y Valet, S Van Milligen, B Vela, L Velasco, J Vergote, M Vervier, M Viebke, H Vilbrandt, R Von Thun, C Wagner, F Wang, E Wang, N Warmer, F Wauters, T Wegener, L Wegner, T Weir, G Wendorf, J Wenzel, U Werner, A Wie, Y Wiegel, B Wilde, F Windisch, T Winkler, M Winters, V Wright, A Wurden, G Xanthopoulos, P Yamada, I Yasuhara, R Yokoyama, M Zhang, D Zilker, M Zimbal, A Zocco, A Zoletnik, S Pedersen T. S. Otte M. Lazerson S. Helander P. Bozhenkov S. Biedermann C. Klinger T. Wolf R. C. Bosch H. -S. Abramovic I. Akaslompolo S. Aleynikov P. Aleynikova K. Ali A. Alonso A. Anda G. Andreeva T. Ascasibar E. Baldzuhn J. Banduch M. Barbui T. Beidler C. Benndorf A. Beurskens M. Biel W. Birus D. Blackwell B. Blanco E. Blatzheim M. Bluhm T. Bockenhoff D. Bolgert P. Borchardt M. Bottger L. -G. Brakel R. Brandt C. Brauer T. Braune H. Burhenn R. Buttenschon B. Bykov V. Calvo I. Cappa A. Carls A. De Carvalho B. B. Castejon F. Cianciosa M. Cole M. Costea S. Cseh G. Czarnecka A. Dal Molin A. De La Cal E. De La Pena A. Degenkolbe S. Dhard C. P. Dinklage A. Dostal M. Drevlak M. Drewelow P. Drews P. Dudek A. Durodie F. Dzikowicka A. Von Eeten P. Effenberg F. Endler M. Erckmann V. Estrada T. Fahrenkamp N. Fellinger J. Feng Y. Figacz W. Ford O. Fornal T. Frerichs H. Fuchert G. Garcia-Munoz M. Geiger B. Geiger J. Gierse N. Gogoleva A. Goncalves B. Gradic D. Grahl M. Gross S. Grote H. Grulke O. Guerard C. Haas M. Harris J. Hartfuss H. -J. Hartmann D. Hathiramani D. Hein B. Heirnich S. Henneberg S. Hennig C. Hernandez J. Hidalgo C. Hidalgo U. Hirsch M. Hofel U. Holbe H. Holting A. Houry M. Huber V. Ionita C. Israeli B. Jablonski S. Jakubowski M. Van Vuuren A. J. Jenzsch H. Kaczmarczyk J. Kallmeyer J. -P. Kamionka U. Kasahara H. Kenmochi N. Kernbichler W. Killer C. Kinna D. Kleiber R. Knauer J. Kochl F. Kocsis G. Kolesnichenko Y. Konies A. Konig R. Kornejew P. Koster F. Kramer-Flecken A. Krampitz R. Krawzyk N. Kremeyer T. Krychowiak M. Ksiazek I. Kubkowska M. Kuhner G. Kurki-Suonio T. Kurz P. Kuttler K. Kwak S. Landreman M. Langenberg A. Lapayese F. Laqua H. Laqua H. -P. Laube R. Laux M. Lentz H. Lewerentz M. Liang Y. Liu S. Lobsien J. -F. Cisquella J. L. Lopez-Bruna D. Lore J. Lorenz A. Lui S. Lutsenko V. Maassberg H. Maisano-Brown J. Marchuk O. Marrelli L. Marsen S. Marushchenko N. Masuzaki S. McCarthy K. McNeely P. Medina F. Milojevic D. Mishchenko A. Missal B. Mittelstaedt J. Mollen A. Moncada V. Monnich T. Moseev D. Nagel M. Naujoks D. Neilson G. H. Neubauer O. Neuner U. Ngo T. -T. Niemann H. Nuhrenberg C. Nuhrenberg J. Ochando M. Ogawa K. Ongena J. Oosterbeek H. Pablant N. Pacella D. Pacios L. Panadero N. Pasch E. Pastor I. Pavone A. Pawelec E. Pedrosa A. Perseo V. Peterson B. Pilopp D. Pisano F. Piulatti M. E. Plunk G. Preynas M. Proll J. Sitjes A. P. Purps F. Rack M. Rahbarnia K. Riemann J. Risse K. Rong P. Rosenberger J. Rudischhauser L. Rummel K. Rummel T. Runov A. Rust N. Ryc L. Saitoh H. Satake S. Schacht J. Schmitz O. Schmuck S. Schneider B. Schneider M. Schneider W. Schrittwieser R. Schroder M. Schroder T. Schroder R. Schumacher H. W. Schweer B. Seki R. Sinha P. Sipilae S. Slaby C. Smith H. Sousa J. Spring A. Standley B. Stange T. Von Stechow A. Stephey L. Stoneking M. Stridde U. Suzuki Y. Svensson J. Szabolics T. Szepesi T. Thomsen H. Travere J. -M. Traverso P. Mora H. T. Tsuchiya H. Tsuijmura T. Turkin Y. Valet S. Van Milligen B. Vela L. Velasco J. -L. Vergote M. Vervier M. Viebke H. Vilbrandt R. Von Thun C. P. Wagner F. Wang E. Wang N. Warmer F. Wauters T. Wegener L. Wegner T. Weir G. Wendorf J. Wenzel U. Werner A. Wie Y. Wiegel B. Wilde F. Windisch T. Winkler M. Winters V. Wright A. Wurden G. Xanthopoulos P. Yamada I. Yasuhara R. Yokoyama M. Zhang D. Zilker M. Zimbal A. Zocco A. Zoletnik S.
Publication Year :
2016
Abstract
Fusion energy research has in the past 40 years focused primarily on the tokamak concept, but recent advances in plasma theory and computational power have led to renewed interest in stellarators. The largest and most sophisticated stellarator in the world, Wendelstein 7-X (W7-X), has just started operation, with the aim to show that the earlier weaknesses of this concept have been addressed successfully, and that the intrinsic advantages of the concept persist, also at plasma parameters approaching those of a future fusion power plant. Here we show the first physics results, obtained before plasma operation: that the carefully tailored topology of nested magnetic surfaces needed for good confinement is realized, and that the measured deviations are smaller than one part in 100,000. This is a significant step forward in stellarator research, since it shows that the complicated and delicate magnetic topology can be created and verified with the required accuracy.
Details
Database :
OAIster
Notes :
English
Publication Type :
Electronic Resource
Accession number :
edsoai.on1308930461
Document Type :
Electronic Resource