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Ions lost on their first orbit can impact Alfvén eigenmode stability

Autor: Heidbrink, WW, Fu, GY, Van Zeeland, MA

Publikováno v: Heidbrink, WW; Fu, GY; & Van Zeeland, MA. (2015). Ions lost on their first orbit can impact Alfvén eigenmode stability. Physics of Plasmas, 22(8). doi: 10.1063/1.4928436. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/6xj1b1hn

© 2015 AIP Publishing LLC. Some neutral-beam ions are deflected onto loss orbits by Alfvén eigenmodes on their first bounce orbit. The resonance condition for these ions differs from the usual resonance condition for a confined fast ion. Estimates

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An overview of recent physics results from NSTX

Autor: Kaye, SM, Abrams, T, Ahn, JW, Allain, JP, Andre, R, Andruczyk, D, Barchfeld, R, Battaglia, D, Bhattacharjee, A, Bedoya, F, Bell, RE, Belova, E, Berkery, J, Berry, L, Bertelli, N, Beiersdorfer, P, Bialek, J, Bilato, R, Boedo, J, Bonoli, P, Boozer, A, Bortolon, A, Boyer, MD, Boyle, D, Brennan, D, Breslau, J, Brooks, J, Buttery, R, Capece, A, Canik, J, Chang, CS, Crocker, N, Darrow, D, Davis, W, Delgado-Aparicio, L, Diallo, A, D'Ippolito, D, Domier, C, Ebrahimi, F, Ethier, S, Evans, T, Ferraro, N, Ferron, J, Finkenthal, M, Fonck, R, Fredrickson, E, Fu, GY, Gates, D, Gerhardt, S, Glasser, A, Gorelenkov, N, Gorelenkova, M, Goumiri, I, Gray, T, Green, D, Guttenfelder, W, Harvey, R, Hassanein, A, Heidbrink, W, Hirooka, Y, Hooper, EB, Hosea, J, Humphreys, D, Jaeger, EF, Jarboe, T, Jardin, S, Jaworski, MA, Kaita, R, Kessel, C, Kim, K, Koel, B, Kolemen, E, Kramer, G, Ku, S, Kubota, S, Lahaye, RJ, Lao, L, Leblanc, BP, Levinton, F, Liu, D, Lore, J, Lucia, M, Jr, NL, Maingi, R, Majeski, R, Mansfield, D, Maqueda, R, McKee, G, Medley, S, Meier, E, Menard, J, Mueller, D, Munsat, T, Muscatello, C, Myra, J, Nelson, B, Nichols, J, Ono, M, Osborne, T, Park, JK

Publikováno v: Kaye, SM; Abrams, T; Ahn, JW; Allain, JP; Andre, R; Andruczyk, D; et al.(2015). An overview of recent physics results from NSTX. Nuclear Fusion, 55(10). doi: 10.1088/0029-5515/55/10/104002. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/28s4q3dp

The National Spherical Torus Experiment (NSTX) is currently being upgraded to operate at twice the toroidal field and plasma current (up to 1T and 2MA), with a second, more tangentially aimed neutral beam (NB) for current and rotation control, allowi

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Excitation of Alfvn eigenmodes by low energy beam ions in the DIII-D and JET tokamaks

Autor: Nazikian, R, Gorelenkov, NN, Alper, B, Berk, HL, Borba, D, Budny, RV, Fu, GY, Heidbrink, WW, Kramer, GJ, Makowski, MA, Pinches, SD, Sharapov, SE, Solomon, WM, Strait, EJ, White, RB, Van Zeeland, MA

Publikováno v: Nazikian, R; Gorelenkov, NN; Alper, B; Berk, HL; Borba, D; Budny, RV; et al.(2008). Excitation of Alfvn eigenmodes by low energy beam ions in the DIII-D and JET tokamaks. Physics of Plasmas, 15(5). doi: 10.1063/1.2839286. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/5pr3m1hq

Core localized Alfv́n eigenmodes in DIII-D [J. L. Luxon, Nucl. Fusion 42, 614 (2002)] and Joint European Torus (JET) [P. H. Rebut and B. E. Keen, Fusion Technol. 11, 13 (1987)] plasmas are driven by deuterium neutral beam ions traveling well below t

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Study of thermonuclear Alfvén instabilities in next step burning plasma proposals

Autor: Gorelenkov, NN, Berk, HL, Budny, R, Cheng, CZ, Fu, GY, Heidbrink, WW, Kramer, GJ, Meade, D, Nazikian, R

Publikováno v: Gorelenkov, NN; Berk, HL; Budny, R; Cheng, CZ; Fu, GY; Heidbrink, WW; et al.(2003). Study of thermonuclear Alfvén instabilities in next step burning plasma proposals. Nuclear Fusion, 43(7), 594-605. doi: 10.1088/0029-5515/43/7/313. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/2zc495wh

The stability of α-particle driven shear Alfvén eigenmodes (AE) for nominal burning plasma (BP) parameters in the proposed international tokamak experimental reactor (ITER), fusion ignition research experiment (FIRE) and IGNITOR tokamaks is studied

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The toroidicity-induced Alfvén eigenmode structure in DIII-D: Implications of soft x-ray and beam-ion loss data

Autor: Carolipio, EM, Heidbrink, WW, Cheng, CZ, Chu, MS, Fu, GY, Jaun, A, Spong, DA, Turnbull, AD, White, RB

Publikováno v: Carolipio, EM; Heidbrink, WW; Cheng, CZ; Chu, MS; Fu, GY; Jaun, A; et al.(2001). The toroidicity-induced Alfvén eigenmode structure in DIII-D: Implications of soft x-ray and beam-ion loss data. Physics of Plasmas, 8(7), 3391-3401. doi: 10.1063/1.1378066. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/04v6w11g

The internal structure of the toroidicity-induced Alfvén eigenmode (TAE) is studied by comparing soft x-ray profile and beam ion loss data taken during TAE activity in the DIII-D tokamak [W. W. Heidbrink et al., Nucl. Fusion 37, 1411 (1997)] with pr

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Physics of high performance deuterium-tritium plasmas in TFTR

Autor: McGuire, KM, Barnes, CW, Batha, SH, Beer, MA, Bell, MG, Bell, RE, Belov, A, Berk, HL, Bernabei, S, Bitter, M, Breizman, BN, Bretz, NL, Budny, RV, Bush, CE, Callen, JD, Cauffman, S, Chang, CS, Chang, Z, Cheng, CZ, Cottrell, GA, Darrow, DS, Dendy, RO, Dorland, W, Duong, H, Efthimion, PC, Ernst, D, Evenson, H, Fisch, NJ, Fisher, R, Fonck, RJ, Forest, CB, Fredrickson, ED, Fu, GY, Furth, HP, Goloborod'ko, VY, Gorelenkov, NN, Grek, B, Grisham, LR, Hammett, GW, Hanson, GR, Hawryluk, RJ, Heidbrink, WW, Herrmann, HW, Herrmann, M, Hill, KW, Hogan, J, Hooper, B, Hosea, JC, Houlberg, WA, Hughes, M, Hulse, RA, Jassby, DL, Jobes, FC, Johnson, DW, Kaita, R, Kaye, SM, Kesner, J, Kim, JS, Kissick, M, Krasilnikov, AV, Kugel, HW, Kumar, A, Lam, NT, LaMarche, P, LeBlanc, B, Levinton, FM, Ludescher, C, Machuzak, J, Majeski, R, Manickam, J, Mansfield, DK, Mauel, ME, Mazzucato, E, McChesney, J, McCune, DC, McKee, G, Meade, DM, Medley, SS, Mika, R, Mikkelsen, DR, Mirnov, SV, Mueller, D, Nagayama, Y, Navratil, GA, Nazikian, R, Okabayashi, M, Owens, DK, Park, HK, Park, W, Parks, P, Paul, SF, Petrov, MP, Phillips, CK, Phillips, M, Phillips, P, Ramsey, AT, Redi, MH, Rewoldt, G, Reznik, S, Rogers, JH, Roquemore, AL, Ruskov, E, Sabbagh, SA, Sasao, M, Schilling, G, Schivell, J, Schmidt, GL, Scott, SD, Semenov, IB, Senko, T, Sesnic, S, Skinner, CH, Stevenson, T, Stodiek, W, Strachan, JD, Strait, EJ, Stratton, BC, Synakowski, EJ, Takahashi, H, Tang, WM, Taylor, G, Terry, JL, Thompson, ME, Von Goeler, S, Von Halle, A, Walters, RT, Wang, S, White, RB, Wieland, RM, Williams, M, Wilson, JR, Wong, KL, Wurden, GA, Yamada, M, Yavorski, V, Young, KM, Zakharov, LE, Zarnstorff, MC, Zweben, SJ, AGCY, INTAE

Publikováno v: McGuire, KM; Barnes, CW; Batha, SH; Beer, MA; Bell, MG; Bell, RE; et al.(1997). Physics of high performance deuterium-tritium plasmas in TFTR. FUSION ENERGY 1996, VOL 1, 19-35. UC Irvine: Retrieved from: http://www.escholarship.org/uc/item/502354rj

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