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A Code that Simulates Fast-Ion <em>D</em>_Alpha and Neutral Particle Measurements

A Code that Simulates Fast-Ion <em>D</em>_Alpha and Neutral Particle Measurements
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Year:    2011

Communications in Computational Physics, Vol. 10 (2011), Iss. 3 : pp. 716–741

Abstract

A code that models signals produced by charge-exchange reactions between fast ions and injected neutral beams in tokamak plasmas is described. With the fastion distribution function as input, the code predicts the efflux to a neutral particle analyzer (NPA) diagnostic and the photon radiance of Balmer-alpha light to a fastion Dα (FIDA) diagnostic. Reactions with both the primary injected neutrals and with the cloud of secondary "halo" neutrals that surround the beam are treated. Accurate calculation of the fraction of neutrals that occupy excited atomic states (the collisional-radiative transition equations) is an important element of the code. Comparison with TRANSP output and other tests verify the solutions. Judicious selection of grid size and other parameters facilitate efficient solutions. The output of the code has been validated by FIDA measurements on DIII-D but further tests are warranted.

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Journal Article Details

Publisher Name:    Global Science Press

Language:    English

DOI:    https://doi.org/10.4208/cicp.190810.080211a

Communications in Computational Physics, Vol. 10 (2011), Iss. 3 : pp. 716–741

Published online:    2011-01

AMS Subject Headings:    Global Science Press

Copyright:    COPYRIGHT: © Global Science Press

Pages:    26

Keywords:   

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  41. Dual view FIDA measurements on MAST

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    https://doi.org/10.1088/1748-0221/12/10/C10013 [Citations: 11]

  47. Fast-ion transport induced by Alfvén eigenmodes in the ASDEX Upgrade tokamak

    Garcia-Munoz, M. | Classen, I.G.J. | Geiger, B. | Heidbrink, W.W. | Van Zeeland, M.A. | Äkäslompolo, S. | Bilato, R. | Bobkov, V. | Brambilla, M. | Conway, G.D. | Graça, S. da | Igochine, V. | Lauber, Ph. | Luhmann, N. | Maraschek, M. | Meo, F. | Park, H. | Schneller, M. | Tardini, G.

    Nuclear Fusion, Vol. 51 (2011), Iss. 10 P.103013

    https://doi.org/10.1088/0029-5515/51/10/103013 [Citations: 56]

  48. Visualization of fast ion phase-space flow in plasmas well-below, near and well-above Alfvén eigenmode stability threshold in tokamak

    Du, X.D. | Heidbrink, W.W. | Van Zeeland, M.A. | Gonzalez-Martin, J. | Austin, M.E. | Yan, Z. | McKee, G.R.

    Nuclear Fusion, Vol. 63 (2023), Iss. 4 P.046020

    https://doi.org/10.1088/1741-4326/acbec5 [Citations: 4]

  49. Active fast ion charge exchange measurements using a neutral particle analyzer and multiple beam species in C-2W

    Kamio, S. | Granstedt, E. M. | Clary, R. | Player, G. | Korepanov, S.

    Review of Scientific Instruments, Vol. 93 (2022), Iss. 10

    https://doi.org/10.1063/5.0101598 [Citations: 1]

  50. Initial measurements of the DIII-D off-axis neutral beams

    Heidbrink, W.W. | Zeeland, M.A. Van | Grierson, B.A. | Muscatello, C.M. | Park, J.M. | Petty, C.C. | Prater, R. | Zhu, Y.B.

    Nuclear Fusion, Vol. 52 (2012), Iss. 9 P.094005

    https://doi.org/10.1088/0029-5515/52/9/094005 [Citations: 17]

  51. Deuterium temperature, drift velocity, and density measurements in non-Maxwellian plasmas at ASDEX Upgrade

    Salewski, M. | Geiger, B. | Jacobsen, A.S. | Abramovic, I. | Korsholm, S.B. | Leipold, F. | Madsen, B. | Madsen, J. | McDermott, R.M. | Moseev, D. | Nielsen, S.K. | Nocente, M. | Rasmussen, J. | Stejner, M. | Weiland, M.

    Nuclear Fusion, Vol. 58 (2018), Iss. 3 P.036017

    https://doi.org/10.1088/1741-4326/aaa6e1 [Citations: 20]

  52. An edge fast-ion D-alpha system installed at ASDEX Upgrade

    Jansen van Vuuren, A. | Geiger, B. | Jacobsen, A. S. | Cavedon, M. | Dux, R. | Köhnlein, H.

    Review of Scientific Instruments, Vol. 90 (2019), Iss. 10

    https://doi.org/10.1063/1.5121588 [Citations: 10]

  53. Fast-ion Dα spectroscopy diagnostic at KSTAR

    Yoo, J. W. | Kim, J. | Lee, M. W. | Kang, J. | Ko, W.–H. | Oh, S. G. | Ko, J. | Lee, J. H. | Nam, Y. U. | Jung, L. | Park, B. H. | Yoon, S. W.

    Review of Scientific Instruments, Vol. 92 (2021), Iss. 4

    https://doi.org/10.1063/5.0040559 [Citations: 8]

  54. Phase-space dependent critical gradient behavior of fast-ion transport due to Alfvén eigenmodes

    Collins, C.S. | Heidbrink, W.W. | Podestà, M. | White, R.B. | Kramer, G.J. | Pace, D.C. | Petty, C.C. | Stagner, L. | Van Zeeland, M.A. | Zhu, Y.B.

    Nuclear Fusion, Vol. 57 (2017), Iss. 8 P.086005

    https://doi.org/10.1088/1741-4326/aa720c [Citations: 34]

  55. Design and simulation of an imaging neutral particle analyzer for the ASDEX Upgrade tokamak

    Rueda-Rueda, J. | García-Muñoz, M. | Viezzer, E. | Schneider, P. A. | García-Domínguez, J. | Ayllon-Guerola, J. | Galdón-Quiroga, J. | Herrmann, A. | Du, X. D. | Van Zeeland, M. A. | Oyola, P. | Rodriguez-Ramos, M.

    Review of Scientific Instruments, Vol. 92 (2021), Iss. 4 P.043554

    https://doi.org/10.1063/5.0043768 [Citations: 10]

  56. Modulation of prompt fast-ion loss by appliedn= 2 fields in the DIII-D tokamak

    Van Zeeland, M A | Ferraro, N M | Heidbrink, W W | Kramer, G J | Pace, D C | Chen, X | Evans, T E | Fisher, R K | García-Muñoz, M | Hanson, J M | Lanctot, M J | Lao, L L | Moyer, R A | Nazikian, R | Orlov, D M

    Plasma Physics and Controlled Fusion, Vol. 56 (2014), Iss. 1 P.015009

    https://doi.org/10.1088/0741-3335/56/1/015009 [Citations: 38]

  57. Design and first measurements of the fast-ion D-alpha diagnostic at the HL-2A tokamak

    Hou, Y. M. | Zhou, H. Y. | Chen, W. | Hao, B. L. | Liu, Y. | Shi, Z. B. | Zhang, Y. P. | Duan, X. R.

    Review of Scientific Instruments, Vol. 94 (2023), Iss. 3

    https://doi.org/10.1063/5.0099281 [Citations: 0]

  58. Measurements of radial profile of hydrogen and deuterium density in isotope mixture plasmas using bulk charge exchange spectroscopy

    Ida, K. | Yoshinuma, M. | Yamasaki, K. | Kobayashi, T. | Fujiwara, Y. | Chen, J. | Murakami, I. | Satake, S. | Yamamoto, Y. | Murakami, S. | Kobayashi, M.

    Review of Scientific Instruments, Vol. 90 (2019), Iss. 9

    https://doi.org/10.1063/1.5097030 [Citations: 12]

  59. Implementation of a 3D halo neutral model in the TRANSP code and application to projected NSTX-U plasmas

    Medley, S S | Liu, D | Gorelenkova, M V | Heidbrink, W W | Stagner, L

    Plasma Physics and Controlled Fusion, Vol. 58 (2016), Iss. 2 P.025007

    https://doi.org/10.1088/0741-3335/58/2/025007 [Citations: 6]

  60. Enhanced localized energetic ion losses resulting from first-orbit linear and non-linear interactions with Alfvén eigenmodes in DIII-D

    Chen, X. | Heidbrink, W. W. | Kramer, G. J. | Van Zeeland, M. A. | Pace, D. C. | Petty, C. C. | Fisher, R. K. | Nazikian, R. | Zeng, L. | Austin, M. E. | Grierson, B. A. | Podesta, M.

    Physics of Plasmas, Vol. 21 (2014), Iss. 8

    https://doi.org/10.1063/1.4891442 [Citations: 0]

  61. Comparison of effective rate coefficients for high energy charge-exchange with measurements of the Rydberg series of Ar16+at the tokamak TEXTOR

    Schlummer, T | Marchuk, O | Schultz, D R | Bertschinger, G | Biel, W | Reiter, D | TEXTOR-Team, the

    Journal of Physics B: Atomic, Molecular and Optical Physics, Vol. 48 (2015), Iss. 14 P.144033

    https://doi.org/10.1088/0953-4075/48/14/144033 [Citations: 11]

  62. Quantification of the impact of large and small-scale instabilities on the fast-ion confinement in ASDEX Upgrade

    Geiger, B | Weiland, M | Mlynek, A | Reich, M | Bock, A | Dunne, M | Dux, R | Fable, E | Fischer, R | Garcia-Munoz, M | Hobirk, J | Hopf, C | Nielsen, S | Odstrcil, T | Rapson, C | Rittich, D | Ryter, F | Salewski, M | Schneider, P A | Tardini, G | Willensdorfer, M

    Plasma Physics and Controlled Fusion, Vol. 57 (2015), Iss. 1 P.014018

    https://doi.org/10.1088/0741-3335/57/1/014018 [Citations: 16]

  63. Feasibility study of fast-ion velocity-space tomography in KSTAR via phantom tests

    Han, Jiyun | Kim, Junghee | Kim, Minho | Lee, Myungwon | Kang, Jisung | Yoo, Jeongwon | Sung, Choongki

    Fusion Engineering and Design, Vol. 207 (2024), Iss. P.114639

    https://doi.org/10.1016/j.fusengdes.2024.114639 [Citations: 0]

  64. Doppler tomography in fusion plasmas and astrophysics

    Salewski, M | Geiger, B | Heidbrink, W W | Jacobsen, A S | Korsholm, S B | Leipold, F | Madsen, J | Moseev, D | Nielsen, S K | Rasmussen, J | Stagner, L | Steeghs, D | Stejner, M | Tardini, G | Weiland, M

    Plasma Physics and Controlled Fusion, Vol. 57 (2015), Iss. 1 P.014021

    https://doi.org/10.1088/0741-3335/57/1/014021 [Citations: 17]

  65. Performance of the first neutral beam injector at the Wendelstein 7-X stellarator

    Spanier, Annabelle | Hartmann, Dirk | Äkäslompolo, Simppa | Ford, Oliver | den Harder, Niek | Heinemann, Bernd | Hopf, Christian | Kairys, Roland | McNeely, Paul | Poloskei, Peter Zs. | Riedl, Rudolf | Romba, Thilo | Rong, Peter | Rust, Norbert | Schroeder, Ralf | Wolf, Robert C.

    Fusion Engineering and Design, Vol. 163 (2021), Iss. P.112115

    https://doi.org/10.1016/j.fusengdes.2020.112115 [Citations: 13]

  66. Development and verification of a novel scintillator-based, imaging neutral particle analyzer in DIII-D tokamak

    Du, X.D. | Van Zeeland, M.A. | Heidbrink, W.W. | Su, D.

    Nuclear Fusion, Vol. 58 (2018), Iss. 8 P.082006

    https://doi.org/10.1088/1741-4326/aac3a2 [Citations: 23]

  67. Fast forward modeling of neutral beam injection and halo formation including full Balmer-α emission prediction at W7-X

    Bannmann, S. | Ford, O. | Hoefel, U. | Poloskei, P. | Pavone, A. | Kwak, S. | Svensson, J. | Lazerson, S. | McNeely, P. | Rust, N. | Hartmann, D. | Pasch, E. | Fuchert, G. | Wolf, R.C. | the W7-X-Team, the

    Journal of Instrumentation, Vol. 18 (2023), Iss. 10 P.P10029

    https://doi.org/10.1088/1748-0221/18/10/P10029 [Citations: 7]

  68. Determination of neutral beam energy fractions from collisional radiative measurements on DIII-D

    Thomas, D. M. | Grierson, B. A. | Muñoz Burgos, J. M. | Van Zeeland, M. A.

    Review of Scientific Instruments, Vol. 83 (2012), Iss. 10

    https://doi.org/10.1063/1.4733614 [Citations: 6]

  69. Sawtooth control using electron cyclotron current drive in ITER demonstration plasmas in DIII-D

    Chapman, I.T. | La Haye, R.J. | Buttery, R.J. | Heidbrink, W.W. | Jackson, G.L. | Muscatello, C.M. | Petty, C.C. | Pinsker, R.I. | Tobias, B.J. | Turco, F.

    Nuclear Fusion, Vol. 52 (2012), Iss. 6 P.063006

    https://doi.org/10.1088/0029-5515/52/6/063006 [Citations: 26]

  70. Phase-space resolved measurement of 2nd harmonic ion cyclotron heating using FIDA tomography at the ASDEX Upgrade tokamak

    Weiland, M. | Bilato, R. | Geiger, B. | Schneider, P.A. | Tardini, G. | Garcia-Muñoz, M. | Ryter, F. | Salewski, M. | Zohm, H.

    Nuclear Fusion, Vol. 57 (2017), Iss. 11 P.116058

    https://doi.org/10.1088/1741-4326/aa7e0a [Citations: 44]

  71. Hot Ion Mode in the Globus-M2 Spherical Tokamak

    Kurskiev, G. S. | Sakharov, N. V. | Gusev, V. K. | Minaev, V. B. | Miroshnikov, I. V. | Petrov, Yu. V. | Telnova, A. Yu. | Bakharev, N. N. | Kiselev, E. O. | Zhiltsov, N. S. | Shchegolev, P. B. | Balachenkov, I. M. | Varfolomeev, V. I. | Voronin, A. V. | Goryainov, V. Yu. | Dyachenko, V. V. | Zhilin, E. G. | Iliasova, M. V. | Kavin, A. A. | Konovalov, A. N. | Krikunov, S. V. | Lobanov, K. M. | Melnik, A. D. | Mineev, A. B. | Novokhatsky, A. N. | Patrov, M. I. | Petrov, A. V. | Ponomarenko, A. M. | Skrekel’, O. M. | Solovei, V. A. | Solokha, V. V. | Tkachenko, E. E. | Tokarev, V. A. | Tolstyakov, S. Yu. | Tukhmeneva, E. A. | Khilkevitch, E. M. | Khromov, N. A. | Chernyshev, F. V. | Shevelev, A. E. | Shulyat’ev, K. D. | Yashin, A. Yu.

    Plasma Physics Reports, Vol. 49 (2023), Iss. 4 P.403

    https://doi.org/10.1134/S1063780X23600214 [Citations: 11]

  72. Radially resolved active charge exchange measurements of the hydrogenic isotope fraction on DIII-D

    Haskey, S. R. | Stagner, L. | Grierson, B. A. | Chrystal, C. | DeGrandchamp, G. H. | Heidbrink, W. W. | Van Zeeland, M. A. | Vincena, S.

    Review of Scientific Instruments, Vol. 92 (2021), Iss. 4

    https://doi.org/10.1063/5.0043836 [Citations: 6]

  73. Synergy between fast-ion transport by core MHD and test blanket module fields in DIII-D experiments

    Heidbrink, W.W. | Austin, M.E. | Collins, C.S. | Gray, T. | Grierson, B.A. | Kramer, G.J. | Lanctot, M. | Pace, D.C. | Van Zeeland, M.A. | Mclean, A.G.

    Nuclear Fusion, Vol. 55 (2015), Iss. 8 P.083023

    https://doi.org/10.1088/0029-5515/55/8/083023 [Citations: 6]

  74. In-out charge exchange measurements and 3D modelling of diagnostic thermal neutrals to study edge poloidal impurity asymmetries

    Cruz-Zabala, D J | Viezzer, E | Plank, U | McDermott, R M | Cavedon, M | Fable, E | Dux, R | Cano-Megias, P | Pütterich, T | van Vuuren, A Jansen | Garcia-Munoz, M | Garcia Lopez, J

    Plasma Physics and Controlled Fusion, Vol. 64 (2022), Iss. 4 P.045021

    https://doi.org/10.1088/1361-6587/ac5917 [Citations: 4]

  75. Measurement and simulation of passive fast-ion D-alpha emission from the DIII-D tokamak

    Bolte, Nathan G. | Heidbrink, William W. | Pace, David | Van Zeeland, Michael | Chen, Xi

    Nuclear Fusion, Vol. 56 (2016), Iss. 11 P.112023

    https://doi.org/10.1088/0029-5515/56/11/112023 [Citations: 11]

  76. Commissioning of the imaging neutral particle analyser for the ASDEX Upgrade tokamak

    Rueda-Rueda, J | Garcia-Munoz, M | Viezzer, E | Schneider, P A | Garcia-Dominguez, J | Oyola, P | Galdon-Quiroga, J | Hidalgo-Salaverri, J | Du, X | Van Zeeland, M A | Videla-Trevin, M | van Vuuren, A Jansen

    Plasma Physics and Controlled Fusion, Vol. 66 (2024), Iss. 3 P.035008

    https://doi.org/10.1088/1361-6587/ad1ec1 [Citations: 5]

  77. Orbit modeling of fast particle redistribution induced by sawtooth instability

    Kim, D. | Podestà, M. | Liu, D. | Poli, F.M.

    Nuclear Fusion, Vol. 58 (2018), Iss. 8 P.082029

    https://doi.org/10.1088/1741-4326/aac10f [Citations: 11]

  78. Characterization of correlations of fast-ion H-alpha measurement volumes in Wendelstein 7-X by particle tracking

    Mencke, Jacob Emil | Moseev, Dmitry | Salewski, Mirko | Larsen, Mads Rud | Schmidt, Bo Simmendefeldt | Järleblad, Henrik | Lazerson, Samuel | Poloskei, Peter Zsolt | Ford, Oliver

    Review of Scientific Instruments, Vol. 93 (2022), Iss. 12

    https://doi.org/10.1063/5.0128594 [Citations: 3]

  79. Impurity transport studies at the HSX stellarator using active and passive CVI spectroscopy

    Swee, C | Geiger, B | Dux, R | Kumar, S T A | Castillo, J F | Bader, A | Gerard, M

    Plasma Physics and Controlled Fusion, Vol. 64 (2022), Iss. 1 P.015008

    https://doi.org/10.1088/1361-6587/ac3965 [Citations: 9]

  80. Validation of fast-ion D-alpha spectrum measurements during EAST neutral-beam heated plasmas

    Huang, J. | Heidbrink, W. W. | von Hellermann, M. G. | Stagner, L. | Wu, C. R. | Hou, Y. M. | Chang, J. F. | Ding, S. Y. | Chen, Y. J. | Zhu, Y. B. | Jin, Z. | Xu, Z. | Gao, W. | Wang, J. F. | Lyu, B. | Zang, Q. | Zhong, G. Q. | Hu, L. | Wan, B.

    Review of Scientific Instruments, Vol. 87 (2016), Iss. 11

    https://doi.org/10.1063/1.4960308 [Citations: 9]

  81. Comparing simulated and experimental spectral line splitting in visible spectroscopy diagnostics in the HL-2A tokamak

    WU, Jing | DU, Yongqin | CHEN, Peng | ZHOU, Hangyu | HOU, Yumei | YAO, Lieming

    Plasma Science and Technology, Vol. 25 (2023), Iss. 2 P.025104

    https://doi.org/10.1088/2058-6272/ac910d [Citations: 0]

  82. Velocity-space tomography using prior information at MAST

    Madsen, B. | Salewski, M. | Huang, J. | Jacobsen, A. S. | Jones, O. | McClements, K. G.

    Review of Scientific Instruments, Vol. 89 (2018), Iss. 10

    https://doi.org/10.1063/1.5035498 [Citations: 23]

  83. Understanding helium transport: experimental and theoretical investigations of low-Z impurity transport at ASDEX Upgrade

    Kappatou, A. | McDermott, R.M. | Angioni, C. | Manas, P. | Pütterich, T. | Dux, R. | Viezzer, E. | Jaspers, R.J.E. | Fischer, R. | Dunne, M.G. | Cavedon, M. | Willensdorfer, M. | Tardini, G.

    Nuclear Fusion, Vol. 59 (2019), Iss. 5 P.056014

    https://doi.org/10.1088/1741-4326/ab013a [Citations: 21]

  84. Tomography of the positive-pitch fast-ion velocity distribution in DIII-D plasmas with Alfvén eigenmodes and neoclassical tearing modes

    Madsen, B. | Salewski, M. | Heidbrink, W.W. | Stagner, L. | Podestà, M. | Lin, D. | Garcia, A.V. | Hansen, P.C. | Huang, J.

    Nuclear Fusion, Vol. 60 (2020), Iss. 6 P.066024

    https://doi.org/10.1088/1741-4326/ab82b5 [Citations: 23]

  85. Investigation of a transient energetic charge exchange flux enhancement (‘spike-on-tail’) observed in neutral-beam-heated H-mode discharges in the National Spherical Torus Experiment

    Medley, S.S. | Kolesnichenko, Ya.I. | Yakovenko, Yu.V. | Bell, R.E. | Bortolon, A. | Crocker, N.A. | Darrow, D.S. | Diallo, A. | Domier, C.W. | Fonck, R.J. | Fredrickson, E.D. | Gerhardt, S.P. | Gorelenkov, N.N. | Kramer, G.J. | Kubota, S. | LeBlanc, B.P. | Lee, K.C. | Mazzucato, E. | McKee, G.R. | Podestà, M. | Ren, Y. | Roquemore, A.L. | Smith, D.R. | Stutman, D. | Tritz, K. | White, R.B.

    Nuclear Fusion, Vol. 52 (2012), Iss. 1 P.013014

    https://doi.org/10.1088/0029-5515/52/1/013014 [Citations: 6]

  86. Feasibility study for an edge main ion charge exchange recombination spectroscopy system at ASDEX Upgrade

    Cano-Megias, P. | Viezzer, E. | Vuuren, A. Jansen van | Cavedon, M. | Cruz-Zabala, D.J. | Dux, R. | Geiger, B. | Garcia-Munoz, M. | Chacartegui, R.

    Journal of Instrumentation, Vol. 14 (2019), Iss. 10 P.C10040

    https://doi.org/10.1088/1748-0221/14/10/C10040 [Citations: 3]

  87. Calibration techniques for fast-ion Dα diagnostics

    Heidbrink, W. W. | Bortolon, A. | Muscatello, C. M. | Ruskov, E. | Grierson, B. A. | Podestá, M.

    Review of Scientific Instruments, Vol. 83 (2012), Iss. 10

    https://doi.org/10.1063/1.4732060 [Citations: 5]

  88. Validation of gyrokinetic modelling of light impurity transport including rotation in ASDEX Upgrade

    Casson, F.J. | McDermott, R.M. | Angioni, C. | Camenen, Y. | Dux, R. | Fable, E. | Fischer, R. | Geiger, B. | Manas, P. | Menchero, L. | Tardini, G.

    Nuclear Fusion, Vol. 53 (2013), Iss. 6 P.063026

    https://doi.org/10.1088/0029-5515/53/6/063026 [Citations: 51]

  89. Fast ion transport during applied 3D magnetic perturbations on DIII-D

    Van Zeeland, M.A. | Ferraro, N.M. | Grierson, B.A. | Heidbrink, W.W. | Kramer, G.J. | Lasnier, C.J. | Pace, D.C. | Allen, S.L. | Chen, X. | Evans, T.E. | García-Muñoz, M. | Hanson, J.M. | Lanctot, M.J. | Lao, L.L. | Meyer, W.H. | Moyer, R.A. | Nazikian, R. | Orlov, D.M. | Paz-Soldan, C. | Wingen, A.

    Nuclear Fusion, Vol. 55 (2015), Iss. 7 P.073028

    https://doi.org/10.1088/0029-5515/55/7/073028 [Citations: 45]

  90. Energetic ion transport by microturbulence is insignificant in tokamaks

    Pace, D. C. | Austin, M. E. | Bass, E. M. | Budny, R. V. | Heidbrink, W. W. | Hillesheim, J. C. | Holcomb, C. T. | Gorelenkova, M. | Grierson, B. A. | McCune, D. C. | McKee, G. R. | Muscatello, C. M. | Park, J. M. | Petty, C. C. | Rhodes, T. L. | Staebler, G. M. | Suzuki, T. | Van Zeeland, M. A. | Waltz, R. E. | Wang, G. | White, A. E. | Yan, Z. | Yuan, X. | Zhu, Y. B.

    Physics of Plasmas, Vol. 20 (2013), Iss. 5

    https://doi.org/10.1063/1.4803930 [Citations: 36]

  91. Active spectroscopy measurements of the deuterium temperature, rotation, and density from the core to scrape off layer on the DIII-D tokamak (invited)

    Haskey, S. R. | Grierson, B. A. | Stagner, L. | Chrystal, C. | Ashourvan, A. | Bortolon, A. | Boyer, M. D. | Burrell, K. H. | Collins, C. | Groebner, R. J. | Kaplan, D. H. | Pablant, N. A.

    Review of Scientific Instruments, Vol. 89 (2018), Iss. 10

    https://doi.org/10.1063/1.5038349 [Citations: 38]

  92. Validating the ASCOT modelling of NBI fast ions in Wendelstein 7-X stellarator

    Äkäslompolo, S. | Drewelow, P. | Gao, Y. | Ali, A. | Biedermann, C. | Bozhenkov, S. | Dhard, C.P. | Endler, M. | Fellinger, J. | Ford, O.P. | Geiger, B. | Geiger, J. | Harder, N. den | Hartmann, D. | Hathiramani, D. | Isobe, M. | Jakubowski, M. | Kazakov, Y. | Killer, C. | Lazerson, S. | Mayer, M. | McNeely, P. | Naujoks, D. | Neelis, T.W.C. | Kontula, J. | Kurki-Suonio, T. | Niemann, H. | Ogawa, K. | Pisano, F. | Poloskei, P.Zs. | Sitjes, A. Puig | Rahbarnia, K. | Rust, N. | Schmitt, J.C. | Sleczka, M. | Vano, L. | Vuuren, A. van | Wurden, G. | Wolf, R.C.

    Journal of Instrumentation, Vol. 14 (2019), Iss. 10 P.C10012

    https://doi.org/10.1088/1748-0221/14/10/C10012 [Citations: 14]

  93. Main ion and impurity edge profile evolution across the L- to H-mode transition on DIII-D

    Haskey, S R | Grierson, B A | Chrystal, C | Ashourvan, A | Burrell, K H | Groebner, R J | Belli, E A | Stagner, L | Battaglia, D J | Stoltzfus-Dueck, T | Bortolon, A

    Plasma Physics and Controlled Fusion, Vol. 60 (2018), Iss. 10 P.105001

    https://doi.org/10.1088/1361-6587/aad702 [Citations: 40]

  94. Fast-ion transport and neutral beam current drive in ASDEX upgrade

    Geiger, B. | Weiland, M. | Jacobsen, A.S. | Rittich, D. | Dux, R. | Fischer, R. | Hopf, C. | Maraschek, M. | McDermott, R.M. | Nielsen, S.K. | Odstrcil, T. | Reich, M. | Ryter, F. | Salewski, M. | Schneider, P.A. | Tardini, G.

    Nuclear Fusion, Vol. 55 (2015), Iss. 8 P.083001

    https://doi.org/10.1088/0029-5515/55/8/083001 [Citations: 40]

  95. Velocity-space sensitivity and tomography of scintillator-based fast-ion loss detectors

    Galdon-Quiroga, J | Garcia-Munoz, M | Salewski, M | Jacobsen, A S | Sanchis-Sanchez, L | Rodriguez-Ramos, M | Ayllon-Guerola, J | Garcia-Lopez, J | Gonzalez-Martin, J | Jimenez-Ramos, M C | Rivero-Rodriguez, J F | Viezzer, E

    Plasma Physics and Controlled Fusion, Vol. 60 (2018), Iss. 10 P.105005

    https://doi.org/10.1088/1361-6587/aad76e [Citations: 41]

  96. The imaging fast ion D-alpha diagnostic (IFIDA) on DIII-D

    Marini, C. | Collins, C. S. | Van Zeeland, M. A. | Thome, K. E. | Heidbrink, W. W. | Lin, D.

    Review of Scientific Instruments, Vol. 92 (2021), Iss. 3

    https://doi.org/10.1063/5.0041652 [Citations: 2]

  97. Velocity-space studies of fast-ion transport at a sawtooth crash in neutral-beam heated plasmas

    Muscatello, C M | Heidbrink, W W | Kolesnichenko, Ya I | Lutsenko, V V | Van Zeeland, M A | Yakovenko, Yu V

    Plasma Physics and Controlled Fusion, Vol. 54 (2012), Iss. 2 P.025006

    https://doi.org/10.1088/0741-3335/54/2/025006 [Citations: 41]

  98. A description of the full-particle-orbit-following SPIRAL code for simulating fast-ion experiments in tokamaks

    Kramer, G J | Budny, R V | Bortolon, A | Fredrickson, E D | Fu, G Y | Heidbrink, W W | Nazikian, R | Valeo, E | Van Zeeland, M A

    Plasma Physics and Controlled Fusion, Vol. 55 (2013), Iss. 2 P.025013

    https://doi.org/10.1088/0741-3335/55/2/025013 [Citations: 67]

  99. Fast-ion transport by Alfvén eigenmodes above a critical gradient threshold

    Heidbrink, W. W. | Collins, C. S. | Podestà, M. | Kramer, G. J. | Pace, D. C. | Petty, C. C. | Stagner, L. | Van Zeeland, M. A. | White, R. B. | Zhu, Y. B.

    Physics of Plasmas, Vol. 24 (2017), Iss. 5

    https://doi.org/10.1063/1.4977535 [Citations: 44]

  100. Design, characterization, and modeling of the Charge eXchange Recombination Spectroscopy (CXRS) suite at the SMall Aspect Ratio Tokamak (SMART)

    Cruz-Zabala, D. J. | Viezzer, E. | Rodriguez-Gonzalez, A. | Segado-Fernandez, J. | Alvarado-Reyes, A. | Perez-Gonzalez, J. | Garcia-Munoz, M. | Dux, R.

    Review of Scientific Instruments, Vol. 95 (2024), Iss. 7

    https://doi.org/10.1063/5.0219437 [Citations: 0]

  101. Diagnosis of fast ions produced by negative-ion neutral-beam injection with fast-ion deuterium-alpha spectroscopy

    Muscatello, C. M. | Heidbrink, W. W. | Boivin, R. L. | Chrystal, C. | Collins, C. S. | Fujiwara, Y. | Yamaguchi, H.

    Review of Scientific Instruments, Vol. 90 (2019), Iss. 7

    https://doi.org/10.1063/1.5099491 [Citations: 6]

  102. Measurement of a 2D fast-ion velocity distribution function by tomographic inversion of fast-ion D-alpha spectra

    Salewski, M. | Geiger, B. | Jacobsen, A.S. | García-Muñoz, M. | Heidbrink, W.W. | Korsholm, S.B. | Leipold, F. | Madsen, J. | Moseev, D. | Nielsen, S.K. | Rasmussen, J. | Stejner, M. | Tardini, G. | Weiland, M.

    Nuclear Fusion, Vol. 54 (2014), Iss. 2 P.023005

    https://doi.org/10.1088/0029-5515/54/2/023005 [Citations: 67]

  103. First fast-ion D-alpha (FIDA) measurements and simulations on C-2U

    Bolte, N. G. | Gupta, D. | Stagner, L. | Onofri, M. | Dettrick, S. | Granstedt, E. M. | Petrov, P.

    Review of Scientific Instruments, Vol. 87 (2016), Iss. 11

    https://doi.org/10.1063/1.4960540 [Citations: 4]

  104. Interpretation of fast-ion signals during beam modulation experiments

    Heidbrink, W.W. | Collins, C.S. | Stagner, L. | Zhu, Y.B. | Petty, C.C. | Van Zeeland, M.A.

    Nuclear Fusion, Vol. 56 (2016), Iss. 11 P.112011

    https://doi.org/10.1088/0029-5515/56/11/112011 [Citations: 6]

  105. Experimental characterization of the active and passive fast-ion H-alpha emission in W7-X using FIDASIM

    Poloskei, Peter Zs. | Geiger, B. | Jansen van Vuuren, A. | Äkäslompolo, S. | Ford, O.P. | Spanier, A. | Neelis, T.W.C. | McNeely, P. | Hartmann, D.

    Nuclear Fusion, Vol. 64 (2024), Iss. 2 P.026008

    https://doi.org/10.1088/1741-4326/ad0dd4 [Citations: 6]

  106. Active spectroscopic measurements of the bulk deuterium properties in the DIII-D tokamak (invited)

    Grierson, B. A. | Burrell, K. H. | Chrystal, C. | Groebner, R. J. | Kaplan, D. H. | Heidbrink, W. W. | Muñoz Burgos, J. M. | Pablant, N. A. | Solomon, W. M. | Van Zeeland, M. A.

    Review of Scientific Instruments, Vol. 83 (2012), Iss. 10

    https://doi.org/10.1063/1.4739239 [Citations: 67]

  107. Режим с горячими ионами в сферическом токамаке Глобус-М2

    Курскиев, Г. С. | Сахаров, Н. В. | Гусев, В. К. | Минаев, В. Б. | Мирошников, И. В. | Петров, Ю. В | Тельнова, А. Ю. | Бахарев, Н. Н. | Киселев, Е. О. | Жильцов, Н. С. | Щеголев, П. Б. | Балаченков, И. М. | Варфоломеев, В. И. | Воронин, А. В. | Горяинов, В. Ю. | Дьяченко, В. В. | Жилин, Е. Г. | Ильясова, М. В. | Кавин, А. А. | Коновалов, А. Н. | Крикунов, С. В. | Лобанов, К. М. | Мельник, А. Д. | Минеев, А. Б. | Новохацкий, А. Н. | Патров, М. И. | Петров, А. В. | Пономаренко, А. М. | Скрекель, О. М. | Соловей, В. А. | Солоха, В. В. | Ткаченко, Е. Е. | Токарев, В. А. | Толстяков, С. Ю. | Тюхменева, Е. А. | Хилькевич, Е. М | Хромов, Н. А. | Чернышев, Ф. В. | Шевелев, А. Е. | Шулятьев, К. Д. | Яшин, А. Ю.

    Физика плазмы, Vol. 49 (2023), Iss. 4 P.305

    https://doi.org/10.31857/S0367292122601497 [Citations: 3]

  108. Development of a reduced model for energetic particle transport by sawteeth in tokamaks

    Podestà, M | Gorelenkova, M | Gorelenkov, N N | White, R B | Bonofiglo, P J | Poli, F M | Teplukhina, A | Yang, J | Cecconello, M | Vallar, M

    Plasma Physics and Controlled Fusion, Vol. 64 (2022), Iss. 2 P.025002

    https://doi.org/10.1088/1361-6587/ac37fe [Citations: 8]

  109. Observation of Alfvén Eigenmodes driven by off-axis neutral beam injection in the TCV tokamak

    Geiger, B | Karpushov, A N | Lauber, P | Sharapov, S | Dreval, M | Bagnato, F | Baquero-Ruiz, M | Dal Molin, A | Duval, B P | Garcia-Munoz, M | Marini, C | Nocente, M | Sauter, O | Stipani, L | Testa, D | Vallar, M

    Plasma Physics and Controlled Fusion, Vol. 62 (2020), Iss. 9 P.095017

    https://doi.org/10.1088/1361-6587/aba19e [Citations: 13]

  110. Diagnosing fast ion redistribution due to sawtooth instabilities using fast ion deuterium-α spectroscopy in the mega amp spherical tokamak

    Jackson, A.R. | Jacobsen, A.S. | McClements, K.G. | Michael, C.A. | Cecconello, M.

    Nuclear Fusion, Vol. 60 (2020), Iss. 12 P.126035

    https://doi.org/10.1088/1741-4326/abb619 [Citations: 8]

  111. Fast-ion transport in qmin&gt;2, high-β steady-state scenarios on DIII-D

    Holcomb, C. T. | Heidbrink, W. W. | Ferron, J. R. | Van Zeeland, M. A. | Garofalo, A. M. | Solomon, W. M. | Gong, X. | Mueller, D. | Grierson, B. | Bass, E. M. | Collins, C. | Park, J. M. | Kim, K. | Luce, T. C. | Turco, F. | Pace, D. C. | Ren, Q. | Podesta, M.

    Physics of Plasmas, Vol. 22 (2015), Iss. 5

    https://doi.org/10.1063/1.4921152 [Citations: 41]

  112. Fast-ion transport in the presence of magnetic reconnection induced by sawtooth oscillations in ASDEX Upgrade

    Geiger, B. | Garcia-Munoz, M. | Dux, R. | Ryter, F. | Tardini, G. | Barrera Orte, L. | Classen, I.G.J. | Fable, E. | Fischer, R. | Igochine, V. | McDermott, R.M.

    Nuclear Fusion, Vol. 54 (2014), Iss. 2 P.022005

    https://doi.org/10.1088/0029-5515/54/2/022005 [Citations: 27]

  113. Details of the neutral energy distribution and ionization source using spectrally resolved Balmer-alpha measurements on DIII-D

    Haskey, S. R. | Grierson, B. A. | Stagner, L. | Chrystal, C. | Bortolon, A. | Laggner, F. M.

    Review of Scientific Instruments, Vol. 93 (2022), Iss. 10

    https://doi.org/10.1063/5.0101854 [Citations: 2]

  114. Influence of sawtooth oscillations on fast ions in a stellarator

    Moseev, D. | Zanini, M. | Kasahara, H. | Laqua, H.P. | Funaba, H. | Hayashi, W.H.J. | Heidbrink, W. | Ida, K. | Igami, H. | Kawamoto, Y. | Kenmochi, N. | Lazerson, S.A. | Nishiura, M. | Ochoukov, R. | Ogawa, K. | Rud, M. | Salewski, M. | Seki, T. | Tamura, N. | Tanaka, K. | Tokuzawa, T. | Yoshinuma, M.

    Nuclear Fusion, Vol. 64 (2024), Iss. 6 P.066028

    https://doi.org/10.1088/1741-4326/ad4169 [Citations: 1]

  115. OPTEMIST: A neutral beam for measuring quasi-omnigenity in Wendelstein 7-X

    Lazerson, Samuel A. | Kulla, David | McNeely, Paul | Rust, Norbert | van Ham, Lucas | Hartmann, Dirk

    Physics of Plasmas, Vol. 31 (2024), Iss. 7

    https://doi.org/10.1063/5.0218670 [Citations: 0]

  116. Consistency between real and synthetic fast-ion measurements at ASDEX Upgrade

    Rasmussen, J | Nielsen, S K | Stejner, M | Geiger, B | Salewski, M | Jacobsen, A S | Korsholm, S B | Leipold, F | Michelsen, P K | Moseev, D | Schubert, M | Stober, J | Tardini, G | Wagner, D

    Plasma Physics and Controlled Fusion, Vol. 57 (2015), Iss. 7 P.075014

    https://doi.org/10.1088/0741-3335/57/7/075014 [Citations: 21]

  117. Measurements of the deuterium ion toroidal rotation in the DIII-D tokamak and comparison to neoclassical theory

    Grierson, B. A. | Burrell, K. H. | Heidbrink, W. W. | Lanctot, M. J. | Pablant, N. A. | Solomon, W. M.

    Physics of Plasmas, Vol. 19 (2012), Iss. 5

    https://doi.org/10.1063/1.3694656 [Citations: 63]

  118. Degradation of fast-ion confinement depending on the neutral beam power in MHD quiescent LHD plasmas

    Nuga, H. | Seki, R. | Ogawa, K. | Yamaguchi, H. | Kamio, S. | Fujiwara, Y. | Kawamoto, Y. | Yoshinuma, M. | Kobayashi, T. | Takemura, Y. | Isobe, M. | Osakabe, M. | Yokoyama, M.

    Nuclear Fusion, Vol. 64 (2024), Iss. 6 P.066001

    https://doi.org/10.1088/1741-4326/ad3971 [Citations: 1]

  119. Measurement of deuterium density profiles in the H-mode steep gradient region using charge exchange recombination spectroscopy on DIII-D

    Haskey, S. R. | Grierson, B. A. | Burrell, K. H. | Chrystal, C. | Groebner, R. J. | Kaplan, D. H. | Pablant, N. A. | Stagner, L.

    Review of Scientific Instruments, Vol. 87 (2016), Iss. 11

    https://doi.org/10.1063/1.4963148 [Citations: 25]