Journal Publications

Peer-reviewed publications by Pegasus researchers are listed below. Articles published after December 1, 2014 also include links to their corresponding public data sets under the Pegasus Data Management Plan, and, if available, the free, publicly accessible full text of the article.

  • M.W. Bongard, G.M. Bodner, M.G. Burke, R.J. Fonck, J.L. Pachicano, J.M. Perry, C. Pierren, J.A. Reusch, A.T. Rhodes, N.J. Richner, C. Rodriguez Sanchez, C.E. Schaefer, and J.D. Weberski
    Advancing Local Helicity Injection for Non-Solenoidal Tokamak Startup
    Nuclear Fusion 59, 076003 (2019)
    DOI: 10.1088/1741-4326/ab17e3
    Data Set DOI: 10.18138/1489772
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • N.J. Richner, M.W. Bongard, R.J. Fonck, J.A. Reusch, and C.E. Schaefer
    Radially Scanning Magnetic Probes to Study Local Helicity Injection Dynamics
    Review of Scientific Instruments 89, 10J103 (2018)
    DOI: 10.1063/1.5036527
    Data Set DOI: 10.18138/1432455
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • J.M. Perry, G.M. Bodner, M.W. Bongard, M.G. Burke, R.J. Fonck, J.L. Pachicano, C. Pierren, J.A. Reusch, A.T. Rhodes, N.J. Richner, C. Rodriguez Sanchez, C.E. Schaefer, and J.D. Weberski
    Initiation and Sustainment of Tokamak Plasmas with Local Helicity Injection as the Majority Current Drive
    Nuclear Fusion 58, 096002 (2018)
    DOI: 10.1088/1741-4326/aac72e
    Data Set DOI: 10.18138/1419641
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • J.L. Barr, M.W. Bongard, M.G. Burke, R.J. Fonck, E.T. Hinson, J.M. Perry, and J.A. Reusch
    A Power-Balance Model for Local Helicity Injection Startup in a Spherical Tokamak
    Nuclear Fusion 58, 076011 (2018)
    DOI: 10.1088/1741-4326/aac0a0
    Data Set DOI: 10.18138/1345037
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • J.A. Reusch, G.M. Bodner, M.W. Bongard, M.G. Burke, R.J. Fonck, J.L. Pachicano, J.M. Perry, C. Pierren, A.T. Rhodes, N.J. Richner, C. Rodriguez Sanchez, D.J. Schlossberg, and J.D. Weberski
    Non-inductively Driven Tokamak Plasmas at Near-Unity βt in the Pegasus Toroidal Experiment
    Physics of Plasmas 25, 056101 (2018)
    DOI: 10.1063/1.5017966
    Data Set DOI: 10.18138/1410490
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • D.J. Schlossberg, G.M. Bodner, M.W. Bongard, M.G. Burke, R.J. Fonck, J.M. Perry, and J.A. Reusch
    Noninductively Driven Tokamak Plasmas at Near-Unity Toroidal Beta
    Physical Review Letters 119, 035001 (2017)
    DOI: 10.1103/PhysRevLett.119.035001
    Data Set DOI: 10.18138/1340695
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • M.G. Burke, J.L. Barr, M.W. Bongard, R.J. Fonck, E.T. Hinson, J.M. Perry, J.A. Reusch, and D.J. Schlossberg
    Erratum: Continuous, Edge Localized Ion Heating During Non-Solenoidal Plasma Startup and Sustainment in a Low Aspect Ratio Tokamak (2017 Nucl. Fusion 076010)
    Nuclear Fusion 57, 079601 (2017)
    DOI: 10.1088/1741-4326/aa7393
    Data Set DOI: 10.18138/1336395
  • M.G. Burke, J.L. Barr, M.W. Bongard, R.J. Fonck, E.T. Hinson, J.M. Perry, J.A. Reusch, and D.J. Schlossberg
    Continuous, Edge Localized Ion Heating During Non-Solenoidal Plasma Startup and Sustainment in a Low Aspect Ratio Tokamak
    Nuclear Fusion 57, 076010 (2017)
    DOI: 10.1088/1741-4326/aa6f2b
    Data Set DOI: 10.18138/1336395
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • K.E. Thome, M.W. Bongard, J.L. Barr, G.M. Bodner, M.G. Burke, R.J. Fonck, D.M. Kriete, J.M. Perry, and D.J. Schlossberg
    H-mode Plasmas at Very Low Aspect Ratio on the Pegasus Toroidal Experiment
    Nuclear Fusion 57, 022018 (2017)
    DOI: 10.1088/0029-5515/57/2/022018
    Data Set DOI: 10.18138/1236495
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • D.J. Schlossberg, G.M. Bodner, M.W. Bongard, R.J. Fonck, J.A. Reusch, and C. Rodriguez Sanchez
    A Novel, Cost-Effective, Multi-Point Thomson Scattering System on the Pegasus Toroidal Experiment (Invited)
    Review of Scientific Instruments 87, 11E403 (2016)
    DOI: 10.1063/1.4962193
    Data Set DOI: 10.18138/1257860
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • G.M. Bodner, M.W. Bongard, R.J. Fonck, J.A. Reusch, C. Rodriguez Sanchez, and D.J. Schlossberg
    Control and Automation of the Pegasus Multi-Point Thomson Scattering System
    Review of Scientific Instruments 87, 11E523 (2016)
    DOI: 10.1063/1.4960499
    Data Set DOI: 10.18138/1257971
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • M.W. Bongard, J.L. Barr, R.J. Fonck, J.A. Reusch, and K.E. Thome
    On Virial Analysis at Low Aspect Ratio
    Physics of Plasmas 23, 072508 (2016)
    DOI: 10.1063/1.4959808
    Data Set DOI: 10.18138/1240359
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • M.G. Burke, R.J. Fonck, M.W. Bongard, D.J. Schlossberg, and G.R. Winz
    Erratum: “Multi-point, high-speed passive ion velocity distribution diagnostic on the Pegasus Toroidal Experiment” [Rev. Sci. Instrum. 83, 10D516 (2012)]
    Review of Scientific Instruments 87, 079902 (2016)
    DOI: 10.1063/1.4958821
    Data Set DOI: 10.18138/1259852
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • E.T. Hinson, J.L. Barr, M.W. Bongard, M.G. Burke, R.J. Fonck, and J.M. Perry
    Impedance of an Intense Plasma-Cathode Electron Source for Tokamak Startup
    Physics of Plasmas 23, 052515 (2016)
    DOI: 10.1063/1.4952628
    Data Set DOI: 10.18138/1235552
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • K.E. Thome, M.W. Bongard, J.L. Barr, G.M. Bodner, M.G. Burke, R.J. Fonck, D.M. Kriete, J.M. Perry, and D.J. Schlossberg
    High Confinement Mode and Edge Localized Mode Characteristics in a Near-Unity Aspect Ratio Tokamak
    Physical Review Letters 116, 175001 (2016)
    DOI: 10.1103/PhysRevLett.116.175001
    Data Set DOI: 10.18138/1209110
    Free Publicly Accessible Full Text: Accepted Manuscript (DOE)
  • M.W. Bongard, K.E. Thome, J.L. Barr, M.G. Burke, R.J. Fonck, E.T. Hinson, A.J. Redd, and D.J. Schlossberg
    Characterization of peeling modes in a low aspect ratio tokamak
    Nuclear Fusion 54, 114008 (2014)
    DOI: 10.1088/0029-5515/54/11/114008
  • D.J. Schlossberg, M.W. Bongard, R.J. Fonck, N.L. Schoenbeck, and G.R. Winz
    Progress on Thomson Scattering in the Pegasus Toroidal Experiment
    Journal of Instrumentation 8, C11019 (2013)
    DOI: 10.1088/1748-0221/8/11/C11019
  • M.G. Burke, R.J. Fonck, M.W. Bongard, D.J. Schlossberg, and G.R. Winz
    Multi-point, high-speed passive ion velocity distribution diagnostic on the Pegasus Toroidal Experiment
    Review of Scientific Instruments 83, 10D516 (2012)
    DOI: 10.1063/1.4733309
  • N.L. Schoenbeck, D.J. Schlossberg, A.S. Dowd, R.J. Fonck, and G.R. Winz
    A compact multichannel spectrometer for Thomson scattering
    Review of Scientific Instruments 83, 10E330 (2012)
    DOI: 10.1063/1.4733547
  • D.J. Schlossberg, N.L. Schoenbeck, A.S. Dowd, R.J. Fonck, J.I. Moritz, K.E. Thome, and G.R. Winz
    A Thomson scattering diagnostic on the Pegasus Toroidal experiment
    Review of Scientific Instruments 83, 10E335 (2012)
    DOI: 10.1063/1.4733560
  • A. Köhn, J. Jacquot, M.W. Bongard, S. Gallian, E.T. Hinson, and F.A. Volpe
    Full-wave modeling of the O-X mode conversion in the Pegasus Toroidal Experiment
    Physics of Plasmas 18, 082501 (2011)
    DOI: 10.1063/1.3609828
  • M.W. Bongard, R.J. Fonck, C.C. Hegna, A.J. Redd, and D.J. Schlossberg
    Measurement of Peeling Mode Edge Current Profile Dynamics
    Physical Review Letters 107, 035003 (2011)
    DOI: 10.1103/PhysRevLett.107.035003
  • D.J. Battaglia, M.W. Bongard, R.J. Fonck, and A.J. Redd
    Tokamak Startup Using Outboard Current Injection on the Pegasus Toroidal Experiment
    Nuclear Fusion 51, 073029 (2011)
    DOI: 10.1088/0029-5515/51/7/073029
  • M.W. Bongard, R.J. Fonck, B.T. Lewicki, and A.J. Redd
    A Hall Sensor Array for Internal Current Profile Constraint
    Review of Scientific Instruments 81, 10E105 (2010)
    DOI: 10.1063/1.3475539
  • D.J. Battaglia, M.W. Bongard, R.J. Fonck, A.J. Redd, and A.C. Sontag
    Tokamak Startup Using Point-Source dc Helicity Injection
    Physical Review Letters 102, 225003 (2009)
    DOI: 10.1103/PhysRevLett.102.225003
  • D.J. Battaglia, M.W. Bongard, R.J. Fonck, A.J. Redd, and A.C. Sontag
    The Formation of a Tokamak-like Plasma in Initial Experiments Using an Outboard Plasma Gun Current Source
    Journal of Fusion Energy 28, 140 (2009)
    DOI: 10.1007/s10894-008-9165-y
  • A.J. Redd, D.J. Battaglia, M.W. Bongard, R.J. Fonck, E.T. Hinson, B.A. Kujak-Ford, B.T. Lewicki, A.C. Sontag, and G.R. Winz
    Point-Source Helicity Injection Current Drive System for the Pegasus Toroidal Experiment
    Journal of Fusion Energy 28, 203 (2009)
    DOI: 10.1007/s10894-008-9183-9
  • A.C. Sontag, S.J. Diem, R.J. Fonck, G.D. Garstka, E.A. Unterberg, and T.A. Thorson
    Equilibrium properties at very low aspect ratio in the Pegasus toroidal experiment
    Nuclear Fusion 48, 095006 (2008)
    DOI: 10.1088/0029-5515/48/9/095006
  • G.D. Garstka, E.A. Unterberg, D.J. Battaglia, M.W. Bongard, N.W. Eidietis, R.J. Fonck, M.J. Frost, M.B. McGarry, A.C. Sontag, B.J. Squires, and G.R. Winz
    Attainment of High Normalized Current by Current Profile Manipulation in the Pegasus Toroidal Experiment
    Journal of Fusion Energy 27, 20 (2008)
    DOI: 10.1007/s10894-007-9094-1
  • N.W. Eidietis, R.J. Fonck, G.D. Garstka, E.A. Unterberg, and G.R. Winz
    Non-inductive Production of ST Plasmas with Washer Gun Sources on the Pegasus Toroidal Experiment
    Journal of Fusion Energy 26, 43 (2007)
    DOI: 10.1007/s10894-006-9072-z
  • E.A. Unterberg, D.J. Battaglia, M.W. Bongard, N.W. Eidietis, R.J. Fonck, M.J. Frost, G.D. Garstka, B.A. Kujak-Ford, B.T. Lewicki, B.J. Squires, and G.R. Winz
    Initial Experiments at High Normalized Current in the Pegasus Toroidal Experiment
    Journal of Fusion Energy 26, 221 (2007)
    DOI: 10.1007/s10894-006-9056-z
  • G.D. Garstka, E.A. Unterberg, S.J. Diem, N.W. Eidietis, R.J. Fonck, B.T. Lewicki, G. Taylor, D.J. Battaglia, M.W. Bongard, M.J. Frost, B.A. Kujak-Ford, B.J. Squires, and G.R. Winz
    The upgraded Pegasus Toroidal Experiment
    Nuclear Fusion 46, S603 (2006)
    DOI: 10.1088/0029-5515/46/8/S06
  • G.D. Garstka, S.J. Diem, R.J. Fonck, B.T. Lewicki, A.C. Sontag, K.L. Tritz, and E.A. Unterberg
    Performance and stability of near-unity aspect ratio plasmas in the Pegasus Toroidal Experiment
    Physics of Plasmas 10, 1705 (2003)
    DOI: 10.1063/1.1559972
  • R. Schooff, S. Diem, R. Fonck, M. Reinke, and K. Tritz
    Design and noise model for CCD-based, time-resolved PHA measurements
    Review of Scientific Instruments 74, 2007 (2003)
    DOI: 10.1063/1.1535246
  • K. Tritz, R. Fonck, M. Reinke, and G. Winz
    Tangential soft x-ray imaging for shape and current profile measurements
    Review of Scientific Instruments 74, 2161 (2003)
    DOI: 10.1063/1.1537876
  • E.A. Reinecke, R.J. Fonck, and T.A. Thorson
    Linewidth-modulated motional Stark effect measurements of internal field structure in low-field configurations
    Review of Scientific Instruments 72, 1000 (2001)
    DOI: 10.1063/1.1319605
  • K. Tritz, R. Fonck, and T. Thorson
    Application of x-ray imaging to current profile measurements in the Pegasus experiment
    Review Of Scientific Instruments 70, 595 (1999)
    DOI: 10.1063/1.1149273
  • P. Pernambuco-Wise, B.L. Lesch, H.J. Schneider-Muntau, T.P. Intrator, R.J. Fonck, and G.R. Winz
    The Wisconsin Pegasus solenoid
    Physica B 246, 350 (1998)
    DOI: 10.1016/S0921-4526(97)00932-0
  • T. Intrator, R. Fonck, G. Garstka, B. Lewicki, A. Sontag, T. Thorson, K. Tritz, C. Wilson, and G.R. Winz
    Low Aspect Ratio Tokamak Startup and Heating Using Waves in the Ion Cyclotron Range of Frequencies
    AIP Conference Proceedings 403, 293 (1997)
    DOI: 10.1063/1.53344