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.
- J.D. Weberski, M.W. Bongard, S.J. Diem, R.J. Fonck, J.A. Goetz, M.D. Nornberg, J.A. Reusch, C.E. Schaefer, and A.C. Sontag
Effects of Injected Current Streams on MHD Equilibrium Reconstruction of Local Helicity Injection Plasmas in a Spherical Tokamak
Accepted for publication in the Journal of Fusion Energy
DOI:
Public Data Set DOI: 10.18138/2205354
Free Publicly Available Full Text: - J.A. Reusch, M.W. Aslin, M.W. Bongard, S.J. Diem, J.A. Goetz, M.D. Nornberg, A.S. Rajendra, S. Redd, C. Rodriguez Sanchez, R.K. Sassella, A.C. Sontag, J.D. Weberski, and G.R. Winz
A Magnetic Diagnostic Suite for the Pegasus-III Experiment
Review of Scientific Instruments 95, 093518 (2024)
DOI: 10.1063/5.0219341
Public Data Set DOI: 10.18138/2349303
Free Publicly Accessible Full Text: Published Open Access - C. Rodriguez Sanchez, M.W. Bongard, S.J. Diem, J.A. Goetz, M.D. Nornberg, J.A. Reusch, T.N. Tierney, and A.C. Sontag
Implementation of an Impurity Diagnostic Suite on the Pegasus-III Experiment
Review of Scientific Instruments 95, 083525 (2024)
DOI: 10.1063/5.0219339
Public Data Set DOI: 10.18138/2349324
Free Publicly Accessible Full Text: Published Open Access - A.C. Sontag, M.W. Bongard, M.T. Borchardt, S.J. Diem, R.J. Fonck, A.K. Keyhani, B.A. Kujak–Ford, B.T. Lewicki, M.D. Nornberg, A.C. Palmer, C. Pierren, J.A. Reusch, A.T. Rhodes, N.J. Richner, C. Rodriguez Sanchez, C.E. Schaefer, J.D. Weberski, and G.R. Winz
The New Pegasus-III Experiment
IEEE Transactions on Plasma Science 50, 4009 (2022)
DOI: 10.1109/TPS.2022.3184626
Public Data Set DOI: 10.18138/1834562
Free Publicly Accessible Full Text: Published Open Access - J.A. Reusch, R. Raman, M.W. Bongard, S.J. Diem, R.J. Fonck, B.T. Lewicki, A.C. Palmer, A.C. Sontag, J.D. Weberski, and G.R. Winz
A Coaxial Helicity Injection System for Non-Solenoidal Startup Studies on the Pegasus-III Experiment
IEEE Transactions on Plasma Science 50, 4015 (2022)
DOI: 10.1109/TPS.2022.3171510
Public Data Set DOI: 10.18138/1834599
Free Publicly Accessible Full Text: Published Open Access - M.W. Bongard, M.T. Borchardt, S.J. Diem, R.J. Fonck, J.A. Goetz, A.K. Keyhani, B.A. Kujak-Ford, B.T. Lewicki, M.D. Nornberg, J.K. Peery, C. Pierren, J.A. Reusch, N.J. Richner, C.E. Schaefer, A.C. Sontag, and J.D. Weberski
Digital Control and Power Systems for the Pegasus-III Experiment
IEEE Transactions on Plasma Science 50, 4021 (2022)
DOI: 10.1109/TPS.2022.3165694
Public Data Set DOI: 10.18138/1834594
Free Publicly Accessible Full Text: Published Open Access - N.J. Richner, G.M. Bodner, M.W. Bongard, R.J. Fonck, M.D. Nornberg, and J.A. Reusch
Magnetic Turbulence and Current Drive During Local Helicity Injection
Physical Review Letters 128, 105001 (2022)
DOI: 10.1103/PhysRevLett.128.105001
Public Data Set DOI: 10.18138/1785967
Free Publicly Accessible Full Text: Published Open Access - G.M. Bodner, M.W. Bongard, R.J. Fonck, J.A. Goetz, M.D. Nornberg, C. Pierren, J.A. Reusch, A.T. Rhodes, N.J. Richner, C. Rodriguez Sanchez, C.E. Schaefer, and J.D. Weberski
Initial Characterization of Electron Temperature and Density Profiles in PEGASUS Spherical Tokamak Discharges Driven Solely by Local Helicity Injection
Physics of Plasmas 28, 102504 (2021) (Editor’s Pick)
DOI: 10.1063/5.0054974
Public Data Set DOI: 10.18138/1648523
Free Publicly Accessible Full Text: Published Open Access - M.W. Bongard, J.L. Barr, R.J. Fonck, J.A. Reusch, and K.E. Thome
Erratum: “On Virial Analysis at Low Aspect Ratio” [Phys. Plasmas 23, 072508 (2016)]
Physics of Plasmas 28, 089903 (2021)
DOI: 10.1063/5.0065075
Public Data Set DOI: 10.18138/1240359
Free Publicly Accessible Full Text: Accepted Manuscript (DOE) - 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) (Cover Article)
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