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2009

Plasma behaviour at high β and high density in the Madison Symmetric Torus RFP, M.D. Wyman, B.E. Chapman, J.W. Ahn, A.F. Almagri, J.K. Anderson, F. Bonomo, D.L. Brower, S.K. Combs, D. Craig, D.J. Den Hartog, B.H. Deng, W.X. Ding, F. Ebrahimi, D.A. Ennis, G. Fiksel, C.R. Foust, P. Franz, S. Gangadhara, J.A. Goetz, R. O'Connell, S.P. Oliva, S.C. Prager, J.A. Reusch, J.S. Sarff, H.D. Stephens, and T. Yates, Nucl. Fusion 49, 015003 (2009).



2008

A pulse-burst laser system for a high-repetition-rate Thomson Scattering Diagnostic, D.J. Den Hartog, N. Jiang,W.R.Lempert, Rev. Sci Instr. 79, 10E376 (2008).

Stochastic magnetic field driven charge transport and zonal flow during magnetic reconnection, W. X. Ding, D. L. Brower,  D. Craig, B.E. Chapman,  D. Ennis,  G. Fiksel,  S. Hangadhara,   ,   D. J.  Den Hartog ,  V. Mirnov,  S. C. Prager,   J.  S. Sarff, and V. Svidzinski ,  P. W. Terry, and T. Yates ., Phys. Plasmas 15, 055901 (2008).

Ion heating during reconnection in the Madison Symmetric Torus, S. Gangadhara, D. Craig, D. A. Ennis, D. J. Den Hartog, G. Fiksel, and S. C. Prager, Phys. Plasmas 15, 056121 (2008).

Probes for measuring fluctuation-induced Maxwell and Reynolds stresses in the edge of the Madison Symmetric Torus reversed field pinch, A. Kuritsyn, G. Fiksel, M.C. Miller, A.F. Almagri, M. Reyfman, and J.S. Sarff, Rev. Sci. Instr. 79, 10F127 (2008).

Optimizing a Thomson scattering diagnostic for fast dynamics and High background, R. O’Connell, D. J. Den Hartog, M. T. Borchardt, D. J. Holly, J. A. Reusch, and H. D. Stephens, Rev Sci Instr 79, 10E735 (2008).

Multipoint Thomson scattering diagnostic for the Madison Symmetric Torus reversed-field pinch, J.A. Reusch, M. T. Borchardt, D. J. Den Hartog, A. F. Falkowski, D. J. Holly,R. O’Connell, and H. D. Stephens, Rev Sci Instr 79, 10E733 (2008).

Calibration of a Thomson scattering diagnostic for fluctuation measurements, H.D. Stephens, M. T. Borchardt, D. J. Den Hartog, A. F. Falkowski, D. J. Holly, R. O'Connell, and J. A. Reusch, Rev. Sci. Instrum. 79, 10E734 (2008).

Modeling of ion heating from viscous damping of reconnection flows in the reversed field pinch, V.A. Svidinski, G. Fiksel,V.V. Mirnov and S.C. Prager, Phys. Plas. 15, 062511 (2008).

Stability analysis of plasma confinement by radio-frequency electromagnetic field in toroidal device, V.A Svidinski, , Plasma Phys. Control. Fusion 50, 085017 (2008).

High-beta , improved confinement reversed-field pinch plasmas at high density, M.D. Wyman, B. E. Chapman, J. W. Ahn, A. F. Almagri, J. K. Anderson,F. Bonomo, D. L. Brower, S. K. Combs, D. Craig, D. J. Den Hartog, B. H. Deng,W. X. Ding, F. Ebrahimi, D. A. Ennis, G. Fiksel, C. R. Foust, P. Franz,S. Gangadhara, J. A. Goetz, R. O’Connell, S. P. Oliva, S. C. Prager, J. A. Reusch,J. S. Sarff, H. D. Stephens and T. Yates, Jour. Plasmas 15, 010701 (2008).



2007

Emission intensities and line ratios from a fast neutral helium beam, J.W. Ahn, D. Craig, G. Fiksel, D. J. Den Hartog, J. K. Anderson, M. G. O’Mullane, Phys. Plasmas 14, 083301-1 (2007).

A High Throughput Spectrometer for Fast Localized Doppler Measurements, D. Craig, D.J. Den Hartog, D.A. Ennis, S. Gangadhara, D. Holly, Rev. Sci. Instrum. 78, 013103 (2007).

Recent improvements in confinement and beta in the MST reversed-field pinch, D. J. Den Hartog, J.-W. Ahn, A.F. Almagri, J.K. Anderson, A.D. Beklemishev, A.P. Blair, F. Bonomo,M.T. Borchardt, D.L. Brower, D.R. Burke, M. Cengher, B.E. Chapman, S. Choi, D.J. Clayton, W.A.Cox, S.K. Combs, D. Craig, H.D. Cummings, V.I. Davydenko, D.R. Demers, B.H. Deng, W.X. Ding,F. Ebrahimi, D.A. Ennis, G. Fiksel, C. Foust, C.B. Forest, P. Franz, L. Frassinetti, S. Gangadhara, J.A.Goetz, R.W. Harvey, D.J. Holly, B.F. Hudson, A.A. Ivanov, M.C. Kaufman, A.V. Kuritsyn, A.A.Lizunov, T.W. Lovell, R.M. Magee, L. Marrelli, P. Martin, K.J. McCollam, M.C. Miller, V.V.Mirnov,P.D. Nonn, R. O'Connell,  S.P. Oliva, P. Piovesan, S.C. Prager, I. Predebon, J.A. Reusch, J.S. Sarff,V.A. Svidzinski, T.D. Tharp, M.A. Thomas, Yu.A. Tsidulko, M.D. Wyman and T. Yates , Nucl. Fusion 47 9, L17 (2007).

On the Physics of Improved Confinement During Pulsed Poloidal Current Drive in MST Reversed-Field Pinch, V.A. Svidzinski, S.C. Prager, J Fusion Energy 26, (2007).

Plasma confinement by circularly polarized electromagnetic field in toroidal geometry, V.A. Svidzinski, , Phys. Plasmas 14, 102512-1 (2007).



2006

Coupling to the electron Bernstein wave using a phased array of waveguides in the MST reversed field pinch., M. Cengher, J.K. Anderson, V. Svidzinski, C.B. Forest, Nucl. Fusion 46, 521 (2006).

Cause of Sudden Magnetic Reconnection in a Laboratory Plasma, S. Choi, D. Craig, F. Ebrahimi, S.C. Prager, Phys. Rev. Lett. 96, 145004 (2006).

Tomographic imaging of resistive mode dynamics in the Madison Symmetric Torus reversed-field pinch, P. Franz, L. Marrelli, P. Piovesan, I. Predebon, F. Bonomo, L. Frassinetti, P. Martin, G. Spizzo, B.E. Chapman, D. Craig, and J.S. Sarff, Phys. Plasmas 13, 012510 (2006).

Local measurements of plasma ion dynamics with optical probes, A. Kuritsyn, D. Craig, G. Fiksel, M. Miller, D. Cyliner, M. Yamada, Rev. Sci. Instr. 77, 10F112 (2006).

Oscillating-Field Current-Drive Experiments in a Reversed Field Pinch, K. J McCollam, A. P. Blair, S. C. Prager, J. S. Sarff, Phys. Rev. Lett. 96, 035003 (2006).

Role of stable eigenmode in saturated local plasma turbulence, P.W. Terry, D.A. Baver and Sangeeta Gupta, Phys. Plasmas 13, 022307 (2006).



2005

Dynamo-free plasma in the reversed-field pinch: Advances in understanding the reversed-field pinch improved confinement mode, J. K. Anderson, J. Adney, A. Almagri, A. Blair, D. L. Brower, M. Cengher, B. E. Chapman, S. Choi, D. Craig, D. R. Demers, D. J. Den Hartog, B. Deng, W. X. Ding, F. Ebrahimi, D. Ennis, G. Fiksel, C. B. Forest, P. Franz, J. Goetz, R. W. Harvey, D. Holly, B. Hudson, M. Kaufman, T. Lovell, L. Marrelli, P. Martin, K. McCollam, V. V. Mirnov, P. Nonn, R. O'Connell, S. Oliva, P. Piovesan, S. C. Prager, I. Predebon, J. S. Sarff, G. Spizzo, V. Svidzinski, M. Thomas, and M. D. Wyman, Phys. Plasmas 12, 056118 (2005).

Imaging of a double helical structure in the Reversed Field Pinch, F. Bonomo, B.E. Chapman, P. Franz, L. Marrelli, P. Martin, P. Piovesan, I. Predebon, G. Spizzo, and R.B. White, IEEE Tran. Plasma Sci. 33, 458 (2005).

Observation of Weak Impact of a Stochastic Magnetic Field on Fast Ion Confinement, G. Fiksel, B. Hudson, D.J. Den Hartog, R.M. Magee, R. O'Connell, S.C. Prager, , Phys. Rev. Letters 95, 125001 (2005).

Soft x-ray pulses in the Reversed Field Pinch, L. Frassinetti, M. Gobbin, P. Piovesan, L. Marrelli, P. Martin, P. Franz, B.E. Chapman, D. Craig, and J.S. Sarff, IEEE Trans. Plasma Sci. 33, 462 (2005).

Reduced intermittency in the magnetic turbulence of Reversed Field Pinch plasmas, L. Marrelli, L. Frassinetti, P. Martin, D. Craig, and J.S. Sarff, Phys. Plasmas 12, 030701 (2005).

Overview of results in the MST reversed field pinch experiment, S. C. Prager, J. Adney, A. Almagri, J. Anderson, A. Blair, D.L. Brower, M. Cengher, B.E. Chapman, S. Choi, D. Craig, S. Combs, D.R. Demers, D.J. Den Hartog, B. Deng, W.X. Ding, F. Ebrahimi, D. Ennis, G. Fiksel, R. Fitzpatrick, C. Foust, C.B. Forest, P. Franz, L. Frassinetti, J. Goetz, D. Holly, B. Hudson, M. Kaufman, T. Lovell, L. Marrelli, P. Martin, K. McCollam, V.V. Mirnov, P. Nonn, R. O'Connell, S. Oliva, P. Piovesan, I. Predebon, J.S. Sarff, G. Spizzo, V. Svidzinski, M. Thomas, E. Uchimoto, R. White and M. Wyman, Nucl. Fusion 45, S276 (2005).

Magnetic reconnection and self-organization in Reversed Field Pinch laboratory plasmas, J.S. Sarff, A. Almagri, J.K. Anderson, D.L. Brower, D. Craig, B.H. Deng, D.J. Den Hartog, W.X. Ding, G. Fiksel, C.B. Forest, V. Mirnov, S.C. Prager, and V. Svidsinski, in The Magnetized Plasma in Galaxy Evolution, 2004, edited by K. Chyzy, K. Otmianowska-Mazur, M. Soida, and R-J. Dettmar (Obserwatorium Astronomiczne, Uniwersytet Jagiellonski, Krakow, 2005) , 48 (2005).



2004

Dynamo-free plasma in the Reversed Field Pinch, J.K. Anderson, T.M. Biewer, C.B. Forest, R. O'Connell, S.C. Prager, and J.S. Sarff, Phys. Plasmas 11, L9 (2004).

Equilibrium reconstructions of Reversed Field Pinch plasmas, J. K. Anderson, C.B. Forest, T.M. Biewer, J.S. Sarff and J.C. Wright, Nucl. Fusion 44, 162 (2004).

Observation of tearing mode deceleration and locking due to eddy currents induced in a conducting shell, B.E. Chapman, R. Fitzpatrick, D. Craig, P. Martin, and G. Spizzo, Phys. Plasmas 11, 2156 (2004).

Development of magnetic field mapping via heavy ion beam spectral imaging, D. R. Demers, K. A. Connor, P. M. Schoch, R. J. Radke, J. K. Anderson, D. Craig, and D. J. Den Hartog, Rev. Sci. Instrum. 75, 4187 (2004).

Measurement of the Hall Dynamo Effect during magnetic reconnection in a high-temperature plasma, W.X. Ding, D.L. Brower, D. Craig, B.H. Deng, G. Fiksel, V. Mirnov, S.C. Prager,  J.S. Sarff, and V. Svidzinski, to appear in Phys. Rev. Lett. , (2004).

Observations of Multiple Magnetic Islands in the Core of a Reversed Field Pinch, P. Franz, L. Marrelli, P. Piovesan, B. E. Chapman, P. Martin, I. Predebon, G. Spizzo, R.B. White, C. Xiao, Phys. Rev. Lett. -, - (2004).

Measurements of the MHD Dynamo in the Quasi-Single-Helicity Reversed-Field Pinch, P. Piovesan, D. Craig, L. Marrelli, S. Cappello, and P. Martin, Phys. Rev. Lett. 93, 235001 (2004).

Measurement of current profile dynamics in the Madison Symmetric Torus, S.D. Terry, D. L. Brower, and W. X. Ding, J. K. Anderson, T. M. Biewer, B. E. Chapman, D. Craig, C. B. Forest, R. O'Connell, S. C. Prager, and J. S. Sarff, Phys. Plasmas 11, 1079 (2004).



2003

Direct removal of edge-localized pollutant emission in a near-infrared bremsstrahlung measurement, J.K. Anderson, P. L. Andrew, B. E. Chapman, D. Craig, and D. J. Den Hartog, Rev. Sci. Instrum. 74, 2107 (2003).

Large area avalanche photodiode detector array upgrade for a ruby-laser Thomson scattering system, T. M. Biewer, D. J. Den Hartog, D. J. Holly, and M. R. Stoneking, Rev. Sci. Instrum. 74, 1649 (2003).

Electron Heat Transport Measured in a Stochastic Magnetic Field, T.M. Biewer, C.B. Forest, J.K. Anderson, G. Fiksel, B. Hudson, S.C. Prager, J.S. Sarff, J.C. Wright, D.L. Brower, W.X. Ding, S.D. Terry, Phys. Rev. Lett. 91, 045004 (2003).

Laser polarimetric measurement of equilibrium and fluctuating magnetic field in a Reversed Field Pinch, D.L. Brower, W.X. Ding, S.D. Terry, J.K. Anderson, T.M. Biewer, B.E. Chapman, D. Craig, C.B. Forest, S.C. Prager, and J.S. Sarff, Rev. Sci. Instrum. 74, 1534 (2003).

Measurement of the Current Sheet during Magnetic Reconnection in a Toroidal Plasma, N. Crocker, G. Fiksel, S.C. Prager, J.S. Sarff, Phys. Rev. Lett. 90, 035003 (2003).

Spectroscopic ion beam imaging for investigations into magnetic field mapping of a plasma, D. R. Demers, P. M. Schoch, and R. J. Radke, J. K. Anderson, D. Craig, and D. J. Den Hartog, Rev. Sci. Insrtum. 74, 2103 (2003).

Measurement of internal magnetic field fluctuations in a Reversed Field Pinch by Faraday rotation, W.X. Ding, D.L. Brower, S.D. Terry, D. Craig, S.C. Prager, J.S. Sarff, and J.C. Wright, Phys. Rev. Lett. 90, 035002 (2003).

Compact soft x-ray multichord camera: Design and initial operation, P. Franz, G. Gadani, R. Pasqualotto, L. Marrelli, P. Martin, G. Spizzo, P. Brunsell, B. E. Chapman, F. Paganucci, P. Rossetti, C. Xiao, Rev. Sci. Instrum. 74, 2152 (2003).

Overview of quasi-single helicity experiments in Reversed Field Pinches, P. Martin, L. Marrelli, G. Spizzo, P. Franz, P. Piovesan, I. Predebon, T. Bolzonella, S. Cappello, A. Cravotta, D.F. Escande, L. Frassinetti, S. Ortolani, R. Paccagnella, D. Terranova, the RFX team, B.E. Chapman, D. Craig, S.C. Prager, J.S. Sarff, the MST team, P. Brunsell, J.-A. Malmberg, J. Drake, the EXTRAP T2R team, Y. Yagi, H. Koguchi, Y. Hirano, the TPE-RX team, R.B. White, C. Sovinec, C. Xiao, R.A. Nebel and D.D. Schnack, Nucl. Fusion 43, 1855 (2003).

Measurement of fast electron distribution using a flexible, high time resolution hard x-ray spectrometer, R. O'Connell, D. J. Den Hartog, C.B. Forest, and R. Harvey, Rev. Sci. Instrum 74, 2001 (2003).

Observation of velocity-independent electron transport in the Reversed Field Pinch, R. O'Connell, D. J. Den Hartog, C. B. Forest, J. K. Anderson, T. M. Biewer, B. E. Chapman, D. Craig, G. Fiksel, S. C. Prager, J. S. Sarff, and S. D. Terry, Phys. Rev. Lett 91, 045002 (2003).

Comparison of ion temperature diagnostics in the Madison Symmetric Toru, J. C. Reardon, D Craig, G. Fiksel, D.J. Den Hartog, S.C Prager, Rev. Sci. Instrum. 74, 1892 (2003).

Behavior of impurity ion velocities during the Pulsed Poloidal Current Drive in the Madison Symmetric Torus Reversed Field Pinch, H. Sakakita, D. Craig, J.K. Anderson, T.M. Biewer, S.D. Terry, B.E. Chapman, D.J. Den Hartog, S.C. Prager, Jpn. J., Appl. Phys 42, L505 (2003).

Plasma velocity profile during the pulsed poloidal current drive in the MST RFP plasma, H. Sakakita, D. Craig, J. K. Anderson, T. M. Biewer, S. D. Terry, B. E. Chapman, and D. J. Den Hartog, AIP Conference Proceedings 669, 219 (2003).

Tokamak-like confinement at a high beta and low toroidal field in the MST Reversed Field Pinch, J.S. Sarff, A.F. Almagri, J.K. Anderson, T.M. Biewer, A.P. Blair, M. Cengher, B.E. Chapman, P.K. Chattopadhyay, D. Craig, D.J. Den Hartog, F. Ebrahimi, G. Fiksel, C.B. Forest, J.A. Goetz, D. Holly, B. Hudson, T.Lovell, K.J. McCollam, P.D. Nonn, R.O'Connell, S.P. Oliva, S.C. Prager, J.C. Reardon, M.A. Thomas, M.D. Wyman, D.L. Brower, W.X. Ding, S.D. Terry, M.D. Carter, V.I. Davydenko, A.A. Ivanov, R.W. Harvey, R.I. Pinskar, C. Xiao, Nucl. Fusion 43, 1684 (2003).

Tokamak-like confinement at high beta and low field in the Reversed Field Pinch, J.S. Sarff, J.K. Anderson, T.M. Biewer, D.L. Brower, B.E. Chapman, P.K. Chattopadhyay, D. Craig, B. Deng, D.J. Den Hartog, W.X. Ding, G. Fiksel, C.B. Forest, J.A. Goetz, R. O'Connell, S.C. Prager, and M.A. Thomas, Plasma Phys. Control. Fusion 45, A457 (2003).

Soft x-ray emission, plasma equilirium, and fluctuation studies on Madison Symmetric Torus, C. Xiao, P. Franz, B.E. Chapman, W.X. Ding, G. Gadani, L. Marrelli, P. Martin, R. Pasqualotto, G. Spizzo, J.S. Sarff, S.D. Terry, Rev. Sci. Instrum. 74, 2157 (2003).



2002

Measurement of the Current-Density Profile and Plasma Dynamics in the Reversed-Field Pinch, D.L. Brower, W. X. Ding, S. D. Terry, J. K. Anderson, T. M. Biewer, B. E. Chapman, D. Craig, C. B. Forest, S. C. Prager, and J. S. Sarff, Phys. Rev. Lett. 88, 185005 (2002).

Core fluctuations and current profile dynamics in the MST Reversed Field Pinch, D. L. Brower, W.X Ding, J. Lei, J.K. Anderson, T.M. Biewer, B.E. Chapman, K.A. Connor, D. Craig, D.R. Demers, C.B. Forest, D. Holly, R. OÕConnell, S.C. Prager, J.S. Sarff, P.M. Schoch, S.D. Terry, J.C. Wright, Proceedings of 19th IAEA Fusion Energy Conference Lyon, paper IAEA-CN-94/EX/C4-6 (2002).

Core Fluctuations and Current Profile Dynamicsin the MST Reversed-Field Pinch, D. L. Brower, W.X. Ding, J. Lei, J.K. Anderson, T.M. Biewer, B.E. Chapman, K.A. Connor, D. Craig, D.R. Demers, C.B. Forest, D. Holly, R. O’Connell, S.C. Prager, J.S. Sarff, P.M. Schoch, S.D. Terry, J.C. Wright, Proceedings of 19th IAEA Fusion Energy Conference paper, IAEA-CN-94/EX/C4-6 (2002).

High confinement plasmas in the Madison Symmetric Torus reversed-field pinch, B.E. Chapman, A. F. Almagri, J. K. Anderson, T. M. Biewer, P. K. Chattopadhyay, C.-S. Chiang, D. Craig, D. J. Den Hartog, G. Fiksel, C. B. Forest, A. K. Hansen, D. Holly, N. E. Lanier, R. O'Connell, S. C. Prager, J. C. Reardon, J. S. Sarff, and M. D. Wyman, D. L. Brower, W. X. Ding, Y. Jiang, and S. D. Terry, P. Franz, L. Marrelli, and P. Martin, Phys. Plasmas 9, 2061 (2002).

Electron Bernstein wave emission from an over-dense Reversed Field Pinch Plasma, P.K. Chattopadhyay, J.K. Anderson, T. Biewer, D. Craig, and C.B. Forest, Phys. Plasmas 98, 752 (2002).

Ion heating and profile relaxation during sawtooth crashes in the MST Reversed Field Pinch, G. Fiksel, A. F. Almagri, J. K. Anderson, T. M. Biewer, A. P. Blair, D. L. Brower, B. E. Chapman, D. Craig, D. J. Den Hartog, W. X. Ding, C. B. Forest, C. C. Hegna, R. Gatto, J. Goetz, K. J. McCollam, V. V. Mirnov, R. O'Connell, S. C. Prager, J. C. Reardon, J. S. Sarff, P. W. Terry, S. D. Terry, and MST Team, published in the Proceedings of the Nineteenth IAEA Fusion Energy Conference Lyon, paper EX/P4-01 (2002).

Ion Heating and Current and Momentum Profile Relaxation DuringSawtooth Crashes in the MST Reversed Field Pinch, G. Fiksel, A.F. Almagri , J.K. Anderson, T.M. Biewer, A.P. Blair, D.L. Brower, B.E. Chapman, D. Craig, D.J. Den Hartog, W.X. Ding, C.B. Forest, C.C. Hegna, R. Gatto, J. Goetz, K.J. McCollam, V.V. Mirnov, R. O'Connell, S.C. Prager, J.C. Reardon, J.S. Sarff, P.W. Terry, S.D. Terry, and MST team, Proceedings of 19th IAEA Fusion Energy Conference paper, EX/P4-01 (2002).

The alpha Dynamo Effects in Laboratory Plasmas, H. Ji, S. C. Prager, Magnetohydrodynamics 38, 191 (2002).

Core Electrostatic Fluctuations and Particle Transport in a Reversed-Field Pinch, J. Lei, P.M. Schoch, D.R. Demers, U. Shah, K.A. Connor, J.K. Anderson, T.P. Crowley, Phys. Rev. Lett. 89, 275001 (2002).

Quasi-single helicity spectra in the Madison Symmetric Torus, L. Marrelli, P. Martin, G. Spizzo, P. Franz, B.E. Chapman, D. Craig, J.S. Sarff, T.M. Biewer, S.C. Prager, J.C. Reardon, Physics of Plasmas 9, 2868 (2002).

Overview of improved confinement and plasma control in the MST Reversed Field Pinch, J. S. Sarff, A. F. Almagri, J. K. Anderson, T. M. Biewer, A. P. Blair, D. L. Brower, M. D. Carter, M. Cengher, B. E. Chapman, P. K. Chattopadhyay, V. I. Davydenko, D. J. Den Hartog, W. X. Ding, F. Ebrahimi, G. Fiksel, C. B. Forest, J. A. Goetz, R. W. Harvey, D. Holly, B. Hudson, A. A. Ivanov, T. W. Lovell, K. J. McCollam, P. D. Nonn, R. OÕConnell, S. P. Oliva, R. I. Pinsker, S. C. Prager, J. C. Reardon, S. D. Terry, M. A. Thomas, M. D. Wyman, C. Xiao, and the MST Team, published in the Proceedings of the Nineteenth IAEA Fusion Energy Conference Lyon, paper OV/4-3 (2002).



2001

A diagnostic neutral beam system for the MST Reversed Field Pinch, G.F. Abdrashitov, V. I. Davydenko, P. P. Deichuli, D. J. Den Hartog, G. Fiksel, A. A. Ivanov, S. A. Korepanov, S. V. Murakhtin, and G. I. Shulzhenko, Rev. Sci. Instrum. 72, 594 (2001).

Multichannel far-infrared polarimeter-interferometer system on the MST Reversed Field Pinch, D.L. Brower, Y. Jiang, W.X. Ding, S.D. Terry, N.E. Lanier, J.K. Anderson, C.B. Forest, D. Holly, Rev. Sci. Instrum. 72, 1077 (2001).

Reduced Edge Instability and Improved Confinement in the MST Reversed-Field Pinch, B.E. Chapman, J. K. Anderson, T. M. Biewer, D. L. Brower, S. Castillo, P. K. Chattopadhyay, C.-S. Chiang, D. Craig, D. J. Den Hartog, G. Fiksel, P. W. Fontana, C. B. Forest, S. Gerhardt, A. K. Hansen, D. Holly, Y. Jiang, N. E. Lanier, S. C. Prager, J. C. Reardon and J. S. Sarff, Phys. Rev. Lett 87, 205001 (2001).

First charge exchange recombination spectroscopy and motional Stark effect results from the Madison Symmetric Torus reversed field pinch, D. Craig, D. J. Den Hartog, G. Fiksel, V. I. Davydenko, and A. A. Ivanov, Rev. Sci. Instrum. 72, 1008 (2001).

Control of magnetic fluctuations in the Reversed Field Pinch with edge current drive, D. Craig, B.E. Chapman, G. Fiksel, S.C. Prager, J.S. Sarff, Phys. Plasmas 8, 1463 (2001).

Status of the multi-point, multi-pulse Thomson scattering diagnostic for the MST RFP, D.J. Den Hartog, P.I. Andrew, D.J. Holly, Rev. Sci. Instrum. 72, 1133 (2001).

Design of a Lower Hybrid Antenna for Current Drive Experiments on MST, J.A. Goetz, M.A. Thomas, C.B. Forest, S.C. Prager, E. Uchimoto, F.W. Baity, and R.I. Pinsker, AIP Proceedings of Conference on Radio Frequency Power in Plasmas -, - (2001).

Chaos and the Limits of Predictability for the solar-wind-driven Magnetosphere-ionosphere System, W. Horton, R. S. Weigel, J.C. Sprott, Phys. Plasmas 8, 2946-2952 (2001).

Measurement of electron transport in the Madison Symmetric Torus reversed-field pinch (invited, N.E. Lanier, D. Craig, J. K. Anderson, T. M. Biewer, B. E. Chapman, D. J. Den Hartog, C. B. Forest, S. C. Prager, D. L. Brower, and Y. Jiang, Rev. Sci. Instrum. 72, 1039 (2001).

Low-cost, robust, filtered spectrometer for absolute intensity measurements in the soft x-ray region, N.E. Lanier, S. P. Gerhardt, and D. J. Den Hartog, Rev. Sci. Instrum. 72, 1188 (2001).

An investigtation of density fluctuations and electron transport in the Reversed Field Pinch, N.E. Lanier, D. Craig, J.K. Anderson, T.M. Biewer, B.E. Chapman, D.J. Den Hartog, C.B. Forest, S.C. Prager, D.L. Brower, Y. Jiang, Phys. Plasmas 8, 3402 (2001).

Rutherford scattering diagnostic for the Madison symmetric torus reversed-field pinch, J.C. Reardon, G. Fiksel, C. B. Forest, A. F. Abdrashitov, V. I. Davydenko, A. A. Ivanov, S. A. Korepanov, S. V. Murachtin, and G. I. Shulzhenko, Rev. Sci. Instrum. 72, 598 (2001).



2000

Modifications to the edge current profile with auxiliary edge current drive and improved confinement in a reversed-field pinch, B. E. Chapman, T. M. Biewer, P. K. Chattopadhyay, C.-S. Chiang, D. J. Craig, N. A. Crocker, D. J. Den Hartog, G. Fiksel, P. W. Fontana, S. C. Prager, and J. S. Sarff, Phys. Plasmas 7, 3491 (2000).

Isotropy of ion heating during a sawtooth crash in a reversed-field pinch, D. J Den Hartog, D. Craig, Plasma Phys. Control. Fusion 42, L47-L53 (2000).

Spectroscopic Observation of Fluctuation-Induced Dynamo in the Edge of the Reversed-Field Pinch, P.W. Fontana, D. J. Den Hartog, G. Fiksel, and S. C. Prager, Phys. Rev. Lett. 85, 566 (2000).

Off-midplane launch of electron Bernstein waves for current drive in overdense plasmas, C.B. Forest, P. K. Chattopadhyay, R. W. Harvey, A. P. Smirnov, Physics of Plasmas 7, 1352 (2000).

Momentum Transport from Nonlinear Mode Coupling of Magnetic Fluctuations, A.K. Hansen, A. F. Almagri, D. Craig, D. J. Den Hartog, C. C. Hegna, S. C. Prager, and J. S. Sarff , Phys. Rev. Lett. 85, 3408 (2000).

Control of Density Fluctuations and Electron Transport in the Reversed-Field Pinch, N.E. Lanier, D. Craig, J. K. Anderson, T. M. Biewer, B. E. Chapman, D. J. Den Hartog, C. B. Forest, S. C. Prager, D. L. Brower, and Y. Jiang , Phys. Rev. Lett. 85, 2120 (2000).

Plasma Flow in MST: Effects of Edge Biasing and Momentum Transport from Nonlinear Magnetic Torques, J. S. Sarff, A.F. Almagri, J.K. Anderson, B.E. Chapman, D. Craig, C-S. Chiang, N.A. Crocker, D.J. Den Hartog, G. Fiksel, A.K. Hansen, and S.C. Prager, Czechoslovak Journal of Physics 50, 1471 (2000).



1999

Measurement of core velocity fluctuations and the dynamo in a reversed-field pinch, D. J. Den Hartog, J. T. Chapman, D. Craig, G. Fiksel, P. W. Fontana, S. C. Prager, and J. S. Sarff, Phys. Plasmas 6, 1813 (1999).

Confinement in the RFP: Lundquist Number Scaling, Plasma Flow, and Reduced Transport, G. Fiksel, A. F. Almagri, J. K. Anderson, T. M. Biewer, D. L. Brower, C-S. Chiang, B. E. Chapman, J. T. Chapman, D. J. Craig, N. A. Crocker, D. J. Den Hartog, P. W. Fontana, C. B. Forest, Y. Jiang, A. K. Hansen, D. Holly, N. E. Lanier, K. A. Mirus, S. C. Prager, J. S. Sarff, U. Shah, J. C. Sprott, M. R. Stoneking, E. Uchimoto , Plasma Physics and Controller Nuclear Fusion Research IAEA, Vienna (1999).

Interferometric measurement of high-frequency density fluctuations in Madison symmetric torus, Y. Jiang, D. L. Brower, N. E. Lanier, Rev. Sci. Instrum. 70, 703 (1999).

First results from the far-infrared polarimeter system on the Madison Symmetric Torus reversed field pinch, N. E. Lanier, J. K. Anderson, C. B. Forest, and D. Holly, Y. Jiang and D. L. Brower, Rev. Sci. Instrum 70, 718 (1999).



1998

Momentum transport and flow damping in the reversed-field pinch plasma, A. F. Almagri, J. T. Chapman, C. S. Chiang, D. Craig, D. J. Den Hartog, C. C. Hegna, and S. C. Prager, Phys. of Plasmas 5, 3982 (1998).

ExB flow shear and enhanced confinement in the Madison Symmetric Torus reversed-field pinch, B. E. Chapman, A. F. Almagri, J. K. Anderson, C.-S. Chiang, D. Craig, G. Fiksel, N. E. Lanier, S. C. Prager, J. S. Sarff, M. R. Stoneking, and P. W. Terry , Phys. Plasmas 5, 1848 (1998).

Strong E x B Flow Shear and Reduced Fluctuations in a Reversed-Field Pinch, B. E. Chapman, C.-S. Chiang, S. C. Prager, J. S. Sarff, and M. R. Stoneking, Phys. Rev. Lett. 80, 2137 (1998).

Measurement of Fast Ion Dynamics in a High Temperature Plasma, D. J. Den Hartog, A. F. Almagri, J. T. Chapman, G. Fiksel, C. C. Hegna, and S. C. Prager, Plasma Phys. Reports 24, 148 (1998).

An optical probe for local measurements of fast plasma ion dynamics, G. Fiksel, D. J. Den Hartog, and P. W. Fontana, Rev. of Sci. Instrum. 69, 2024 (1998).

Locking of multiple resonant mode structures in the reversed-field pinch, A. K. Hansen, A. F. Almagri, D. J. Den Hartog, S. C. Prager, and J. S. Sarff, Physics of Plasmas 5, 2942 (1998).

Experimental scaling of fluctuations and confinement with Lundquist number in the reversed-field pinch, M.R. Stoneking, J. T. Chapman, D. J. Den Hartog, S. C. Prager, and J. S. Sarff, Physics of Plasmas 5, 1004 (1998).



1997

Strong E  x  B Flow Shear and Reduced Fluctuations in a Reversed-Field Pinch, B. E. Chapman, C.-S. Chiang, S. C. Prager, J. S. Sarff, and M. R. Stoneking , Phys. Rev. Lett. 80, 2137 (1997).

Calibration techniques for a fast duo spectrometer, J. T. Chapman, D. J. Den Hartog, Rev. Sci. Instrum. 68, 285 (1997).

Enhanced Confinement with Plasma Biasing in the MST Reversed Field Pinch, D. Craig, A. F. Almagri, J. K. Anderson, J. T. Chapman, C.-S. Chiang, N. A. Crocker, D. J. Den Hartog, G. Fiksel, S. C. Prager, J. S. Sarff, and M. R. Stoneking, Phys. Rev. Lett. 79, 1865 (1997).

Increased confinement and beta by inductive poloidal current drive in the Reversed Field Pinch, J.S. Sarff, N.E. Lanier, S.C. Prager, M.R. Stoneking, Phys. Rev. Lett. 78, 62 (1997).

Maximum-likelihood fitting of data dominated by Poisson statistical uncertainties, M. R. Stoneking, D. J. Den Hartog, Rev. Sci. Instrum. 68, 914 (1997).

Fivefold confinement time increase in the Madison Symmetric Torus using inductive poloidal current drive, M.R. Stoneking, N.E. Lanier, S.C. Prager, J.S. Sarff, D. Sinitsyn, Phys. Plasmas 4, 1632 (1997).



1996

Sawteeth and energy confinement in the Madison Symmetric Torus reversed-field pinch, B. E. Chapman, A. F. Almagri, M. Cekic, D. J. Den Hartog, S. C. Prager, and J. S. Sarff, Phys. Plasmas 3, 709 (1996).

Measurement of magnetic fluctuation-induced heat transport in tokamaks and RFP, G. Fiksel, Roger D. Bengtson, M. Cekic, D. Den Hartog, S. C. Prager, P. Pribyl, J. Sarff, C. Sovinec, M. R. Stoneking, R. J. Taylor, P. W. Terry, G. R. Tynan, and A. J. Wooton, Plasma Phys. Control. Fusion 38, A213 (1996).

Ambipolar magnetic fluctuation-induced heat transport in toroidal devices, P. W. Terry, G. Fiksel, H. Ji, A. F. Almagri, M. Cekic, D. J. Den Hartog, P. H. Diamond, S. C. Prager, J. S. Sarff, W. Shen, M. Stoneking, and A. S. Ware, Phys. Plasmas 3, 1999 (1996).



1995

Analysis methods for fast impurity ion dynamics data, D. J. Den Hartog, A. F. Almagri, S. C. Prager, and R. J. Fonck, Rev. Sci. Instrum. 66, 444 (1995).

Fast flow phenomena in a toroidal plasma, D. J. Den Hartog, D. J. Den Hartog, A. F. Almagri, J. T. Chapman, H. Ji, S. C. Prager, J. S. Sarff, R. J. Fonck and C. C. Hegna, Phys. Plasmas 2, 2281 (1995).

Solid target boronization of the MST reversed-field pinch during pulsed discharge cleaning, D. J. Den Hartog, R. D. Kendrick, J. Nucl. Mater. 220-222, 631 (1995).

Conservation of magnetic helicity during plasma relaxation, H. Ji, S.C. Prager, J.S. Sarff, Phys. Rev. Lett. 74, 2945 (1995).

Plasma rotation, dynamo, and nonlinear coupling in the reversed field pinch, S. C. Prager, A. F. Almagri, M. Cekic, J. Chapman, D. J. Den Hartog, G. Fiksel, C. Hegna, H. Ji, and J. S. Sarff; J. R. Drake, S. Mazur, P. Nordlund, and H. E. Saetherblom, Plasma Phys. Control. Fusion 37, A303 (1995).

Transport Reduction by Current Profile Control in the Reversed-field Pinch, J.S. Sarff, A. F. Almagri, M. Cekic, C. -S. Chaing, D. Craig, D. J. Den Hartog, G. Fiksel, S. A. Hokin, R. W. Harvey, H. Ji, C. Litwin, S.c. Prager, D. Sinitsyn, C. R. Sovinec, J. C. Sprott, and E. Uchimoto, Phys. Plasmas 2, 2440-2446 (1995).



1994

A simple, high-performance Thomson-scattering diagnostic for high-temperature plasma research, D.J. Den Hartog, M. Cekic, Meas. Sci. Technol. 5, 1115 (1994).

A fast spectroscopic diagnostic for the measurement of plasma impurity ion dynamics, D. J. Den Hartog, R. J. Fonck, Rev. Sci. Instrum. 65, 3238 (1994).

Fluctuation and transport reduction in a Reversed Field Pinch by Inductive Poloidal Current Drive, J.S. Sarff, S.A. Hokin, H. Ji, S.C. Prager, C.R. Sovinec, Phys. Rev. Lett. 72, 3670 (1994).

Particle Transport Due to Magnetic Fluctuations, Matthew R. Stoneking, S. A. Hokin, S. C. Prager, G. Fiksel, H. Ji, and D. J. Den Hartog, Phys. Rev. Lett. 73, 549 (1994).

Chaos in Reversed-field-pinch Plasma Simulation and Experiment, C. Watts, D. E. Newman, and J. C. Sprott , Phys. Rev. E 49, 2291-2301 (1994).



1993

B4C solid target boronization of the MST reversed-field pinch, D. J. Den Hartog, M. Cekic, G. Fiksel, S.A. Hokin, R.D. Kendrick, S.C. Prager, and M.R. Stoneking, J. Nucl. Mater. 200, 177 (1993).

Reversed-Field Pinch Studies in the Madison Symmetric Torus, S. Hokin, A. Almagri, M. Cekic, B. Chapman, N. Crocker, D. J. Den Hartog, G. Fiksel, J. Henry, H. Ji, S. Prager, J. Sarff, E. Scime, W. Shen, M. Stoneking, and C. Watts, J. Fusion Energy 12, 281 (1993).

Nonlinear coupling of tearing fluctuations in the Madison Symmetric Torus, John S. Sarff, S. Assadi, A. F. Almagri, M. Cekic, D. J. Den Hartog, G. Fiksel, S. A. Hokin, H. Ji, S. C. Prager, W. Shen, K. L. Sidikman, and M. R. Stoneking, Phys. Fluids B 5, 2540 (1993).



1992

Locked modes and magnetic field errors in the Madison Symmetric Torus, A.F. Almagri, S. Assadi, S.C. Prager, J.S. Sarff, D.W. Kerst, Phys. Fluids B 4, 4080 (1992).

Turbulent Transport in the Madison Symmetric Torus Reversed-field Pinch, T.D. Rempel, A. F. Almagri, S. Assadi, D. J. Den Hartog, S. A. Hokin, S. C. Prager, J. S. Sarff, W. Shen, K. L. Sidikman, C. W. Spragins, J. C. Sprott, M. R. Stoneking, and E. J. Zita, Phys. Fluids B 4, 2136-2141 (1992).

Ion heating and magnetohydrodynamic dynamo fluctuations in the reversed-field pinch, Earl Scime, Earl Scime, Miodrag Cekic, D. J. Den Hartog, Samuel Hokin, D. J. Holly, and Christopher Watts, Phys. Fluids B 4, 4062 (1992).

Current-density fluctuations and ambipolarity of transport, W. Shen, R.N. Dexter, S.C. Prager, Phys. Rev. Lett. 68, 1319 (1992).



1991

The Madison Symmetric Torus, R.N. Dexter, D.W. Kerst, T.W. Lovell, S.C. Prager, and J.C. Sprott, Fusion Tech. 19, 131 (1991).

Global Confinement an Discrete Dynamo Activity in the MST Reversed-field Pinch, S. Hokin, A. Almagri, S. Assadi, J. Beckstead, G. Chartas, N. Crocker, M. Cudzinovic, D. Den Hartog, R. Dexter, D. Holly, S. Prager, T. Rempel, J. Sarff, E. Scime, W. Shen, C. Spragins, C. Sprott, G. Starr, M. Stoneking, C. Watts , Phys. Fluids B 3, 2241-2246 (1991).

Edge Electrostatic Fluctuations and Transport in a Reversed-Field Pinch, Trudy D. Rempel, C. W. Spragins, S. C. Prager, S. Assadi, D. J. Den Hartog, and S. Hokin, Phys. Rev. Lett. 67, 1438 (1991).

Modified Polynomial Function Model for Reversed-field Pinches, W Shen, J. C. Sprott , Phys. Fluids B 3, 1225 (1991).



1990

First Results from the Madison Symmetric Torus Reversed Field Pinch, S.C. Prager, A. F. Almagri, S. Assadi, J. A. Beckstead, R. N. Dexter, D. J. Den Hartog, G. Chartas, S. A. Hokin, T. W. Lovell, T. D. Rempel, J. S. Sarff, W. Shen, C. W. Spragins, and J. C. Sprott, Phys. Fluids B 2, 1367-1371 (1990).



1987

Equilibrium Studies of a Poloidal Divertor Pinch with a Reversed Toroidal Field, J.S. Sarff, J. C. Sprott, and L. Turner , Phys. Fluids 30, 2155 (1987).