Publications from the MST Group

journal and proceedings abbreviations used in this bibliography

FT = Fusion Technology
JPP = Journal of Plasma Physics
NF = Nuclear Fusion
PF = Physics of Fluids
PFB = Physics of Fluids B
PoP = Physics of Plasmas
PRL = Physical Review Letters
PPCF = Plasma Physics and Controlled Fusion
RSI = Review of Scientific Instrumentation

IAEA94 = Plasma Physics and Controlled Nuclear Fusion Research 1994 (Proc. 15th Int. Conf. Seville, 1994), IAEA, Vienna (1994)

IAEA92 = Plasma Physics and Controlled Nuclear Fusion Research 1992 (Proc. 14th Int. Conf. Wurzburg, 1992), IAEA, Vienna (1992)

IAEA90 = Plasma Physics and Controlled Nuclear Fusion Research 1990 (Proc. 13th Int. Conf. Washington D.C., 1990), IAEA, Vienna (1990)

IAEA88 = Plasma Physics and Controlled Nuclear Fusion Research 1988 (Proc. 12th Int. Conf. Nice, 1988), IAEA, Vienna (1988)

IAEA86 = Plasma Physics and Controlled Nuclear Fusion Research 1986 (Proc. 11th Int. Conf. Kyoto, 1986), IAEA, Vienna (1986)


NA Crocker, G Fiksel, SC Prager, and JS Sarff, Measurement of the current sheet during magnetic reconnection in a toroidal plasma, PRL 90, 035003 (2003).

WX Ding, DL Brower, SD Terry, D Craig, SC Prager, JS Sarff, and JC Wright, Measurement of internal magnetic field fluctuations in a reversed-field pinch by Faraday rotation, PRL 90, 035002 (2003).

J Lei, PM Schoch, DR Demers, U Shah, KA Connor, JK Anderson, and TP Crowley, Core electrostatic fluctuations and particle transport in a reversed-field pinch, PRL 89, 275001 (2002).

HK Ebraheem, JL Shohet, and AC Scott, Mode locking in reversed-field pinch experiments, PRL 88, 235003 (2002).

L Marelli, P Martin, G Spizzo, P Franz, BE Chapman, D Craig, JS Sarff, TM Biewer, SC Prager, and JC Reardon, Quasi-single helicity spectra in the Madison Symmetric Torus, PoP 9, 2868 (2002).

DL Brower, WX Ding, SD Terry, JK Anderson, TM Biewer, BE Chapman, D Craig, CB Forest, SC Prager, and JS Sarff, Measurement of the current-density profile and plasma dynamics in the reversed-field pinch, PRL 88, 185005 (2002).

BE Chapman, JK Anderson, TM Biewer, DL Brower, S Castillo, PK Chattopadhyay, C-S Chiang, DJ Den Hartog, G Fiksel, PW Fontana, CB Forest, S Gerhardt, AK Hansen, D Holly, Y Jiang, NE Lanier, SC Prager, JC Reardon, and JS Sarff, Reduced edge instability and improved confinement in the MST reversed-field pinch, PRL 87, 205001 (2001).

NE Lanier, D Craig, JK Anderson, TM Biewer, BE Chapman, DJ Den Hartog, CB Forest, SC Prager, DL Brower, and Y Jiang, An investigation of density fluctuations and electron transport in the Madison Symmetric Torus reversed-field pinch, PoP 8, 3402 (2001).

D Craig, G Fiksel, SC Prager, and JS Sarff, Control of magnetic fluctuations in the reversed field pinch with edge current drive, PoP 8, 1463 (2001).

AK Hansen, AF Almagri, D Craig, DJ Den Hartog, CC Hegna, SC Prager, and JS Sarff, Momentum transport from nonlinear coupling of magnetic fluctuations, PRL 85, 3408 (2000).

NE Lanier, D Craig, JK Anderson, TM Biewer, BE Chapman, DJ Den Hartog, CB Forest, SC Prager, DL Brower, and Y Jiang, Control of density fluctuations and electron transport in the reversed-field pinch, PRL 85, 2120 (2000).

BE Chapman, TM Biewer, PK Chattopadhyay, C-S Chiang, DJ Craig, NA Crocker, DJ Den Hartog, G Fiksel, PW Fontana, SC Prager, and JS Sarff, Modifications to the edge current profile with auxiliary edge current drive and improved confinement in a reversed-field pinch, PoP 7, 3491 (2000).

PW Fontana, DJ Den Hartog, G Fiksel, and SC Prager, Spectroscopic observation of fluctuation-induced dynamo in the edge of the reversed-field pinch, PRL 85, 566 (2000).

R Fitzpatrick, SC Guo, DJ Den Hartog, and CC Hegna, Effect of a resistive vacuum vessel on dynamo mode rotation in reversed field pinches, PoP 6 3878 (1999).

DJ Den Hartog, JT Chapman, D Craig, G Fiksel, PW Fontana, SC Prager, and JS Sarff, Measurement of core velocity fluctuations and the dynamo in a reversed-field pinch, Phys. Plasmas 6, 1813 (1999).

H Ji, Turbulent dynamos and magnetic helicity, PRL 83, 3198 (1999).

AK Hansen, AF Almagri, DJ Den Hartog, SC Prager, and JS Sarff, Locking of multiple resonant mode structures in the reversed-field pinch, PoP 5, 2942 (1998).

BE Chapman, AF Almagri, JK Anderson, C-S Chiang, D Craig, G Fiksel, NE Lanier, SC Prager, JS Sarff, MR Stoneking, and PW Terry, ExB flow shear and enhanced confinement in the Madison Symmetric Torus reversed-field pinch, PoP 5 1848 (1998).

MR Stoneking, JT Chapman, DJ Den Hartog, SC Prager, and JS Sarff, Experimental scaling of fluctuations and confinement with Lundquist number in the reversed field pinch, PoP 5, 1004 (1998).

BE Chapman, CS Chiang, SC Prager, JS Sarff, and MR Stoneking, Strong ExB flow shear and reduced fluctuations in a reversed-field pinch, PRL 80, 2137 (1998).

C Litwin and SC Prager, Alpha effect of Alfven waves and current drive in reversed-field pinches, PoP 5, 553 (1998).

D Craig, AF Almagri, JK Anderson, JT Chapman, C-S Chiang, NA Crocker, DJ Den Hartog, G Fiksel, SC Prager, JS Sarff, and MR Stoneking, Enhanced confinement with plasma biasing in the MST reversed field pinch, PRL 79, 1865 (1997).

MR Stoneking, NE Lanier, SC Prager, JS Sarff, and D Sinitsyn, Fivefold confinement time increase in the Madison Symmetric Torus using inductive poloidal current drive, PoP 4, 1632 (1997).

JS Sarff, NE Lanier, SC Prager, and MR Stoneking, Increased confinement and beta by inductive poloidal current drive in the reversed field pinch, PRL 78, 62 (1997).

MR Stoneking and DJ Den Hartog, Maximum-likelihood fitting of data dominated by Poisson statistical uncertainties, RSI 68, 914 (1997).

G Fiksel, RD Bengtson, M Cekic, D Den Hartog, SC Prager, P Pribyl, J Sarff, C Sovinec, MR Stoneking RJ Taylor, PW Terry, GR Tynan, and AJ Wootton, Measurement of magnetic fluctuation-induced heat transport in tokamaks and RFP, PPCF 38, A213 (1996).

G Giruzzi and S Hokin, Superthermal electron generation and transport in the reversed-field pinch, PPCF 38, 1001 (1996).

H Ji, SC Prager, AF Almagri, JS Sarff, Y Yagi, Y Hirano, K Hattori, and H Toyama, Measurement of the dynamo effect in a plasma, PoP 3, 1935 (1996).

PW Terry, G Fiksel, H Ji, AF Almagri, M Cekic, DJ Den Hartog, PH Diamond, SC Prager, JS Sarff, W Shen, M Stoneking, and AS Ware, Ambipolar magnetic fluctuation-induced heat transport in toroidal devices, PoP 3, 1999 (1996).

RA Dziubek, RW Harvey, SA Hokin, and E Uchimoto, Lower hybrid accessibility in a large, hot reversed field pinch, NF 36, 453 (1996).

BE Chapman, AF Almagri, M Cekic, DJ Den Hartog, SC Prager, and JS Sarff, Sawteeth and energy confinement in the Madison Symmetric Torus reversed-field pinch, PoP 3, 709 (1996).

CR Sovinec and SC Prager, Magnetohydrodynamic simulations of direct current helicity injection for current drive in tokamaks, PoP 3, 1038 (1996).

J.S. Sarff, M. Cekic, D.J. Den Hartog, G. Fiksel, N.E. Lanier, S.C. Prager, and M.R. Stoneking, The reversed field pinch: understanding and improving confinement, FT 30, 1403, part 2B (1996).

H Ji, K Hattori, AF Almagri, SC Prager, Y Hirano, JS Sarff, T Shimada, Y Maejima, and K Hayase, Effect of collisionality and diamagnetism on the plasma dynamo, PRL 75, 1086 (1995).

H Ji, SC Prager and JS Sarff, Conservation of magnetic helicity during plasma relaxation, PRL 74, 2945(1995).

JS Sarff, AF Almagri, M Cekic, C-S Chiang, D Craig, DJ Den Hartog, G Fiksel, SA Hokin, RW Harvey, H Ji, C Litwin, SC Prager, D Sinitsyn, CR Sovinec, JC Sprott, and E Uchimoto, Transport reduction by current profile control in the reversed-field pinch, PoP 2, 2440 (1995).

DJ Den Hartog, AF Almagri, JT Chapman, H Ji, SC Prager, and JS Sarff, Fast flow phenomena in a toroidal plasma, PoP 2, 2281 (1995).

G Fiksel, Fast pyrobolometer for magnetic heat transport measurements, RSI 66, 662 (1995).

DJ Den Hartog, AF Almagri, and SC Prager, Analysis methods for fast impurity ion dynamics data, RSI 66, 444 (1995).

DJ Den Hartog and RD Kendrick, Solid target boronization of the MST reversed-field pinch during pulsed discharge cleaning, J. of Nucl. Mat. 220-222, 631 (1995).

JS Sarff, SA Hokin, H Ji, SC Prager, and CR Sovinec, Fluctuation and transport reduction in a reversed field pinch by inductive poloidal current drive, PRL 72, 3670 (1994).

SA Hokin, G Fiksel, H Ji, M Stoneking, AF Almagri, M Cekic, BE Chapman, C-S Chiang, N Crocker, DJ Den Hartog, J Henry, D Holly, K Mirus, SC Prager, JS Sarff, W Shen, D Sinitsyn, and CR Sovinec Magnetic fluctuation induced transport and edge dynamo measurements in the MST reversed-field pinch, IAEA94, vol. 2, 371 (1994).

JS Sarff, AF Almagri, JD Callen, M Cekic, BE Chapman, N Crocker, DJ Den Hartog, E Fernandez, G Fiksel, RW Harvey, CC Hegna, J Henry, YL Ho, SA Hokin, D Holly, H Ji, C Litwin, K Mirus, SC Prager, DD Schnack, D Sinitsyn, CR Sovinec, JC Sprott, M Stoneking, PW Terry, E Uchimoto, and AS Ware, Fluctuations and transport in the reversed field pinch: characterization and reduction, IAEA94, vol. 2, 431 (1994).

MR Stoneking, SA Hokin, SC Prager, G Fiksel, H Ji, and DJ Den Hartog, Particle transport due to magnetic fluctuations, PRL 73, 549 (1994).

H Ji, AF Almagri, SC Prager, and JS Sarff, Time-resolved observation of discrete and continuous magnetohydrodynamic dynamo in the reversed-field pinch edge, PRL 73, 668 (1994).

G Fiksel, SC Prager, W Shen, and M Stoneking, Measurement of magnetic fluctuation induced energy transport, PRL 72, 1028 (1994).

S Hokin, JS Sarff, C Sovinec, and E Uchimoto, Confinement improvement with RF poloidal current drive in the reversed field pinch, NF 34, 1447 (1994).

DJ Den Hartog and RJ Fonck, A fast spectroscopic diagnostic for the measurement of plasma impurity ion dynamics, RSI 65, 3238 (1994).

E Uchimoto, M Cekic, RW Harvey, C Litwin, SC Prager, JS Sarff, and CR Sovinec, Lower-hybrid poloidal current drive for fluctuation reduction in a reversed field pinch, PoP 1, 3517 (1994).

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

BE Chapman, DJ Den Hartog, and RJ Fonck, Broadband extreme-ultraviolet survey spectrometer for short-time-scale experiments, Appl. Optics 33, 4214 (1994).

C Watts, DE Newman, and JC Sprott, Chaos in reversed-field-pinch plasma simulation and experiment, Phys. Rev. E 49, 2291 (1994).

W Shen and SC Prager, The fluctuation-induced Hall effect, PFB, 5, 1931 (1993).

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

JS Sarff, Nonlinear coupling of tearing fluctuations in the Madison Symmetric Torus, PFB 5, 2540 (1993).

G Fiksel, J Frank, and D Holly, Fast pyrobolometers for measurements of plasma heat fluxes and radiation losses in the MST reversed field pinch, RSI 64, 2761 (1993).

DJ Den Hartog, B4C solid target boronization of the MST reversed-field pinch, J. of Nuc. Mat. 200, 177 (1993).

JC Sprott, Automatic generation of strange attractors, Comput. & Graphics 17, 325 (1993).

G Chartas and S Hokin, Soft X-ray measurement of internal tearing mode structure in a reversed-field pinch, PFB 4, 4019 (1992).

S Assadi, SC Prager, and KL Sidikman, Measurement of nonlinear mode coupling of tearing fluctuations, PRL 69, 281 (1992).

AF Almagri, S Assadi, SC Prager, JS Sarff, and DW Kerst, Locked modes and magnetic field errors in the Madison Symmetric Torus, PFB 4, 4080 (1992).

TD Rempel, AF Almagri, S Assadi, DJ Den Hartog, SA Hokin, SC Prager, JS Sarff, W Shen, KL Sidikman, CW Spragins, JC Sprott, MR Stoneking, and EJ Zita, Turbulent transport in the Madison Symmetric Torus reversed-field pinch, PFB 4,2136 (1992).

W. Shen, R.N. Dexter, and S.C. Prager, Current-Density Fluctuations and Ambipolarity of Transport, Phys. Rev. Lett. 68,1319 (1992).

E. Scime, M. Cekic, D.J. Den Hartog, S. Hokin, D. Holly, and C. Watts, Ion Heating and Magnetohydrodynamic Dynamo Fluctuations in the Reversed-field Pinch, Phys. Fluids B 4, 4062 (1992).

E. Scime, S. Hokin, N. Mattor, and C. Watts, Ion Heating and Magnetohydrodynamic Fluctuations in the Reversed-field Pinch, Phys. Rev. Lett. 68, 2165 (1992).

S. Hokin, An X-ray Target Probe for Superthermal Electron and Field Line Pitch Measurements, Rev. Sci. Instrum. 63, 5041 (1992).

E. Scime and S. Hokin, Design and Calibration of a Fast-time Resolution Charge Exchange Analyzer, Rev. Sci. Instrum. 63, 4527 (1992).

S. Hokin, R. Fonck, and P. Martin, A Simple Multifoil Spectrometer for Routine Carbon and Oxygen Measurements, Rev. Sci. Instrum. 63, 5038 (1992).

SC Prager, AF Almagri, S Assadi, M Cekic, BE Chapman, N Crocker, DJ Den Hartog, RN Dexter, G Fiksel, RJ Fonck, JS Henry, SA Hokin, DJ Holly, H Ji, TD Rempel, JS Sarff, E Scime, W Shen, KL Sidikman, JC Sprott, MR Stoneking, C Watts, Current density fluctuations, nonlinear coupling and transport in MST, IAEA92, vol. 2, 531 (1992).

SA Hokin, AF Almagri, S Assadi, M Cekic, BE Chapman, G Chartas, N Crocker, M Cudzinovic, DJ Den Hartog, RN Dexter, G Fiksel, RJ Fonck, JS Henry, DJ Holly, SC Prager, TD Rempel, JS Sarff, E Scime, W Shen, JC Sprott, MR Stoneking, C Watts, Anomalous ion heating and superthermal electrons in the MST reversed-field pinch, IAEA92, vol. 2, 539 (1992).

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

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

S. Hokin, A. Almagri, J. Beckstead, G. Chartas, N. Crocker, M. Cudzinovic, D.J. 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, and R. Nebel, Global Confinement and Discrete Dynamo Activity in the MST Reversed-Field Pinch, Phys. Fluids B 3, 2241 (1991).

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

J. Sarff, A. Almagri, S. Assadi, J. Beckstead, G. Chartas, N. Crocker, D. Den Hartog, S. Hokin, D. Holly, S. Prager, T. Rempel, E. Scime, W. Shen, C. Spragins, J. Sprott, G. Starr, M. Stoneking, and C. Watts, Edge fluctuations and transport in the MST reversed field pinch, Proceedings of the 18th European Conference on Controlled Fusion and Plasma Physics, 1991, p. II-289.

JC Sprott, AF Almagri, S Assadi, JA Beckstead, G Chartas, DJ Den Hartog, RN Dexter, SA Hokin, DJ Holly, SC Prager, TD Rempel, JS Sarff, E Scime, W Shen, CW Spragins, and C Watts, Confinement and fluctuations in the MST reversed field pinch, IAEA90, vol. 2, 519 (1990).

A. Almagri, S. Assadi, J. Beckstead, G. Chartas, M. Cudzinovic, D. Den Hartog, R. Dexter, S. Hokin, D. Holly, S. Prager, T. Rempel, J. Sarff, E. Scime, W. Shen, C. Spragins, G. Starr, M. Stoneking, and C. Watts, Global Confinement in the MST Reversed Field Pinch, Proceedings of the International School of Plasma Physics Workshop on Physics of Alternative Confinement Schemes, Varenna, Italy, 1990, p. 667.

A. Almagri, S. Assadi, J. Beckstead, G. Chartas, N. Crocker, D.J. Den Hartog, R. Dexter, S. Hokin, D. Holly, E. Nilles, S. Prager, T. Rempel, J. Sarff, E. Scime, W. Shen, C. Spragins, J. Sprott, G. Starr, M. Stoneking, and C. Watts, Edge Fluctuations in the MST Reversed Field Pinch, Proceedings of the International School of Plasma Physics Workshop on Physics of Alternative Confinement Schemes, Varenna, Italy, 1990, p.223.

S.C. Prager, Transport and Fluctuations in Reversed Field Pinches, Plasma Phys. and Contr. Fusion 32, 903 (1990).

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, First results from the Madison Symmetric Torus Reversed Field Pinch, Phys. Fluids B 2, 1367 (1990).

J.C. Sprott, Electrical Circuit Modeling of Reversed Field Pinches, Phys. Fluids 31, 2266 (1988).

KF Schoenberg, JC Ingraham, RW Moses, PG Weber, LC Burkhardt, TE Cayton, JN DiMarco, JN Downing, RF Ellis, R Gerwin, G Miller, CP Munson, RA Nebel, MM Pickrell, AE Schofield, R Verrasingam, KA Werley, GA Wurden, AF Almagri, S Assadi, JA Beckstead, G Chartas, DJ Den Hartog, RN Dexter, YL Ho, DW Kerst, TW Lovell, D Kortbawi, EJ Nilles, SC Prager, TD Rempel, JS Sarff, W Shen, CW Spragins, and JC Sprott, Confinement dynamics and boundary coundition studies in the reversed field pinch, IAEA88, vol. 2, 419 (1988).

AF Almagri, S Assadi, JA Beckstead, G Chartas, DJ Den Hartog, X Deng, RN Dexter, SA Hokin, E Hotta, DW Kerst, D Kortbawi, J Laufenberg, TW Lovell, EJ Nilles, SC Prager, TD Rempel, JS Sarff, W Shen, CW Spragins, and JC Sprott, Initial operation of the Madison Symmetric Torus reversed field pinch, IAEA88, vol. 2, 757 (1988).

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