First observation of alpha particle loss induced by kinetic ballooning modes in TFTR deuterium-tritium experiments

Zuoyang Chang; R. V. Budny; L. Chen; D. Darrow; E. D. Fredrickson; A. Janos; D. Mansfield; E. Mazzucato; K. M. McGuire; R. Nazikian; G. Rewoldt; J. D. Strachan; W. M. Tang; G. Taylor; R. B. White; S. Zweben

doi:10.1103/PhysRevLett.76.1071

First observation of alpha particle loss induced by kinetic ballooning modes in TFTR deuterium-tritium experiments

Zuoyang Chang, R. V. Budny, L. Chen, D. Darrow, E. D. Fredrickson, A. Janos, D. Mansfield, E. Mazzucato, K. M. McGuire, R. Nazikian, G. Rewoldt, J. D. Strachan, W. M. Tang, G. Taylor, R. B. White, S. Zweben

PPPL Computational Science

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24 Scopus citations

Abstract

A correlation between the measured alpha particle loss and high frequency (∼100-200 kHz) magnetohydrodynamic (MHD) modes has been observed in some high β (= plasma pressure/magnetic pressure) DT plasmas in TFTR. These modes are localized around the peak plasma pressure gradient and have ballooning characteristics. Particle simulation shows that the loss is due to wave-particle resonances. Linear instability analysis indicates that the plasma is unstable to the kinetic MHD ballooning modes driven by strong local pressure gradients.

Original language	English (US)
Pages (from-to)	1071-1074
Number of pages	4
Journal	Physical review letters
Volume	76
Issue number	7
DOIs	https://doi.org/10.1103/PhysRevLett.76.1071
State	Published - 1996

All Science Journal Classification (ASJC) codes

General Physics and Astronomy

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10.1103/PhysRevLett.76.1071

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Chang, Z., Budny, R. V., Chen, L., Darrow, D., Fredrickson, E. D., Janos, A., Mansfield, D., Mazzucato, E., McGuire, K. M., Nazikian, R., Rewoldt, G., Strachan, J. D., Tang, W. M., Taylor, G., White, R. B., & Zweben, S. (1996). First observation of alpha particle loss induced by kinetic ballooning modes in TFTR deuterium-tritium experiments. Physical review letters, 76(7), 1071-1074. https://doi.org/10.1103/PhysRevLett.76.1071

@article{f7adbc8576dc4486a5706ff322a37d44,

title = "First observation of alpha particle loss induced by kinetic ballooning modes in TFTR deuterium-tritium experiments",

abstract = "A correlation between the measured alpha particle loss and high frequency (∼100-200 kHz) magnetohydrodynamic (MHD) modes has been observed in some high β (= plasma pressure/magnetic pressure) DT plasmas in TFTR. These modes are localized around the peak plasma pressure gradient and have ballooning characteristics. Particle simulation shows that the loss is due to wave-particle resonances. Linear instability analysis indicates that the plasma is unstable to the kinetic MHD ballooning modes driven by strong local pressure gradients.",

author = "Zuoyang Chang and Budny, \{R. V.\} and L. Chen and D. Darrow and Fredrickson, \{E. D.\} and A. Janos and D. Mansfield and E. Mazzucato and McGuire, \{K. M.\} and R. Nazikian and G. Rewoldt and Strachan, \{J. D.\} and Tang, \{W. M.\} and G. Taylor and White, \{R. B.\} and S. Zweben",

year = "1996",

doi = "10.1103/PhysRevLett.76.1071",

language = "English (US)",

volume = "76",

pages = "1071--1074",

journal = "Physical review letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "7",

}

Chang, Z, Budny, RV, Chen, L, Darrow, D, Fredrickson, ED, Janos, A, Mansfield, D, Mazzucato, E, McGuire, KM, Nazikian, R, Rewoldt, G, Strachan, JD, Tang, WM, Taylor, G, White, RB & Zweben, S 1996, 'First observation of alpha particle loss induced by kinetic ballooning modes in TFTR deuterium-tritium experiments', Physical review letters, vol. 76, no. 7, pp. 1071-1074. https://doi.org/10.1103/PhysRevLett.76.1071

TY - JOUR

T1 - First observation of alpha particle loss induced by kinetic ballooning modes in TFTR deuterium-tritium experiments

AU - Chang, Zuoyang

AU - Budny, R. V.

AU - Chen, L.

AU - Darrow, D.

AU - Fredrickson, E. D.

AU - Janos, A.

AU - Mansfield, D.

AU - Mazzucato, E.

AU - McGuire, K. M.

AU - Nazikian, R.

AU - Rewoldt, G.

AU - Strachan, J. D.

AU - Tang, W. M.

AU - Taylor, G.

AU - White, R. B.

AU - Zweben, S.

PY - 1996

Y1 - 1996

N2 - A correlation between the measured alpha particle loss and high frequency (∼100-200 kHz) magnetohydrodynamic (MHD) modes has been observed in some high β (= plasma pressure/magnetic pressure) DT plasmas in TFTR. These modes are localized around the peak plasma pressure gradient and have ballooning characteristics. Particle simulation shows that the loss is due to wave-particle resonances. Linear instability analysis indicates that the plasma is unstable to the kinetic MHD ballooning modes driven by strong local pressure gradients.

AB - A correlation between the measured alpha particle loss and high frequency (∼100-200 kHz) magnetohydrodynamic (MHD) modes has been observed in some high β (= plasma pressure/magnetic pressure) DT plasmas in TFTR. These modes are localized around the peak plasma pressure gradient and have ballooning characteristics. Particle simulation shows that the loss is due to wave-particle resonances. Linear instability analysis indicates that the plasma is unstable to the kinetic MHD ballooning modes driven by strong local pressure gradients.

UR - https://www.scopus.com/pages/publications/0039478805

UR - https://www.scopus.com/inward/citedby.url?scp=0039478805&partnerID=8YFLogxK

U2 - 10.1103/PhysRevLett.76.1071

DO - 10.1103/PhysRevLett.76.1071

M3 - Article

C2 - 10061626

AN - SCOPUS:0039478805

SN - 0031-9007

VL - 76

SP - 1071

EP - 1074

JO - Physical review letters

JF - Physical review letters

IS - 7

ER -

First observation of alpha particle loss induced by kinetic ballooning modes in TFTR deuterium-tritium experiments

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