Tritium particle transport experiments on TFTR during D-T operation

P. C. Efthimion; L. C. Johnson; J. D. Strachan; E. J. Synakowski; M. Zarnstorff; H. Adler; C. Barnes; R. V. Budny; F. C. Jobes; M. Louglin; D. McCune; D. Mueller; A. T. Ramsey; G. Rewoldt; A. L. Roquemore; W. M. Tang; G. Taylor

doi:10.1103/PhysRevLett.75.85

Tritium particle transport experiments on TFTR during D-T operation

P. C. Efthimion
, L. C. Johnson
, J. D. Strachan
, E. J. Synakowski
, M. Zarnstorff
, H. Adler
, C. Barnes
, R. V. Budny
, F. C. Jobes
, M. Louglin
, D. McCune
, D. Mueller
, A. T. Ramsey
, G. Rewoldt
, A. L. Roquemore
, W. M. Tang
, G. Taylor

Department of Physics

Princeton Plasma Physics Laboratory

Research output: Contribution to journal › Article › peer-review

32 Scopus citations

Abstract

The td,nα and d(d,n)3He neutron emissivity profiles are measured in a deuterium neutral-beam-heated plasma where a small amount of tritium (T) gas has been puffed. The tritium density is inferred from the neutron emissivities, and transport coefficients (D,V) are determined. The particle diffusivities of T and 4He and the thermal diffusivity are similar in magnitude and profile shape. The convective velocity is small for r/a<0.6, and is anomalous for r/a>0.6. These are the first measurements of D and V for a hydrogen isotope in a tokamak plasma.

Original language	English
Pages (from-to)	85-88
Number of pages	4
Journal	Physical Review Letters
Volume	75
Issue number	1
DOIs	https://doi.org/10.1103/PhysRevLett.75.85
State	Published - 1995

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10.1103/PhysRevLett.75.85

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Efthimion, P. C., Johnson, L. C., Strachan, J. D., Synakowski, E. J., Zarnstorff, M., Adler, H., Barnes, C., Budny, R. V., Jobes, F. C., Louglin, M., McCune, D., Mueller, D., Ramsey, A. T., Rewoldt, G., Roquemore, A. L., Tang, W. M., & Taylor, G. (1995). Tritium particle transport experiments on TFTR during D-T operation. Physical Review Letters, 75(1), 85-88. https://doi.org/10.1103/PhysRevLett.75.85

@article{542069a752af47dea0877d66753d218c,

title = "Tritium particle transport experiments on TFTR during D-T operation",

abstract = "The td,nα and d(d,n)3He neutron emissivity profiles are measured in a deuterium neutral-beam-heated plasma where a small amount of tritium (T) gas has been puffed. The tritium density is inferred from the neutron emissivities, and transport coefficients (D,V) are determined. The particle diffusivities of T and 4He and the thermal diffusivity are similar in magnitude and profile shape. The convective velocity is small for r/a<0.6, and is anomalous for r/a>0.6. These are the first measurements of D and V for a hydrogen isotope in a tokamak plasma.",

author = "Efthimion, \{P. C.\} and Johnson, \{L. C.\} and Strachan, \{J. D.\} and Synakowski, \{E. J.\} and M. Zarnstorff and H. Adler and C. Barnes and Budny, \{R. V.\} and Jobes, \{F. C.\} and M. Louglin and D. McCune and D. Mueller and Ramsey, \{A. T.\} and G. Rewoldt and Roquemore, \{A. L.\} and Tang, \{W. M.\} and G. Taylor",

year = "1995",

doi = "10.1103/PhysRevLett.75.85",

language = "English",

volume = "75",

pages = "85--88",

number = "1",

}

Efthimion, PC, Johnson, LC, Strachan, JD, Synakowski, EJ, Zarnstorff, M, Adler, H, Barnes, C, Budny, RV, Jobes, FC, Louglin, M, McCune, D, Mueller, D, Ramsey, AT, Rewoldt, G, Roquemore, AL, Tang, WM & Taylor, G 1995, 'Tritium particle transport experiments on TFTR during D-T operation', Physical Review Letters, vol. 75, no. 1, pp. 85-88. https://doi.org/10.1103/PhysRevLett.75.85

TY - JOUR

T1 - Tritium particle transport experiments on TFTR during D-T operation

AU - Efthimion, P. C.

AU - Johnson, L. C.

AU - Strachan, J. D.

AU - Synakowski, E. J.

AU - Zarnstorff, M.

AU - Adler, H.

AU - Barnes, C.

AU - Budny, R. V.

AU - Jobes, F. C.

AU - Louglin, M.

AU - McCune, D.

AU - Mueller, D.

AU - Ramsey, A. T.

AU - Rewoldt, G.

AU - Roquemore, A. L.

AU - Tang, W. M.

AU - Taylor, G.

PY - 1995

Y1 - 1995

N2 - The td,nα and d(d,n)3He neutron emissivity profiles are measured in a deuterium neutral-beam-heated plasma where a small amount of tritium (T) gas has been puffed. The tritium density is inferred from the neutron emissivities, and transport coefficients (D,V) are determined. The particle diffusivities of T and 4He and the thermal diffusivity are similar in magnitude and profile shape. The convective velocity is small for r/a<0.6, and is anomalous for r/a>0.6. These are the first measurements of D and V for a hydrogen isotope in a tokamak plasma.

AB - The td,nα and d(d,n)3He neutron emissivity profiles are measured in a deuterium neutral-beam-heated plasma where a small amount of tritium (T) gas has been puffed. The tritium density is inferred from the neutron emissivities, and transport coefficients (D,V) are determined. The particle diffusivities of T and 4He and the thermal diffusivity are similar in magnitude and profile shape. The convective velocity is small for r/a<0.6, and is anomalous for r/a>0.6. These are the first measurements of D and V for a hydrogen isotope in a tokamak plasma.

UR - https://www.scopus.com/pages/publications/0009487760

UR - https://www.scopus.com/pages/publications/0009487760#tab=citedBy

U2 - 10.1103/PhysRevLett.75.85

DO - 10.1103/PhysRevLett.75.85

M3 - Article

AN - SCOPUS:0009487760

SN - 0031-9007

VL - 75

SP - 85

EP - 88

JO - Physical Review Letters

JF - Physical Review Letters

IS - 1

ER -

Tritium particle transport experiments on TFTR during D-T operation

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