NONE: | No Auxiliary heating |

NB: | Neutral Beam Injection |

IC: | Ion Cyclotron Resonance Heating |

EC: | Electron Cyclotron Resonance Heating |

NBIC: | Combined NBI + ICRH |

LH: | Lower hybrid |

IBW: | Ion Bernstein Waves. |

OHM : | Ohmic |

L : | L-mode |

LHLHL : | H-mode with frequent L H transitions |

H : | ELM-free H-mode |

HSELM : | H-mode with small ELMs |

HGELM : | H-mode with large ELMs |

HGELMH : | H-mode with high frequency large ELMs |

VH : | VH-mode |

PEP : | PEP mode |

STEADY : | All global paramaters are in steady state |

TRANS : | At least one parameter is evolving |

NONE : | No pellets |

H : | Hydrogen pellet(s) |

D: | Deuterium pellet(s) |

LI: | Lithium pellet(s) |

A pellet table format is as follows:

Time (s) | #Particles (10^{19}) | Speed (km/s) | Composition |

10.3 | 145 | 1.2 | LI |

RGEO $ 3 $ m $ geometric axis $ The plasma geometrical major radius in meters, from an MHD equilibrium fit, defined as the average of the minimum and the maximum radial extent of the plasma at the elevation of the magnetic axis.

Normal level of accuracy is ASDEX (± 0.5%), D3D (± 0.6%) JET (± 1%), JFT2M (± 0.75%), PBXM (± 0.65%), PDX (± 0.75%). RMAG $ 3 $ m $ magnetic axis $ The major radius of the magnetic axis in meters from an MHD equilibrium fit or a formula based on a number of equilibria (ASDEX).

Normal level of accuracy is ASDEX (± 0.5%), D3D (± 1%), JET (± 2%), JFT2M (±2%), PBXM (± 1%), PDX (± 4%). AMIN $ 3 $ m $ minor radius $ The horizontal plasma minor radius in meters from an MHD equilibrium fit or a formula based on a number of equilibria (ASDEX).

Normal level of accuracy is ASDEX (± 1%), D3D (± 0.5%), JET (± 3%), JFT2M (± 3%), PBXM (± 3%), PDX (± 3%). SEPLIM $ 3 $ m $ minimum separation between separatrix and limiter/wall $ The minimum distance between the separatrix flux surface and either the vessel wall or limiters in meters from an MHD equilibrium fit or a formula based on a number of equilibria (ASDEX).

Normal level of accuracy is ASDEX (± 1 cm), D3D (± 0.5 cm), JET (± 1 cm), JFT2M (± 1 cm), PBXM (± 0.5 cm), PDX (± 1 cm). XPLIM $ 3 $ m $ minimum separation between Xpoint and limiter/wall $ The minimum distance between the X-point and either the vessel walls or limiters in meters from an MHD equilibrium fit. The value is positive if X-point is inside either the vessel wall or limiters.

Normal level of accuracy is ASDEX (Na), D3D (± 3 cm), JET (± 5 cm), JFT2M (± 3 cm), PBXM (± 5 cm), PDX (± 5 cm). KAPPA $ 3 $ $ plasma elongation $The plasma elongation determined from an MHD equilibrium fit or a formula based on a number of equilibria (ASDEX). Normal level of accuracy is ASDEX (± 1%), D3D (± 1%), JET (± 5%), JFT2M (± 10%), PBXM (± 10%), PDX (k = 1 for all records, ± 10%). DELTA $ 3 $ $ triangularity $ The triangularity of the plasma boundary from an MHD equilibrium fit.

Normal level of accuracy is ASDEX (Na), D3D (± 10%), JET (±10%), JFT2M (± 10%), PBXM (± 25%), PDX (Na). INDENT $ 3 $ m $ indentation $ Indentation of the plasma determined from an MHD equilibrium fit.

Normal level of accuracy is ASDEX (Na), D3D (Na), JET (Na), JFT2M (Na), PBXM (± 15%), PDX (Na). AREA $ 3 $ m^2 $ poloidal cross sectional area $ Area of plasma cross section in m

Normal level of accuracy is ASDEX (± 3%), D3D (± 3%),JET (± 6%), JFT2M (± 5%), PBXM (± 10%), PDX (±5%). VOL $ 3 $ m^3 $ plasma volume $ The plasmas volume in m

Normal level of accuracy is ASDEX (± 3%), D3D (± 3%),JET (± 6%), JFT2M (± 5%), PBXM (± 10%), PDX (±5%). CONFIG $ 1 $ $ limiter/divertor configuration $ The plasma configuration. Possible values are: SN for single null, DN for double null, IW for inner wall or TOP,BOT, OUT, IN for a limiter.

ASDEX: | DN if vertical shift DZis less than 5 mm, otherwise SN. |

D3D: | DN if two nulls and the separatrix flux surface are inside the divertor tiles and on the same flux surface within 0.25 cm. |

JET: | Determined by operation session leader. |

JFT2M: | DN if two nulls are inside the limiter. |

PBXM: | Only DN |

PDX: | Only SN |

Normal level of accuracy is ± 1% for all machines. IP $ 3 $ A $ plasma current $ The plasma current in amperes determined from an external Rogowski loop with vessel current subtraction. Normally negative values for JET. Positive values for JET indicate operation with reversed current.

Normal level of accuracy is ASDEX (± 2%), D3D (± 1%),JET (± 1%), JFT2M (± 1%), PBXM (±1%), PDX (± 1%). VSURF $ 3 $ V $ loop voltage $ The loop voltage at the plasma boundary in volts.

Normal level of accuracy is ASDEX (± 5%), D3D (Na),JET (± 5%), JFT2M (± 5%), PBXM (±50%), PDX (± 10%). Q95 $ 3 $ $ safety factor at 95% poloidal flux $ The plasma safety factor from an MHD equilibrium fit evaluated at the flux surface that encloses 95% of the total poloidal flux. For ASDEX Q95 = q

Normal level of accuracy is ASDEX (± 15%), D3D (± 3%),JET (± 10%), JFT2M (± 10%) PBXM(±10%), PDX (± 10%). BEPMHD $ 3 $ $ poloidal beta $ Poloidal beta computed from the MHD equilibrium fit. For ASDEX BEPMHD equals BEIMHD.

Normal level of accuracy is ASDEX (± 15%), D3D (± .05), JET (Na), JFT2M (± 15%), PBXM (± 20%),PDX (± 20%). BETMHD $ 3 $ $ toroidal beta $ Toroidal beta computed from the MHD equilibrium fit.

Normal level of accuracy is ASDEX (± 18%), D3D (±0.05/b

For JET NEL has been approximated by:

ohmic: NEL ~ exp {2.931 +0.873 log (NEV) + 0.064 log (NEØ)}

H-mode: NEL ~ exp {3.745 +0.825 log (NEV) + 0.092 log (NEØ)} If no measurement is available, the variable NELFORM indicates if NEL is measured or approximated.

Normal level of accuracy is ASDEX (± 2%), D3D (± 2 x 10

Normal level of accuracy is similar to NEL. ZEFF $ 3 $ $line averaged effective charge $ Line average plasma effective charge determined from visible bremsstrahlung.

Normal level of accuracy is ASDEX (± 10%), D3D (± 20%), JET (± 30%). JFT2M, PBXM, PDX: Na. PRAD $ 3 $ W $ radiated power $ Total radiated power in watts as measured by Bolometer.

Normal level of accuracy is ASDEX (± 20%), D3D (± 15%), JET (± 10 15%), JFT2M (± 10 - 20%), PBXM (± < 25%), PDX (Na). POHM $ 3 $ W $ Ohmic power $ Total ohmic power in watts.

ASDEX: | Determined from max {0, VSURF*IP}, (Ohmic: ± 5% H: ± 50%). |

D3D: | Calculated using CB_{10}I_{p}^{2}RGEO^{2}/(W_{T}n_{e}). B_{10} is the central visible bremsstrahlung signal. When n_{e }is determined from the radial (vertical) CO_{2}chord, C is equal to 1.03*10^{-19} (9.92*10^{-20}) (± 15%). |

JET: | Corrected for inductance effects (± 20%). |

JFT2M: | Calculated as VSURF*IP (± 10%). |

PBXM: | Calculated as VSURF*IP (± 50%). |

PDX: | Calculated using VSURF and IP corrected for inductance effects (± 20%). |

Normal level of accuracy is ASDEX (± 0.2 KV),D3D (± 10%), JET (± 12%), JFT2M (±5%), PBXM (± 15%), PDX (± 15%). PINJ $ 3 $ W $ power injected by main neutral beam $ The injected neutral beam power with beam of (BGASA, BGASZ) that passes into the torus in watts. Zero if no beams are on. Notice total injected neutral beam power is PINJ + PINJ2.

Normal level of accuracy is ASDEX (± 10%), D3D (± 10%), JET (± 6%), JFT2M (± 5%), PBXM (±5%), PDX (± 10%). BSOURCE $ 2 $ $ main beam power fractions F1*10000+F2*100+F3 (F1 F2 F3 all to nearest %) $ The power fractions injected by neutral beam eg P

Normal level of accuracy is JET (± 6%). ASDEX, D3D, JFT2M, PBXM, PDX: Na. BSOURCE2 $ 2 $ $ auxiliary beam power fractions F1*10000+F2*100+F3 (F1 F2 F3 all to nearest %) $ The power fractions injected by neutral beam with the second source (JET only). For 89-90 data the possibilities for BSOURCE and BSOURCE2 are 781606 for 80kV D, 652114 for 140kV D, 990000 for

Normal level of accuracy is ASDEX (± 10%),D3D (± 10%), JET (± 10%), JFT2M (<± 10%), PBXM (± 10%), PDX (± 10%). ECHFREQ $ 3 $ Hz $ ECH frequency $ ECH frequency in Hz ECHMODE $ 1 $ $ mode of ECH waves $ Mode of ECH waves, O is ordinary and X is extraordinary. ECHLOC $ 1 $ $ ECH launch location $ Location of ECH launch, IN identifies waves launched from the high field side or inside of the vessel and OUT is from the low field side. PECH $ 3 $ W $ ECH power coupling to plasma $ ECH power in watts coupled to the plasma. Zero if no ECH is applied.

Normal level of accuracy is D3D (± 10%). ASDEX, JET, JFT2M,PBXM, PDX: Na. ICFREQ $ 3 $ Hz $ ICRH frequency $ Frequency of ICRH waves in Hz. ICSCHEME $ 1 $ $ ICRH heating scheme $ ICRH heating scheme. Possible Values: HMIN for H minority, HE3MIN for

Normal level of accuracy is JET (± 10%). ASDEX, D3D, JFT2M, PBXM, PDX: Na. LHFREQ $ 3 $ Hz $ LH frequency $ Frequency of LH waves in Hz. LHNPAR $ 3 $ $ LH parallel mode number $ LH parallel mode number. PLH $ 3 $ W $ LH power coupling to plasma $ LH power in watts coupled to the plasma. Zero if no LH is applied. IBWFREQ $ 3 $ Hz $ IBW frequency $ Frequency of IBW in Hz. PIBW $ 3 $ W $ IBW power coupling to plasma $ IBW power in watts coupled to the plasma. Zero if no IBW is applied. TE0 $ 3 $ eV $ central Te $ The electron temperature at the magnetic axis in eV.

ASDEX: | From 16 radial YAG measurements under the same profile assumptions as for TEV (± 10%). |

D3D: | Determined by a spline temperature profile fit to the Thomson scattering data (± 10%). |

JET: | From ECE temperature profile (± 10%). |

JFT2M, PBXM, PDX: | Na. |

D3D: | Determined by a spline temperature profile fit to the charge exchange recombination data (± 10%). |

JET: | From Crystal X-ray diagnostic (±10%) or from charge exchange recombination spectroscopy (± 10%). |

ASDEX, JFT2M, PBXM, PDX: | Na. |

If WFPER and WFPAR are available WFANI = WFPER/(WFPER + WFPAR), otherwise:

ASDEX: | From regression analysis based on 176 FREYA runs: C NEL ^{0.04}(NE0(ZEFF-1))^{0.045}/ENBI^{0.14} for H beam and C'NEL^{0.12}(NE0(ZEFF-1))^{0.020}/ENBI^{0.14} for D beam where C and C' are estimated constants depending on the target gas. Missing central densities are interpolated by regression of the available central densities in the database against IP, BT, NEL, NEV, EVAP and PINJ. If not measured, ZEFF is assumed to be 3 for EVAP=NONE, 2.5 for carbonised shots and 1.5 for boronised shots. |

D3D: | The fast ion anisotropy is calculated only from geometry; the angles of the beam center line are known relative to the geometric axis of the tokamak and from this the perpendicular and parallel components can be determined. |

JET: | 1.16*10^{-2}NEL^{0.11}/ENBI^{0.07}. |

Normal level of accuracy is JET (± 50%). ASDEX, D3D, JFT2M, PBXM, PDX: Na MEFF $ 3 $ amu $ effective atomic mass number $ Effective atomic mass in AMU.

= 0.5 (PGASA + 0.5 (BGASA + BGASA2)) if PINJ > 0 and PINJ2 > 0.

= 0.5 (PGASA + BGASA) if only PINJ > 0.

= PGASA otherwise

(A few ohmic observations from JET have PABS<3 kW. For these observations MEFF = PGASA). ISEQ $ 1 $ $ parameter scan identifier $ Parameter scan identifier

Possible options for ASDEX are:

ISEQ | Explanation |

NONE | No particular scan |

G1 | Comparison shots for Helium program |

NE1 | Density variation |

HT1 | Search for high confinement times |

EF11 | Search for long ELM-free periods |

SP11 | Spectroscopic investigations |

HBE1 | High beta investigations, T_{i} profile measurements |

HBE2 | High beta investigations, T_{i} profile measurements |

HBE3 | High beta investigations, T_{i} profile measurements |

P1 | PNBI scan |

P2 | PNBI scan |

QC1P3 | QCYL and PNBI scan |

BT1 | BT scan |

BT2 P4 | BT and PNBI scan |

BT3 | BT scan |

BT4 | BT scan |

BT5 | BT scan |

BT6 | BT scan |

BT7 | BT scan |

Possible options for JFT2M are:

ISEQ | Explanation |

NONE | No particular scan |

AM1 | AMIN scan with Ip = 0.22MA (same Q95) |

IP1 | 1st Ip scan with Bt = 1.25T |

IP2 | 2nd Ip scan (Hydrogen) |

IP3 | 3rd Ip scan (Deuterium) |

BS1 | Scan of 801010 (CO or CTR) and 603010 (CO or CTR) |

BT1 | Bt scan with Ip = 0.16MA |

BT2 | Bt scan with Ip = 0.21MA |

EB1 | ENBI scan with BSOURCE = 603010 |

EB2 | ENBI scan with BSOURCE = 801010 |

G1 | Intense gas puff for comparison with H pellet H mode |

G2 | Intense gas puff for comparison with D pellet H mode |

G3IP2 | 2nd Ip scan (Hydrogen) with intense gas puffing |

G4IP3 | 3rd Ip scan (Deuterium) with intense gas puffing |

IE1 | IEML and PNBI scan looking for steady state H mode region |

P1 | PNBI scan by CO or CTR with Ip = 0.25MA |

P2 | PNBI scan by CO + CTR with Ip = 0.24MA |

P3IP4NE1 | PNBI , IP and NEL scan in Hydrogen plasma |

P4IP5NE2 | PNBI , IP and NEL scan in Deuterium plasma |

PE1 | Hydrogen pellet into Hydrogen plasma |

PE2 | Deuterium pellet into Deuterium plasma |

XP1 | XPLIM scan with Ip = 0.24MA |

No options available for D3D, JET, PBXM and PDX. WTH $ 3 $ J $ thermal plasma energy content $ Estimated thermal plasma energy content in Joules.

ASDEX: WTH = WDIA - 1.5*WFANI*WFFORM.

D3D: WTH = WMHD - WFFORM.

JET: WTH = WDIA - 1.5 (WFPER + WFICRH). If WFPER is missing WFPER is replaced by WFANI* WFFORM.

JFT2M: WTH = WDIA/3 + 2*WMHD/3 - WFFORM.

PBXM: WTH = WMHD - 0.75*WFPER - 1.5*WFPAR.

PDX: WTH = WMHD - 0.75*WFPER - 1.5*WFPAR.

ASDEX, D3D, JET, JFT2M, PBXM, PDX: Co. WTOT $ 3 $ J $ total plasma energy content $Estimated total plasma energy content in Joules.

ASDEX: WTOT = WTH + WFFORM.

D3D: WTOT = WMHD

JET: WTOT = WTH + WFPER + WFPAR + WFICRH.

If WFPER and WFPAR are missing they are replaced by WFFORM.

JFT2M: WTOT = WTH + WFFORM

PBXM: WTOT = WTH + WFPER + WFPAR

PDX: WTOT = WTH + WFPER + WFPAR

ASDEX, D3D, JET, JFT2M, PBXM, PDX: Co. DWTOT $ 3 $ Js^-1 $ time derivative of total plasma energy content $ Time rate of change of WTOT in Joules / s . PL $ 3 $ W $ uncorrected loss power $ Estimated Loss Power not corrected for charge exchange and unconfined orbit losses in watts.

ASDEX: PL = POHM + PNBI - DWDIA/3 - 2*DWMHD/3

D3D: PL = POHM + PNBI + PECH - DWMHD

JET: PL = POHM + PNBI + PICRH - DWDIA

JFT2M: PL = POHM + PNBI - DWDIA

PBXM: PL = POHM + PNBI - DWMHD

PDX: PL = POHM + PNBI - DWMHD

ASDEX, D3D, JET, JFT2M, PBXM, PDX: Co.

PLTH $ 3 $ W $ loss power with correction for cx and orbit losses $ Estimated Loss Power corrected for charge exchange and unconfined orbit losses in Watts, i.e. PLTH = PL - PFLOSS.

ASDEX, D3D, JET, JFT2M, PBXM, PDX: Co. TAUTOT $ 3 $ s $ total energy confinement time $ Estimated total energy confinement time (WTOT/PLTH) in seconds. TAUTH $ 3 $ s $ thermal energy confinement time $ Estimated thermal energy confinement time (WTH/PLTH) in seconds.