HEPData Observbles

Observablesxnames (to be used with differential distributions)
ObservableDescriptionxnamedescription
SIGintegrated cross section M
MT
E
ET
EKIN
P
PT
PL
XL
XT
XR
THETA
OMEGA
PHI
T
TP
YRAP
DYRAP
ETARAP
S
W
CENTRALITY

THRUST
MINOR
MAJOR
PLANARITY
APLANARITY
OBLATENESS
SPHERICITY
HEAVY-JET-MASS
LIGHT-JET-MASS
WIDE-JET-BROADENING
TOTAL-JET-BROADENING
C-PARAMETER
D-PARAMETER
mass
transverse mass
energy
transverse energy
kinetic energy
momentum
transverse momentum
longitudinal momentum
Feynman X
transverse X
longitudinal X
polar angle
solid angle
azimuthal angle
momentum transfer
momentum transfer prime
rapidity
rapidity difference
pseudorapidity
invariant mass squared
energy of system of particles
centrality

THRUST
MINOR
MAJOR
PLANARITY
APLANARITY
OBLATENESS
SPHERICITY
HEAVY-JET-MASS
LIGHT-JET-MASS
WIDE-JET-BROADENING
TOTAL-JET-BROADENING
C-PARAMETER
D-PARAMETER
SIG/SIG, RATIO, N/N
ratio of cross sections/distributions....more
DSIG/Dxname
single differential cross section....more
D2SIG/Dxname1/Dxname2double differential cross section
D3SIG/Dxname1/Dxname2/Dxname3triple differential cross section
E*D3SIG/DP**3invariant cross section
Nnumber of events
DN/Dxnamesingle differential distribution
D2N/Dxname1/Dxname2double differential distribution
D3N/Dxname1/Dxname2/Dxname3triple differential cross distribution
POL, POL.POL, POL.POL.POLsingle, double and triple spin polarisations
ASYMasymmetry measurement
F2, XF3, FLstructure functions
MULT, DISPERSION, MULT2 etc..multiplicity measurments
A1, A2, G1, G2spin asymmetries and structure functions
V1, V2,... V11, V22.. etc...azimuthal asymmetries
ACC, EFFacceptance, efficiency
CORR, RCORRcorrelation
RHOdensity matrix element
SLOPE, POWERexponential slope/power of a fit
ALPHAS, SIN2TWalpha_s, sin^2(theta-w)
FORMFACTORForm Factor
RAA, RPA, RPPnuclear modification factor
LEG, LEGN, LEGP, LEGPNLegendre Coefficients
YLM Ylm moment
AMP, PHASE amplitude, phase