Observables  xnames (to be used with differential distributions)  

  an xname prefixed with 'D' signifies a difference in two variables (eg DYRAP)  
Observable  Description  xname  description 
SIG 
integrated cross section....more

M
MT E ET EKIN P PT, PT**2 PL XL XT X THETA OMEGA PHI T TP YRAP ETARAP S W Q, Q**2 Y Z CENTRALITY THRUST MINOR MAJOR SPHERICITY PLANARITY APLANARITY OBLATENESS HEAVYJETMASS LIGHTJETMASS WIDEJETBROADENING TOTALJETBROADENING CPARAMETER DPARAMETER PTIN PTOUT 
mass transverse mass energy transverse energy kinetic energy momentum transverse momentum (squared) longitudinal momentum Feynman X transverse X X (in DIS) polar angle solid angle azimuthal angle momentum transfer momentum transfer prime rapidity pseudorapidity invariant mass squared energy of system of particles virtual momentum transfer (squared) inelasticity (in DIS) energy/momentum fraction centrality JET SHAPES thrust thrust minor thrust major sphericity planarity aplanarity oblateness heavy jet mass light jet mass wide jet broadening total jet broadening Cparameter Dparameter momentum projection in the event plane momentum projection transverse to the event plane 
SIG/SIG, RATIO, N/N 
ratio of cross sections/distributions....more


DSIG/Dxname  single differential cross section  
D2SIG/Dxname/Dxname  double differential cross section  
D3SIG/Dxname/Dxname/Dxname  triple differential cross section  
E*D3SIG/DP**3  invariant cross section  
N  number of events  
DN/Dxname  single differential distribution  
D2N/Dxname/Dxname  double differential distribution  
D3N/Dxname/Dxname/Dxname  triple differential cross distribution  
MULT, DISPERSION, MULT2 etc.. 
multiplicity measurements....more
 
POL, POL.POL, POL.POL.POL  single, double and triple spin polarisations  
ASYM  asymmetry measurement  
F1, F2, XF3, FL  structure functions  
A1, A2, G1, G2  spin asymmetries and structure functions  
V1, V2, V3, V4, V5, V6  azimuthal asymmetries (Fourier Coefficients)  
V11, V22, V33, V44, V55, V66  azimuthal asymmetries (Fourier Coefficients)  
ACC, EFF  acceptance, efficiency measurements  
CLS  confidence limits  
WIDTH  Measurement of a width  
RCORR, CORR  (ratio of) correlation measurements  
EEC, AEEC  energyenergy correlation and its asymmetry  
PSI  Jet Shape (integrated)  
RHO 
density matrix element....more


POL.RHO 
density matrix element with a ....more


SLOPE, POWER  exponential slope/power of a fit  
ALPHAS, SIN2TW  alphas, sin^2(thetaw)  
GA, GV  axialvector couplings  
FORMFACTOR  Form Factor measurements  
CONST  Measurement of a physical constant  
RAA, RPA, RCP  nuclear modification factors  
LEG, LEGN, LEGP, LEGPN 
Legendre Coefficients (somewhat historical)....more


YLM  Ylm moment (somewhat historical)  
AMP, REAMP/IMAMP, PHASE  amplitude, real/imaginary ratio, phase (somewhat historical) 