Temp

Constant Wavelength X-ray GSAS Profile Type 3

GU = Gaussian U term	GV = Gaussian V term	GW = Gaussian W term
GP = Gaussian crystallite size broadening	LX = Lorentzian crystallite size broadening	LY = Lorentzian strain broadening
S/L = Finger-Cox Axial Divergence S term	H/L = Finger-Cox Axial Divergence H term	trns = sample transparency
shft = sample displacement	stec = anisotropic strain	ptec = anisotropic crystallite size
sfec = sublattice anisotropic broadening (stacking faults)	LXX = microstrain anisotropy	LYY = microstrain anisotropy

Constant Wavelength X-ray GSAS Profile Type 4

GU = Gaussian U term	GV = Gaussian V term	GW = Gaussian W term
GP = Gaussian crystallite size broadening	LX = Lorentzian crystallite size broadening	ptec = anisotropic crystallite size
trns = sample transparency	shft = sample displacement	sfec = sublattice anisotropic broadening (stacking faults)
S/L = Finger-Cox Axial Divergence S term	H/L = Finger-Cox Axial Divergence H term	eta = mixing factor, from Gaussian (0) to Lorentzian (1)
SXXX = Stephens anisotropic microstrain broadening	SYYY = Stephens anisotropic microstrain broadening	SZZZ = Stephens anisotropic microstrain broadening