Changes

where <math>\alpha_R</math> is the intercept of the Regge trajectory for exchange particle ''R'', and <math>b_R</math> is the forward t-slope parameter for exchange trajectory ''R'' at this value of ''s''.  Appending these factors to the above expression for the differential cross section, inside the sum over exchanges ''R'', would allow data from all bins in ''s'' and ''t'' to be fitted in a single global fit.

where <math>\alpha_R</math> is the intercept of the Regge trajectory for exchange particle ''R'', and <math>b_R</math> is the forward t-slope parameter for exchange trajectory ''R'' at this value of ''s''.  Appending these factors to the above expression for the differential cross section, inside the sum over exchanges ''R'', would allow data from all bins in ''s'' and ''t'' to be fitted in a single global fit.

=== Summing over polarizations ===

=== Summing over photon polarization ===

The T Matrix, written in the photon reflectivity basis can be expanded in the photon's lab frame helicity basis. Temporarily omitting indices not pertaining to the photon:

The T Matrix, written in the photon reflectivity basis can be expanded in the photon's lab frame helicity basis. Temporarily omitting indices not pertaining to the photon: