Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2007-07-31
Physics
High Energy Physics
High Energy Physics - Phenomenology
Talk given at XLI Winter School PNPI, Repino, 19-25 February, 2007
Scientific paper
Considering very high energy peripheral electron-hadron scattering with a production of hadronic state X moving closely to the direction of initial hadron the Weizs\"acker-Williams like expression, relating the difference of q^2-dependent differential cross-sections of DIS processes to the convergent integral over the difference of the total hadron photo-production cross-sections on hadros, is derived. Then, exploiting analytic properties of the forward retarded Compton scattering amplitude on the same hadrons, first, the sum rules are derived bringing into relation hadron electromagnetic form factors with the difference of the q^2-dependent differential cross-sections of DIS, then using Weizs\"acker-Williams like expression and taking the derivative of both sides according to ${\bf q^2}$ for ${\bf q^2} \to 0$ one comes to new universal hadron sum rules relating hadron static parameters to the convergent integral over the difference of the total hadron photo-production cross-sections on hadrons.
Bartos E.
Dubnicka Stanislav
Dubnickova Anna Zuzana
Kuraev Eduard A.
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