On Factorization, Quark Counting, and Vector Dominance

Details On Factorization, Quark Counting, and Vector Dominance On Factorization, Quark Counting, and Vector Dominance

2001-11-05

arxiv.org/abs/hep-ph/0111046v2

Eur.Phys.J.C23:329-335,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

Latex2e, 11 pages, 6 postscript figures, uses epsfig.sty. Version to be published in Eur. Phys. Jour. C

Scientific paper

10.1007/s100520100885

Using an eikonal structure for the scattering amplitude, Block and Kaidalov have derived factorization theorems for nucleon-nucleon, $\gamma p$ and $\gamma\gamma$ scattering at high energies, using only some very general assumptions. We present here an analysis giving experimental confirmation for factorization of cross sections, nuclear slope parameters B and $\rho$-values (ratio of real to imaginary portion of forward scattering amplitudes), showing that: i) the three factorization theorems hold, ii) the additive quark model holds to ~1%, and iii) vector dominance holds to better than ~4%.

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