Diffractive Factorization - a Simple Field Theory Model for $F_2^{diff}(βx_{\pom}, Q^2; x_{\pom},t)$

Details Diffractive Factorization - a Simple Field Theory Model for $F_2^{diff}(βx_{\pom}, Q^2; x_{\pom},t)$ Diffractive Factorization - a Simple Field Theory Model for $F_2^{diff}(βx_{\pom}, Q^2; x_{\pom},t)$

1996-06-26

arxiv.org/abs/hep-ph/9606448v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages, talk at DIS-96, Rome, Italy

Scientific paper

Operator definitions of diffractive parton distribution functions are given. A distinction is made between the special case of ``Regge factorization'' to the general case of ``diffractive factorization'' with explicit expressions for $F_2^{diff}(\beta x_{\pom}, Q^2;x_{\pom},t)$ in both cases. A calculation from a simple field theory model is presented in the style of ``constituent counting rules'' for the behavior of the diffractive parton distribution functions when $\beta \rightarrow 1$, which corresponds to when the detected parton carries almost all of the longitudinal momentum transferred from the scattered hadron. A comment is made about the consistency of the model with the observed flattening of $n(\beta)$ as $\beta \rightarrow 1$, which recently was reported by the H1-collaboration from their preliminary 1994 data.

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