Massive c\bar c g - Calculation in Diffractive DIS and Diffractive D^* - Production at HERA

Details Massive c\bar c g - Calculation in Diffractive DIS and Diffractive D^* - Production at HERA Massive c\bar c g - Calculation in Diffractive DIS and Diffractive D^* - Production at HERA

2002-04-23

arxiv.org/abs/hep-ph/0204269v1

Eur.Phys.J.C24:555-560,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 5 figures

Scientific paper

10.1007/s10052-002-0991-1

We calculate the cross section for $c\bar{c}g$-production in diffractive DIS with finite quark masses at zero momentum transfer $t$. The calculation is done in the leading log(1/$x_{P}$) approximation and is valid in the region of high diffractive masses $M$ (small $\beta$). We apply our cross section formula including both $c{\bar c}$- and $c\bar{c}g$ in a Monte Carlo simulation to diffractive $D^{*\pm}$ meson production at HERA. We compare our predictions to results of H1 using three parameterizations for the unintegrated gluon density.

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