Description of elastic vectormeson production and F-2 by two pomerons

Authors
Citation
M. Rueter, Description of elastic vectormeson production and F-2 by two pomerons, NUCL PH B-P, 74, 1999, pp. 117-120
Citations number
37
Categorie Soggetti
Physics
Journal title
NUCLEAR PHYSICS B-PROCEEDINGS SUPPLEMENTS
ISSN journal
09205632 → ACNP
Volume
74
Year of publication
1999
Pages
117 - 120
Database
ISI
SICI code
0920-5632(199903)74:<117:DOEVPA>2.0.ZU;2-N
Abstract
Using the Model of the Stochastic Vacuum many diffractive processes have be en calculated by investigating the dipole-dipole scattering at a cm-energy of 20 GeV. In this work we extend the calculation to larger energies and sm all dipoles. We assume that there are two pomerons, the hard- and the soft- pomeron, which cause the different energy dependence for processes dominate d by small or large dipoles. The physical processes are obtained by smearin g the dipole-dipole amplitude with wavefunctions. For small dipoles the lea ding perturbative contribution is taken into account. By that way we can de scribe in addition to the already calculated low energy results (20 GeV) al so the HERA data for the considered processes in nearly the whole energy an d Q(2) range.