Relativistic heavy-ion collisions in the dynamical string-parton model - art. no. 024902

Citation
De. Malov et al., Relativistic heavy-ion collisions in the dynamical string-parton model - art. no. 024902, PHYS REV C, 6302(2), 2001, pp. 4902
Citations number
52
Language
INGLESE
art.tipo
Article
Categorie Soggetti
Physics
Journal title
PHYSICAL REVIEW C
ISSN journal
0556-2813 → ACNP
Volume
6302
Issue
2
Year of publication
2001
Database
ISI
SICI code
0556-2813(200102)6302:2<4902:RHCITD>2.0.ZU;2-Q
Abstract
We develop and extend the dynamical string parton model. This model, which is based on the salient features of QCD, uses classical Nambu-Goto strings with the endpoints identified as partons, an invariant string breaking mode l of the hadronization process, and interactions described as quark-quark i nteractions. In this work, the original model is extended to include a phen omenological quantization of the mass of the strings, an analytical techniq ue for treating the incident nucleons as a distribution of string configura tions determined by the experimentally measured structure function. the inc lusion of the gluonic content of the nucleon through the introduction of pu rely gluonic strings, and the use of a hard parton-parton interaction taken from perturbative QCD combined with a phenomenological soft interaction. T he limited number of parameters in the model are adjusted to e(+)e(-) and p -p data. Utilizing these parameters, the first calculations of the model fo r p-A and A-A collisions are presented and found to be in reasonable agreem ent with a broad set of data.