6533b830fe1ef96bd1297d34

RESEARCH PRODUCT

Heavy ion collision multiplicities and gluon distribution functions

Kimmo TuominenKari J. EskolaKari J. EskolaK. Kajantie

subject

PhysicsNuclear and High Energy PhysicsParticle physics010308 nuclear & particles physicsHigh Energy Physics::PhenomenologyPerturbative QCDFOS: Physical sciencesMultiplicity (mathematics)Collision01 natural sciencesGluonTransverse planeHigh Energy Physics - PhenomenologyDistribution functionHigh Energy Physics - Phenomenology (hep-ph)0103 physical sciencesAtomic number010306 general physicsNuclear ExperimentScaling

description

Atomic number ($A$) and energy ($\roots$) scaling exponents of multiplicity and transverse energy in heavy ion collisions are analytically derived in the perturbative QCD + saturation model. The exponents depend on the small-$x$ behaviour of gluon distribution functions at an $x$-dependent scale. The relation between initial state and final state saturation is also discussed.

yearjournalcountryeditionlanguage
2001-06-28
10.1016/s0375-9474(01)01308-2http://arxiv.org/abs/hep-ph/0106330