Transverse momentum dependence of dileptons from parton matter produced in ultrarelativistic heavy-ion collisions
Journal Article
·
· Physical Review, C (Nuclear Physics); (United States)
- Research Center Rossendorf, Institute for Nuclear and Hadron Physics, PF 51 01 19, 01314 Dresden (Germany) Institute of Theoretical Physics (KAI e.V.), Technical University, Dresden (Germany) Institute of Theoretical Physics, Kiev (Ukraine)
The [ital M][sub [perpendicular]] scaling property of the dilepton spectrum from early parton matter in ultrarelativistic heavy collisions is analyzed for various mechanisms of initial parton production. If there is no essentially additional scale in the parton distribution, we find even for strong off-equilibrium parton matter approximate scaling, while such scales as low-momentum cutoff or parton masses cause strong scaling violations.
- OSTI ID:
- 5009443
- Journal Information:
- Physical Review, C (Nuclear Physics); (United States), Vol. 49:5; ISSN 0556-2813
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
HEAVY ION REACTIONS
LEPTONS
QUARK MATTER
TRANSVERSE MOMENTUM
PARTON MODEL
RELATIVISTIC RANGE
SCALING LAWS
CHARGED-PARTICLE REACTIONS
COMPOSITE MODELS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
MATTER
NUCLEAR REACTIONS
PARTICLE MODELS
663300* - Nuclear Reactions & Scattering
General- (1992-)
663450 - Heavy-Ion-Induced Reactions & Scattering- (1992-)
662230 - Quantum Chromodynamics- (1992-)
72 PHYSICS OF ELEMENTARY PARTICLES AND FIELDS
HEAVY ION REACTIONS
LEPTONS
QUARK MATTER
TRANSVERSE MOMENTUM
PARTON MODEL
RELATIVISTIC RANGE
SCALING LAWS
CHARGED-PARTICLE REACTIONS
COMPOSITE MODELS
ELEMENTARY PARTICLES
ENERGY RANGE
FERMIONS
LINEAR MOMENTUM
MATHEMATICAL MODELS
MATTER
NUCLEAR REACTIONS
PARTICLE MODELS
663300* - Nuclear Reactions & Scattering
General- (1992-)
663450 - Heavy-Ion-Induced Reactions & Scattering- (1992-)
662230 - Quantum Chromodynamics- (1992-)